350-601 Questions and Answers

 In an FCoE environment, the PAUSE mechanism is used to provide lossless behavior for Fibre Channel traffic over Ethernet. The PAUSE mechanism allows a receiver to send a PAUSE frame to a sender when its ingress buffer is full or close to full, instructing the sender to stop transmitting for a specified period of time. This prevents packet loss due to buffer overflow at the receiver. However, the PAUSE mechanism also introduces latency and jitter, which can affect the performance of FCoE applications. Therefore, the receiver must provision sufficient ingress buffer to accommodate the following two sets of data12:

• Frames that were processed and transmitted by the transmitter before the PAUSE frame left the sender. These frames are already on the wire and cannot be stopped by the PAUSE frame. They will arrive at the receiver and consume ingress buffer space.
• Frames that were sent on the link but not yet received. These frames are also on the wire and will arrive at the receiver after the PAUSE frame. They will also consume ingress buffer space.

The amount of ingress buffer required depends on the link speed, the link distance, and the PAUSE duration. The receiver must ensure that the ingress buffer can hold at least twice the link distance worth of data, plus some margin for safety3. For example, if the link speed is 10 Gbps, the link distance is 10 km, and the PAUSE duration is 100 microseconds, the receiver must have at least 25 MB of ingress buffer for each FCoE virtual lane4.

References := 1: Nexus 7000 F2/F2e Ingress Buffer modifications for FCoE MultiHop over long distance - Cisco 2: Cisco Nexus 7000 Series FCoE Configuration Guide 3: In an FCoE environment, for which two sets of data must an interface that implements the PAUSE mechanism always provision sufficient ingress buffer? (Choose two) 4: Fibre Channel over Ethernet (FCoE) - Cisco

 Network-attached storage (NAS) provides the virtualization feature of a VM cluster shared disk. This allows multiple virtual machines to access shared storage, enabling functionalities like migration, fault tolerance, and distributed resource scheduling.

References: VMware documentation on networked storage technologies explains how NAS supports shared datastores that can be accessed by multiple hosts concurrently, which is essential for VM cluster shared disks

A script that uses the management VRF to ping multiple hosts and exits after execution would typically involve a loop or iteration over the host IPs, a ping command specifying the management VRF, and an exit command.

In the ERSPAN configuration provided, Host B is connected to Switch A and is configured as the source of the ERSPAN spanned traffic. This is indicated by the configuration on Switch A, which includes the command monitor session 48 type erspan-source, specifying that it is sending ERSPAN traffic to a destination. The destination IP address for this traffic is set to 10.11.11.2, which corresponds to Host A’s interface VLAN12 IP address. Therefore, Host A, connected to Switch B, is the traffic analyzer, receiving the spanned traffic from Host B.

References := The explanation is based on the standard ERSPAN configuration practices where the source switch is configured with a session type of ‘erspan-source’ and the destination switch with ‘erspan-destination’. This information is typically covered in Cisco’s documentation on ERSPAN configurations and the Cisco Data Center Core Technologies (DCCOR) course materials.

A logical configuration backup of a Cisco UCS Manager database is a file that contains all of the configurations that are stored in the Cisco UCS Manager database, such as policies, pools, service profiles, templates, and firmware versions. The file has an extension .tgz and can be created and restored using the Cisco UCS Manager GUI or CLI. A logical configuration backup also contains the configuration organizations and locales, which are logical entities that group and isolate resources within a Cisco UCS domain. Organizations and locales can be used to delegate administrative tasks and privileges to different users or groups. The other options (AAA and RBAC configurations, VLAN and VSAN configurations) are not part of a logical configuration backup, but rather a full state backup, which is a different type of backup that includes the operational state and statistics of the Cisco UCS domain. References: For more information on how to create and restore a logical configuration backup of a Cisco UCS Manager database, please refer to the following resources:

• Cisco UCS Manager Backup and Restore Management Guide
• Cisco UCS Manager Configuration Common Practices and Quick Start Guide

In an OSPF Not-So-Stubby Area (NSSA), external routes can be introduced into the area by an NSSA Autonomous System Boundary Router (ASBR) as type 7 LSAs. These LSAs are unique to NSSA areas and allow for the injection of external routes in a limited fashion. An NSSA Area Border Router (ABR) then translates these type 7 LSAs into type 5 LSAs, which are propagated throughout the OSPF domain. References := Configure the OSPF Not-So-Stubby Area (NSSA) - Cisco

Option A is the correct command sequence to configure HTTPS secure management for Cisco UCS Manager using a key ring named kr2016 and a key size of 1024 bits. The other options have incorrect commands or syntax errors. For example, option B uses the wrong command to set the modulus size, option C uses the wrong command to create the key ring, and option D uses the wrong command to name the key ring. References:

• [Cisco UCS Manager CLI Configuration Guide, Release 4.0 - Configuring Security [Cisco UCS Manager]], Configuring Security, Configuring Key Rings
• [Cisco UCS Manager CLI Configuration Guide, Release 4.0 - Configuring Security [Cisco UCS Manager]], Configuring Security, Configuring HTTPS Secure Management
• [Cisco UCS Manager CLI Configuration Guide, Release 4.0 - Configuring Security [Cisco UCS Manager]], Configuring Security, Configuring the Modulus Size for the Key Ring

The last packet indicates a DHCP Release message, which is sent by the client to the DHCP server to release the assigned IP address. This is typically done when the client no longer requires the IP address, or before the client shuts down to ensure the IP address can be reassigned. The packet capture showing a DHCP Release message confirms that the client is informing the DHCP server that it is releasing its current IP address.

References := For further understanding of DHCP operations and troubleshooting connectivity issues, the Cisco Data Center Core Technologies source book provides detailed explanations. Additionally, Cisco’s official documentation and resources on their website offer extensive guidance on managing and troubleshooting DHCP in Cisco environments. These materials are essential for network engineers working with Cisco Nexus series switches and dealing with DHCP-related issues.

Option C and Option D are correct because they configure the SPAN session to monitor the source interface ethernet 1/16 and send the traffic to the destination interface ethernet 1/3. These options also include the use of the type SPAN-on-DROP command, which ensures that only dropped packets are sent to the analyzer, thus conserving disk space.

https://www.cisco.com/c/en/us/products/collateral/switches/nexus-5000-series-switches/white -paper-c11-733022.html

 The correct configuration for a unified I/O link that supports both LAN and SAN traffic using a single Ethernet transport is to configure the interface as a trunk port. This allows multiple VLANs (for LAN traffic) and VSANs (for SAN traffic) to coexist on the same physical link. The auto qos trust dscp command ensures that the Quality of Service (QoS) markings are preserved, which is essential for maintaining traffic prioritization across the network.

References: For more detailed information, please refer to the Cisco Data Center Core Technologies study materials and official documentation available on the Cisco website. These resources provide comprehensive guidance on configuring and managing Cisco Nexus and MDS switches in a data center environment.

To configure a SPAN session on a Cisco Nexus 5600 Series Switch that monitors ingress traffic on interface Ethernet 1/3 without impacting the traffic analyzer on Ethernet 1/5, you would typically use the monitor session command to create a new session, specify the source interface with the source keyword, and the destination interface with the destination keyword. Additionally, you would apply a rate limit to the session to adhere to the traffic budget of 1 Gbps.

https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5600/sw/system_management/7x/

b_5600_System_Mgmt_Config_7x/configuring_span.html

Graphical user interface, application Description automatically generated

 In a vPC (Virtual Port Channel) environment, broadcast packets received on the vPC peer link are not forwarded out on the vPC member ports. This behavior is due to the vPC loop avoidance rule, which prevents traffic received on a vPC peer link from being sent back out of the vPC member ports. Therefore, the Agg-1 switch will prevent broadcast packets that arrive on the vPC peer link from exiting the switch on ports Eth2/4 and Eth2/5.

References: For more detailed information, you can refer to the Implementing and Operating Cisco Data Center Core Technologies (DCCOR) course, which covers the essentials of vPC operations and the loop avoidance mechanism

Upgrading the EPLD on a Cisco Nexus switch is a disruptive process that requires the switch to reboot multiple times. Each EPLD device on the switch must be upgraded individually, and the switch must reboot to initialize the new EPLD version for each device. This process ensures that all hardware components are properly updated and can operate with the new firmware, but it does cause temporary disruptions to network traffic as each module reboots.

References: For more detailed information, please refer to the Cisco Nexus 9000 Series FPGA/EPLD Upgrade Release Notes, where it discusses the impact of EPLD upgrades and the necessity of multiple reboots during the process1. Additionally, the Cisco Nexus 9000 Series NX-OS Software Upgrade and Downgrade Guide provides guidelines on the upgrade process, including the disruptive nature of EPLD upgrades

The Firmware Auto Sync Server policy in Cisco UCS Manager allows administrators to set when and how firmware versions on recently discovered servers should be upgraded. The policy options include ‘User Acknowledge’, which requires an administrator’s acknowledgment to initiate the firmware upgrade, and ‘No Action’, which means no firmware upgrade will be initiated on the server. These settings ensure that firmware upgrades are controlled and do not occur without the necessary administrative oversight.

References: Using Firmware Automatic Synchronization Server Policy

After creating a CA-signed keyring for HTTPS access in Cisco UCS Manager, the next step is to create a trusted point. This action associates the keyring with a certificate and designates the certification authority (CA) that will be recognized as valid for the system

The correct command to configure the source IP address on switch1 for mirroring traffic to a packet sniffer located on switch2 is option B, “monitor erspan origin ip-address 209.165.200.225”. This command sets the origin IP address for the Encapsulated Remote SPAN (ERSPAN) session, which allows traffic from a source port on one switch to be monitored on a destination port on another switch across an IP network.

References:

• Cisco Nexus 9000 Series NX-OS System Management Configuration Guide
• Cisco Data Center Core Technologies (DCCOR) study materials

By default, Cisco UCS Manager excludes local disks from a host firmware package to avoid data loss or corruption during firmware upgrades. The host firmware package contains firmware for other components like network interface controllers, storage controllers, etc., but excludes local disks as they might contain sensitive data.

• Create a user defined role and add the required privileges.
• Assign a role to a user. Comprehensive and Detailed Explanation: = To meet the requirements of adding a new FCoE VLAN to the core switches with restricted read-write access, the network engineer must create a user defined role and assign it to a user. A user defined role is a custom role that can be created to grant specific privileges and permissions to a user, based on the tasks and functions they need to perform. A user defined role can be created using the role command, and then the required privileges can be added using the rule command. For example, to create a role named FCoE-admin and add the privilege to configure FCoE VLANs, the following commands can be used:

role FCoE-admin rule 1 permit read-write feature fcoe rule 2 permit read-write feature vlan

After creating the user defined role, it can be assigned to a user using the username command. For example, to assign the FCoE-admin role to a user named John, the following command can be used:

username John role FCoE-admin

By creating and assigning a user defined role, the network engineer can ensure that the user has the minimum required privileges to perform the FCoE VLAN configuration, without granting them full network-admin access or modifying the existing roles. References :=

• Implementing and Operating Cisco Data Center Core Technologies (DCCOR) v1.2, Module 3: Data Center LAN Network Connectivity, Lesson 3.5: Cisco Nexus 7000 Series Switches
• Cisco Nexus 7000 Series NX-OS Security Configuration Guide, Release 6.x, Chapter: Configuring User Accounts and RBAC, Section: Configuring User-Defined Roles

 The commands under option A enable analytics for NVMe on interfaces in the range of fc1/1-12 with port-sampling module 4 size 12 interval 60 analytics nvme. This meets the requirement of collecting data at regular intervals of 60 seconds from ports fc1/1-12. References:

• Cisco MDS 9000 Series NX-OS Interfaces Configuration Guide, Release 8.x - Configuring SAN Analytics and Telemetry Streaming [Cisco MDS 9000 NX-OS and SAN-OS Software], Configuring SAN Analytics and Telemetry Streaming, Configuring SAN Analytics
• Cisco MDS 9000 Series NX-OS Interfaces Configuration Guide, Release 8.x - Configuring SAN Analytics and Telemetry Streaming [Cisco MDS 9000 NX-OS and SAN-OS Software], Configuring SAN Analytics and Telemetry Streaming, Configuring Port Sampling

To meet the requirements of building a lab replica of a Cisco UCS production environment, the file must be exported in XML format using an encrypted method. Option B, Protocol SCP (Secure Copy Protocol), is used for securely transferring computer files between a local and a remote host or between two remote hosts. Option C, Type Full state, ensures that the complete configuration and state are included in the exported file. References:

• Cisco UCS Manager GUI Configuration Guide, Release 4.0 - Backing Up and Restoring the System Configuration [Cisco UCS Manager], Backing Up and Restoring the System Configuration, Exporting the System Configuration
• Cisco UCS Manager CLI Configuration Guide, Release 4.0 - Backing Up and Restoring the System Configuration [Cisco UCS Manager], Backing Up and Restoring the System Configuration, Exporting the System Configuration

 To make a capture task persistent after a reboot, the command sequence in Option C should be used. This typically involves enabling the service to start at boot time using systemctl enable and then starting the service with systemctl start. This ensures that the capture task will automatically resume after the system is rebooted4

Ansible is known for its agentless architecture, which means it does not require a software agent to be installed on the target nodes it manages. This contrasts with tools like Puppet and Chef, which typically require an agent to be installed on each node. Ansible uses SSH or WinRM to communicate with the nodes, making it simpler and more secure as it reduces the attack surface and the overhead of managing agents.

References: Comparison of DevOps tools including Ansible, Puppet, and Chef, as well as Ansible’s official documentation.

 To provision a new uplink and increase the available bandwidth for the NPV enabled switch, the commands in Option A should be used. These commands will configure the additional uplink to the NPIV switch, thus addressing the bandwidth contention issues experienced by the servers.

 A Cisco All-Flash HyperFlex solution requires two solid state drives (SSDs) for the local storage configuration of the operating system and persistent logging. The SSDs are used to store the hypervisor, the HyperFlex controller VM, and the system logs. The SSDs also provide high performance and reliability for the system operations. The SSDs are configured in a RAID 1 mirror mode, which provides redundancy and fault tolerance. The SSDs are separate from the data storage drives, which are also SSDs in an All-Flash HyperFlex solution. References :=

• Implementing and Operating Cisco Data Center Core Technologies (DCCOR) v1.2, Module 4: Cisco HyperFlex, Lesson 4.1: Cisco HyperFlex Overview
• Cisco HyperFlex Systems Installation Guide for Cisco Intersight, Chapter: Cisco HyperFlex System Requirements

The attribute that must be selected to implement microsegmentation of endpoints within the same IP subnet using a network-based attribute that allows IP subnet independence is the Tag attribute. The Tag attribute is a user-defined attribute that can be assigned to endpoints based on any criteria, such as location, function, or security level. The Tag attribute can be used to create microsegmentation policies in ACI, which define the rules for communication between endpoints within the same or different bridge domains. The Tag attribute enables IP subnet independence, which means that the microsegmentation policies are not tied to the IP subnet of the endpoints, and can be applied across different subnets or even different fabrics. The Tag attribute also simplifies the management and scalability of microsegmentation policies, as it does not require the use of IP addresses or MAC addresses to identify endpoints. References :=

• Implementing and Operating Cisco Data Center Core Technologies (DCCOR) v1.2, Module 6: Data Center Network Connectivity Design, Lesson 6.2: Cisco ACI Overview and Concepts
• Cisco Application Centric Infrastructure Fundamentals, Chapter: Endpoint Groups and Microsegmentation, Section: Microsegmentation Using Tags

The correct option to associate a UCS B-Series server with a specific service profile when it becomes available is B. server. In Cisco UCS Manager, associating a service profile with a server can be done directly by selecting the server from the list of available hardware. This direct association ensures that when the server becomes available, it will be associated with the specified service profile, which contains the settings and policies for the server’s operation within the UCS environment.

References: Implementing and Operating Cisco Data Center Core Technologies (DCCOR) course

 A nondisruptive upgrade is possible only when there are no changes to the configuration settings or network connections during the upgrade process. Any such changes can lead to a disruption, which is particularly critical in a dual supervisor Cisco Nexus 7000 series switch where stability is paramount.

References := For an in-depth understanding, refer to the Cisco Data Center Core Technologies study materials, specifically the sections discussing software upgrades and maintenance for Cisco Nexus switches

 In the context of configuring an FCoE connection between a Cisco UCS and a Cisco Nexus 9000 Series Switch, changing the transport type to FCoE in the Cisco UCS Manager is essential. This action ensures that the data traffic is encapsulated using FCoE, enabling seamless communication over Ethernet networks while maintaining Fibre Channel protocol characteristics.

References := For more detailed information, you can refer to the Cisco Nexus 5000 Series NX-OS Fibre Channel over Ethernet Configuration Guide1, which provides comprehensive guidelines on configuring FCoE, including the importance of changing the transport type to support FCoE deployment.

Cisco UCS Manager supports various types of authentication mechanisms for enhanced security. Option A (local) refers to the use of locally stored user credentials within the UCS Manager for authentication. Option B (LDAP) indicates that UCS Manager can integrate with LDAP (Lightweight Directory Access Protocol) directories for user authentication, allowing centralized management of user credentials. References: Cisco Data Center Core Technologies source documents or study guide

 Microsegmentation is a feature of ACI that allows granular control of traffic between endpoints based on vCenter VM attributes, such as name, guest OS, or network adapter type. Microsegmentation works by creating a micro-EPG for each VM and applying contracts and policies to the micro-EPGs. When microsegmentation is enabled, ACI performs distributed switching and routing on the ESXi hosts using the Cisco Application Virtual Switch (AVS) or the Cisco Application Virtual Edge (AVE). This allows ACI to enforce policies at the hypervisor level, without requiring any changes to the physical network or the VM configuration. References :=

• Implementing and Operating Cisco Data Center Core Technologies (DCCOR) v1.2, Module 6: Cisco ACI, Lesson 6.3: Cisco ACI Integration
• Cisco ACI Virtualization Guide, Release 4.2(x), Chapter: Configuring Microsegmentation

 The command run guestshell is used to access the Guest Shell on Cisco NX-OS devices. Guest Shell is a secure, Linux-based environment that runs as a virtualized application container on the device. It allows network administrators to use Linux utilities and scripts, enhancing automation and monitoring capabilities. In this scenario, using run guestshell would enable the engineer to utilize the tcpdump utility within the container to capture OSPF-related traffic on the switch port1.

References := For more information on using Guest Shell for traffic capture and other advanced features on Cisco NX-OS devices, you can refer to the Cisco documentation on Embedded Packet Capture (EPC) and Guest Shell configuration1

To complete the PowerOn Auto Provisioning (POAP) operation on a Cisco Nexus 9000 Series Switch, the script must include the necessary network information such as the interface IP address, gateway, and DNS server IP addresses. Option C likely contains this information, which is essential for the switch to locate a DHCP server, bootstrap itself, and download the configuration script for software image installation and configuration

The correct command set for configuring AAA to use CHAP with MD5 hashing and to share the RADIUS configuration across MDS switches involves using the aaa authentication login command with the radius keyword and enabling CHAP. The radius distribute command is used to share the RADIUS configuration automatically with other MDS switches in the environment.

References:

• Cisco MDS 9000 Series Security Configuration Guide1
• Configuring FC-SP and DHCHAP2

Please note that the actual commands may vary based on the specific requirements and the version of the Cisco NX-OS software running on your switch. It’s always best to consult the latest Cisco documentation or a certified Cisco technical expert for the most accurate information.

 A logical configuration backup is needed to back up user roles and locales from Cisco UCS Manager. This type of backup allows the engineer to replicate settings, including user roles and locales, to a different fabric interconnect. The file can be reviewed before importing it to the target fabric interconnect. References:

• [Cisco UCS Manager Backup and Restore Management Guide, Release 4.0 - Backup and Restore Overview [Cisco UCS Manager]], Backup and Restore Overview, Backup Types
• [Cisco UCS Manager Backup and Restore Management Guide, Release 4.0 - Backup and Restore Overview [Cisco UCS Manager]], Backup and Restore Overview, Logical Configuration Backup

The command set in option A is the correct one for configuring a Fibre Channel interface on the Cisco MDS 9000 Series Switch to meet the specified requirements. The “no switchport bit-errors” command ensures that the interface is disabled when the bit errors threshold is exceeded. The “switchport fcrxbbcredit 220 mode Fx” command sets buffer-to-buffer credits to their maximum value, ensuring optimal performance and flow control. Lastly, “no switchport rate-mode” ensures that the interface has full bandwidth allocated for its port group, maximizing data throughput and efficiency.

References:

• Cisco MDS 9000 Series Fabric Switches Configuration Guide
• Cisco Data Center Core Technologies (DCCOR) study materials

 Multipathing iSCSI traffic is a technique to provide redundancy and load balancing for iSCSI connections between a server and a storage device. Multipathing can be achieved by using multiple initiators, multiple targets, or both. However, some design choices are more optimal than others, depending on the network topology and the capabilities of the devices involved. Option C, “dual initiators to a single target with bonded interfaces,” is a recommended design choice because it provides the following benefits:

• It allows the server to use two separate network interface cards (NICs) to connect to the same iSCSI target, which increases the bandwidth and availability of the connection.
• It enables the use of link aggregation or bonding on the target side, which combines multiple physical interfaces into a logical interface that can handle more traffic and tolerate link failures.
• It simplifies the configuration and management of the iSCSI sessions, as there is only one target to deal with, and the multipathing software can handle the path selection and failover.

References := The information is based on the Cisco Data Center Core Technologies (DCCOR) course, which covers the implementation of data center technologies including network, compute, storage network, automation, and security. More details can be found in the course material and official Cisco documentation on iSCSI multipathing

 In Cisco Unified Computing System (UCS), a service profile’s UUID (Universally Unique Identifier) can be allocated from a UUID pool. This pool is predefined within UCS Manager and allows for consistent identity assignment across different hardware, enabling stateless computing. The UUIDs are not based on the hardware, not vendor assigned, and although they are unique, they are not system generated in this context; they are drawn from a pool created specifically for service profiles to ensure uniqueness and manageability within the UCS environment.

References: The concept of UUID pools and their use in service profiles is detailed in the Cisco Data Center Core Technologies documentation, particularly in sections discussing service profile creation and management within the UCS Manager. For a deeper understanding, the Cisco UCS Manager GUI Configuration Guide provides step-by-step instructions on how to create and assign UUID pools for service profiles.

The following example modifies an overridden policy by changing the number of FCNS database entries to

1500. It also generates both the configured and the default syslog messages of the default system policy

event manager applet fcns_policy override __fcns_entries_max_per_switch

event fcns entries max-per-switch 1500 action 1.0 syslog priority warnings msg FCNS DB entries have reached the EEM limit.

 In the context of Bash scripting for system automation, the killproc command is often used to stop a process. The correct option to complete the script for a Chef Client reload would involve sending a HUP (hang-up) signal to the Chef Client process, which is typically done to cause the process to reload its configuration without stopping the service. The command killproc -p $pidfile $exec --HUP would send the HUP signal to the process identified by the pidfile, which is the expected behavior for a Chef Client reload on a system reset.

References := For a detailed explanation and official documentation, the Cisco Data Center Core Technologies source book or study guide should be consulted, as well as the official Chef documentation which provides information on system and service management commands.

 To configure an application profile using REST API, the engineer needs to first authenticate with the APIC using the POST method to the aaaLogin URI. This will return a token that can be used for subsequent requests. The error message indicates that the token is missing or expired, so the engineer needs to perform the POST to aaaLogin method again before configuring the application profile. References := [Cisco APIC REST API Configuration Guide]

 The file is queued for upload when connectivity is restored

 The System Configuration backup type in Cisco UCS Manager is specifically designed to back up system settings such as user names, roles, and locales. This XML file does not include the actual data on the servers but captures all the system configuration settings, which can be imported to the original fabric interconnect or to a different one. However, it cannot be used for a system restore.

References: Cisco UCS Manager Administration Management Guide

 The configuration in Cisco UCS Manager needs to specify the source of the traffic for the SPAN session. Since the requirement is to monitor the traffic from VSAN 11, selecting VSAN 11 as the source will direct the traffic to the monitoring session. This is consistent with the SPAN session’s purpose, which is to create a copy of the traffic for analysis or monitoring.

References := For more information on configuring SPAN sessions in Cisco UCS Manager, you can refer to the Cisco Data Center Core Technologies study materials and official documentation, which provide guidelines on setting up traffic monitoring solutions within a Cisco data center environment. These resources will offer detailed instructions and best practices for implementing SPAN sessions to monitor VSAN traffic.

https://community.cisco.com/t5/networking-documents/peer-g ateway-feature-on-the-nexus-7000/ta-p/3113290

For traffic monitoring with fabric failover enabled, it’s important to ensure that traffic can still be analyzed even if one of the fabric interconnects fails. By creating two separate traffic monitoring sessions, each with a unique name and connected to an analyzer on each fabric interconnect, you can maintain continuous monitoring. This setup ensures that traffic is sent to the analyzer regardless of the state of either fabric interconnect.

References: For more detailed information, please refer to the official Cisco documentation on their website or the specific study materials for the Cisco Data Center Core Technologies certification.

To establish a VSAN trunk between Switch 1 and Switch 2, you would typically configure E Port with Trunk Mode On. This is because Switch 1 is already configured with an E port in Trunk Mode Auto, and for trunking to be established, the other switch should also be set to trunk mode but with a static configuration (On) to ensure compatibility and trunk formation.

 When configuring an Intersight virtual application and claiming targets, the information required in the comma-separated value (CSV) file for provisioning includes the target type, hostname or IP address, user name, and password. This set of information is necessary to uniquely identify and authenticate each target for the claim process.

References := The requirements for the CSV file format for claiming targets in Cisco Intersight can be found in the official Cisco documentation on the Intersight Virtual Appliance and Intersight Assist Getting Started Guide

 An EPLD (Electronic Programmable Logic Device) upgrade on a Cisco Nexus 9000 Series Switch is used to upgrade the field-programmable gate arrays (FPGAs). FPGAs are integrated circuits that can be configured by a customer or a designer after manufacturing – hence “field-programmable”. They are used in Cisco switches to provide hardware functionalities in all modules, and EPLD image upgrades enhance hardware functionality or resolve known issues1.

References:

• Cisco Nexus 9000 Series FPGA/EPLD Upgrade Release Notes

 For a Cisco UCS C-Series Rack Server with PCIe cards, the fan configuration policy should be set to accommodate the additional cooling requirements of these cards. Option C, which sets the fan policy to ‘balanced’, would provide a middle ground between performance and energy efficiency, suitable for a server with additional components such as PCIe cards. This ensures adequate cooling while maintaining energy efficiency.

Option C and E are the correct commands to verify the configuration and apply the device changes when no errors are returned using Session Manager. The verify command checks the syntax and validity of the configuration commands, and the apply command applies the configuration changes to the device. The other options are either not related to Session Manager or not required for the task. References:

• Cisco Nexus 9000 Series NX-OS System Management Configuration Guide, Release 9.3(x) - Configuring Session Manager [Cisco Nexus 9000 Series Switches], Configuring Session Manager, Using Session Manager
• Cisco Nexus 9000 Series NX-OS System Management Configuration Guide, Release 9.3(x) - Configuring Session Manager [Cisco Nexus 9000 Series Switches], Configuring Session Manager, Session Manager Commands

 Including EPG-2, EPG-3, and EPG-4 in the preferred group allows these EPGs to communicate with each other without requiring any contracts. This is because the preferred group feature in Cisco ACI allows EPGs within the same VRF to communicate by default. However, since the secure server in EPG-1 must provide services to EPG-2, a contract is required between EPG-1 and EPG-2 to facilitate this communication while maintaining the security and policies necessary for the server.

References := For more detailed information on configuring EPGs and contracts in Cisco ACI, you can refer to the Cisco Data Center Core Technologies (DCCOR) study materials and official Cisco documentation. These resources provide comprehensive guidance on the implementation and management of EPGs, contracts, and preferred groups within a Cisco ACI environment.

Option B is the correct answer because it meets both requirements stated in the question. The configuration permits SSH connectivity from a jump host with an IP address of 10.10.10.10/24 and allows all switches to connect via SSH to other devices from the subnet of 10.20.20.0/24.

In this option, the access list acl-1 is configured to permit TCP traffic from host 10.10.10.10/32 (the jump host) on any port, and access list acl-2 is configured to permit TCP traffic from subnet 10.20.20.0/24 on any port.

The ‘line vty’ configuration applies these access lists for inbound (in) and outbound (out) SSH sessions respectively, ensuring that only the specified source IP addresses are allowed for remote SSH management connectivity1.

References: = For more detailed information, you can refer to the Cisco Nexus 9000 Series NX-OS Security Configuration Guide

 Cisco Fabric Services (CFS) offers a logical scope distribution mode that allows configurations to be distributed within the scope of a VSAN. This mode is suitable for features like NTP, where the configuration database is applicable only within a VSAN. It ensures that changes are contained within the specific VSAN, preventing any impact on other VSANs in the network.

References:

• Cisco’s official documentation on Configuring and Managing VSANs1 provides a detailed explanation of VSANs, their advantages, and how they can be managed using CFS.
• The Cisco Fabric Services guide2 further elaborates on the features of CFS, including the logical scope distribution mode and its relevance to features like NTP.
• Community discussions on NTP configuration3 can also provide practical insights into the application of these settings in real-world scenarios.

 Option D is the correct configuration set for initializing VXLAN Tunnel End-Point functionality on a Cisco Nexus 9000 Series platform. This option includes the necessary commands to configure the loopback interface, which is used as the source for the VXLAN Network Virtual Endpoint (NVE) interface, and the NVE interface itself, which is essential for VXLAN operation.

References := For a detailed guide on VXLAN configuration on the Cisco Nexus 9000 Series, you can refer to the Cisco Nexus 9000 Series NX-OS VXLAN Configuration Guide, which provides step-by-step instructions and best practices.

 To block traffic between a subset of endpoints in an EPG based on specific VM attributes and the rest of the VMs in that EPG, the correct set of actions would involve setting “Allow Microsegmentation” under the EPG VMM Domain Association to “True” and setting “Intra-EPG Isolation” to “Enforced” for both the EPG and the uSeg EPG. This configuration ensures that microsegmentation is allowed and that intra-EPG isolation is enforced, effectively blocking the specified traffic.

References:

• The Implementing and Operating Cisco Data Center Core Technologies (DCCOR) course provides insights into the implementation of data center technologies, including network, compute, storage network, automation, and security1.
• The Cisco Community articles on VMM Integration & Troubleshooting and ACI VMM integration provide practical guidance and troubleshooting tips for integrating VMM domains with Cisco ACI23.
• For detailed procedures and additional information, the configuration guides and training materials available on Cisco’s official website are valuable resources

 The command set in Option C correctly outlines the steps to configure a named VSAN called “VSAN10” with the specified requirements. It includes creating the VSAN with ID 10, assigning an FCoE ID of 20, and attaching it to port 2 in slot 1.

References := Detailed commands and configurations for VSANs can be found in the Cisco Data Center Core Technologies documentation, particularly in the sections that cover Fibre Channel switch mode and VSAN configuration

The new employee needs to add VLANs into an existing Cisco UCS Manager and configure NTP synchronization with date and time zone settings. Option B, Ext LAN Config (ext-lan-security), grants privileges to configure external LAN connectivity settings including VLANs. Option D, Service Profile Config (Is-config), allows for configuring service profiles including NTP synchronization settings. References:

• Cisco UCS Manager GUI Configuration Guide, Release 4.0 - Configuring User Accounts and Organizations [Cisco UCS Manager], Configuring User Accounts and Organizations, Configuring Roles
• Cisco UCS Manager CLI Configuration Guide, Release 4.0 - Configuring User Accounts and Organizations [Cisco UCS Manager], Configuring User Accounts and Organizations, Configuring Roles

To create an environment variable that can be used by several policies in the Embedded Event Manager, the engineer should use the command N9k2 (config)# event manager environment mailserver ‘’10.10.10.10’’. This command defines a global environment variable named mailserver with the value of 10.10.10.10, which represents the external email server. The environment variable can then be referenced by any policy that needs to use the email server in its actions, such as sending notifications or alerts. The environment variable can also be modified or deleted as needed. The other commands are incorrect because they either use the wrong mode, the wrong keyword, or the wrong syntax. References :=

• Implementing and Operating Cisco Data Center Core Technologies (DCCOR) v1.2, Module 3: Data Center LAN Network Connectivity, Lesson 3.4: Cisco Nexus 9000 Series Switches
• Cisco Nexus 9000 Series NX-OS System Management Configuration Guide, Release 9.3(x), Chapter: Configuring Embedded Event Manager

 to configure FCoE between the N9K-A switch and the FCF-A Nexus 9000 core switch with the given characteristics, the correct configuration would be the one that enables FCoE NPV mode, binds the interface to a port-channel, and allows only VSAN 20 on the trunk. Based on the provided CLI configurations, the correct answer would be Option D as it configures the switch in NPV mode and allows only VSAN 20

To deploy a Cisco UCS C-Series Server with a single VIC 1455 integrated into a Cisco UCS Manager cluster without fabric extenders, the system should be reset to factory default settings using Cisco IMC. After the reset, VIC ports 1 and 3 should be attached to the Fabric Interconnects. This process ensures that the server is recognized by the UCS Manager and can be managed accordingly. The VIC 1455 supports multiple Ethernet and Fiber Channel over Ethernet speeds, making it suitable for direct connection to Fabric Interconnects1.

References :=

• Cisco UCS VIC 1400 Series Best Practices in Ethernet Fabric White Paper1.
• Cisco UCS C-Series Server Integration with Cisco UCS Manager 4.0 documentation2

 Option D is the correct statement about the Deployment Immediacy for VMM domains associated to EPGs when the APIC EPG Resolution Immediacy is set to “Immediate”. This means that the policy is pushed to the hardware as soon as the leaf switch is booted, regardless of whether there are any VMs in the EPG or not. This ensures that the policy is ready to be enforced as soon as a VM is created or moved into the EPG. References:

• Cisco APIC Basic Configuration Guide, Release 4.2(x) - Configuring VMM Domains [Cisco Application Policy Infrastructure Controller (APIC)], Configuring VMM Domains, Configuring the Deployment Immediacy for VMM Domains
• Cisco APIC Basic Configuration Guide, Release 4.2(x) - Configuring VMM Domains [Cisco Application Policy Infrastructure Controller (APIC)], Configuring VMM Domains, Configuring the Resolution Immediacy for EPGs

 Cisco UCS Director is the appropriate solution for orchestrating the configuration of storage arrays, firewalls, and Cisco ACI networking. It supports open automation through various APIs and offers a service catalog that allows users to manage and deploy services across multiple domains, including compute, storage, networking, and virtualization.

References: The Implementing and Operating Cisco Data Center Core Technologies (DCCOR) course provides insights into the capabilities of Cisco UCS Director, including its orchestration and automation features

On Nexus switches, the equivalent command to save the configuration to NVRAM is ‘copy running-config startup-config’. The ‘write memory’ command is specific to Catalyst switches and is not used on Nexus switches.

 Embedded Event Manager (EEM) is a powerful tool used in Cisco devices, including MDS switches, to automate tasks and create custom scripts that react to network events. For an administrator needing to configure an automated policy to shut down a link when a threshold is exceeded, EEM is the appropriate feature to use. It allows the creation of event-driven automation scripts that can be triggered when certain conditions are met, such as a link exceeding a specified threshold.

References: Cisco Data Center Core Technologies (DCCOR) training materials and Cisco’s official documentation on EEM.

 The configuration that applies the changes for module 1 only, setting the Generic Online Diagnostics policy for a PortLoopback test to error disable the port after 5 consecutive failures, would be Option C based on the provided options.

https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus7000/sw/system-management/guide/

b_Cisco_Nexus_7000_Series_NX-OS_System_Management_Configuration_Guide-RI/

configuring_online_diagnostics.html

https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus9000/sw/93x/system-management/bcisco-

nexus-9000-series-nx-os-system-management-configuration-guide-93x/b-cisco-nexus-9000-seriesnx-

os-system-management-configuration-guide-93x_chapter_011010.html

https://www.ciscolive.com/c/dam/r/ciscolive/us/ docs/2017/pdf/BRKDCN-3234.pdf

The MAC address that is an HSRP version 2 address is 0000.0C9F.F0C8. HSRP (Hot Standby Router Protocol) is a protocol that provides redundancy and load balancing for IP networks by allowing multiple routers to share a virtual IP address and MAC address. HSRP version 2 supports up to 4096 groups, and uses a different MAC address format than HSRP version 1. The MAC address format for HSRP version 2 is 0000.0C9F.FXXX, where XXX is the hexadecimal value of the group number. For group 200, the hexadecimal value is C8, so the MAC address is 0000.0C9F.F0C8. References :=

• Implementing and Operating Cisco Data Center Core Technologies (DCCOR) v1.2, Module 3: Data Center LAN Network Connectivity, Lesson 3.6: Cisco Nexus 5000 Series Switches
• Cisco Nexus 5000 Series NX-OS Unicast Routing Configuration Guide, Release 5.2(1)N1(1), Chapter: Configuring HSRP, Section: HSRP Version 2

 In a vPC (Virtual Port Channel) configuration, multicast traffic is handled based on the IGMP (Internet Group Management Protocol) and PIM (Protocol Independent Multicast) configurations. When a host sends traffic to a multicast group, the vPC switches determine the forwarding path based on the multicast routing table and the RPF (Reverse Path Forwarding) check.

Option B is correct because when multicast traffic with source address 10.10.10.10 targeting group 239.1.1.1 is received on Po10 Switch1, the switch will perform an RPF check and forward the traffic out of the interfaces that lead to the Rendezvous Point (RP) and the receivers. This ensures that the multicast traffic is efficiently distributed to all receivers that are part of the multicast group. The traffic would be forwarded out on Po1, which is typically connected to the RP, and Po20, which connects to other receivers in the network.

References := For more detailed information on multicast traffic forwarding in a vPC environment, please refer to Cisco’s official documentation on Implementing Cisco Data Center Core Technologies (DCCOR), specifically the sections discussing multicast routing and vPC configurations.

The PowerShell command in option D is the correct choice for automating the removal of switches from VLANs using the Cisco UCS Manager PowerShell module. This command uses environment variables to specify the VLAN name and switch identifiers, ensuring that the VLAN persists even when it is no longer associated with the switch port. The command structure allows for the removal of the VLAN association from the switch port without deleting the VLAN itself, thus maintaining the VLAN configuration for potential future use.

References: The explanation is based on the Cisco UCS Manager PowerShell module documentation, which provides details on scripting and automation capabilities for managing Cisco UCS environments.

The Bash script is designed to loop through the available namespaces and output all registered interfaces within the Cisco NX-OS Guest Shell. The correct code snippet to complete the script is option C, ifconfig "$ns". This command will display the network configuration for each namespace, allowing the engineer to view all registered interfaces.

References: The use of ifconfig in conjunction with namespace variables is a common practice in network scripting to retrieve interface information. For more detailed information on scripting in Cisco NX-OS, you can refer to the Cisco Nexus 9000 Series NX-OS Programmability Guide.

The statement that is true about the impact of a rolling EPLD upgrade on a Cisco MDS 9000 Series Switch is that only the modules that are being upgraded are disrupted. A rolling EPLD upgrade is a type of EPLD upgrade that allows the user to upgrade one or more modules in a switch without affecting the rest of the modules. The rolling EPLD upgrade requires a module reload for each module that is being upgraded, which causes a temporary disruption of traffic and services on that module. However, the other modules in the switch continue to operate normally and do not require a reload. The other statements are not true because:

• All modules on the switch are not disrupted. As explained above, only the modules that are being upgraded are disrupted, while the other modules are unaffected by the rolling EPLD upgrade.
• An EPLD upgrade is not nondisruptive. An EPLD upgrade is a process that updates the firmware of the electrical programmable logic devices (EPLDs) that provide hardware functionalities in the switch modules. An EPLD upgrade always involves a module reload, which causes a disruption of traffic and services on that module. However, the disruption can be minimized by using the hitless or non-disruptive EPLD upgrade modes, which preserve the forwarding state and configuration of the module during the reload.
• The upgrade cannot be performed from the standby supervisor module. The EPLD upgrade process requires the supervisor module to be in active mode before it can be upgraded. The standby supervisor module must be switched to active mode manually or automatically before the upgrade can begin. References: For more information on how to perform a rolling EPLD upgrade on a Cisco MDS 9000 Series Switch, please refer to the following resources:
• Cisco MDS 9000 Series EPLD Release Notes, Release 8.4(1)
• Cisco MDS 9000 Series NX-OS System Management Configuration Guide

 In the context of Cisco Data Center Core Technologies, SPAN (Switched Port Analyzer) is used to monitor network traffic. To configure a SPAN session on a Nexus 5000 series switch, an engineer would need to use specific commands. Option A, “Configure the switchport monitor under interface fc2/2,” is correct as it involves setting up the monitoring port under a specific interface. Option D, “Configure session type fc under monitor session 1,” is also correct as it specifies the type of session being configured for monitoring.

References := The explanation can be corroborated with detailed study from Cisco’s official documentation and resources available on their website or the Cisco Data Center Core Technologies source book.

 NFSv4 uses the TCP protocol and requires only one IP port (2049) to run the service. This simplifies firewall configuration and improves security by reducing the number of open ports

The configuration shown in the exhibit indicates that FCIP (Fibre Channel over IP) is configured with ip-compression mode2 enabled on a Cisco MDS 9000 Series switch. This means compression is performed by using software (Option D), as mode2 refers to software-based compression in FCIP configurations. The other options are not correct based on the configuration. The switch does not attempt to make two TCP connections, as there is no tcp-connections command in the configuration. Compression is not performed by using hardware, as mode1 refers to hardware-based compression in FCIP configurations. Mode2 is not enabled by default, as the default mode for FCIP compression is none. References:

• Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide, Release 8.x - Configuring FCIP [Cisco MDS 9000 NX-OS and SAN-OS Software], Configuring FCIP, Configuring FCIP Compression
• Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide, Release 8.x - Configuring FCIP [Cisco MDS 9000 NX-OS and SAN-OS Software], Configuring FCIP, Configuring the Number of TCP Connections for an FCIP Interface

The command ‘aaa authentication login default fallback error local’ is used to ensure that if RADIUS servers are unreachable, the system will fall back to using the local user database for SSH access to the Cisco MDS 9000 Series Switch.

https://www.cisco.com/c/en/us/td/docs/switches/datacenter/mds9000/sw/6_2/con figuration/guides/security/nx-os/sec_cli_6-x/cradtac1.html

 To establish adjacency to the remote peer by using multicast, the engineer needs to configure the otv data-group command with a multicast address range that is unique for each site. This command specifies the multicast group that is used to send and receive OTV data traffic. To enable OTV advertisements for VLAN 100 to the other site, the engineer needs to configure the otv extend-vlan command with the VLAN number. This command specifies which VLANs are extended across the overlay network. References:

• Implementing and Operating Cisco Data Center Core Technologies (DCCOR) - Cisco, Module 3: Data Center Network Connectivity Design, Lesson 3: Implementing Cisco Overlay Transport Virtualization
• Cisco Nexus 7000 Series NX-OS OTV Configuration Guide, Release 6.x - Configuring Basic OTV [Cisco Nexus 7000 Series Switches], Configuring Basic OTV, Configuring the OTV Data Group
• Cisco Nexus 7000 Series NX-OS OTV Configuration Guide, Release 6.x - Configuring Basic OTV [Cisco Nexus 7000 Series Switches], Configuring Basic OTV, Configuring VLANs to Be Extended over the OTV Overlay Network

Cisco CloudCenter is the best product to meet the requirements of the customer who wants to offload some of its order processing to a public cloud environment. Cisco CloudCenter allows the customer to deploy and manage applications in different cloud environments, including public cloud, while ensuring cost optimization and automation. Cisco CloudCenter also integrates with Cisco ACI and Puppet to provide consistent networking and configuration management across hybrid cloud deployments. The other products are not suitable for this scenario. Cisco Intersight is a cloud-based management platform for Cisco UCS and HyperFlex systems, Cisco Workload Optimization Manager is a software solution that automates workload placement and scaling across private and public cloud environments, and Cisco Data Center Network Manager is a network management tool for Cisco Nexus and MDS switches. References:

• Cisco CloudCenter Solution Overview - Cisco, Cisco CloudCenter Solution Overview
• Cisco CloudCenter and Cisco ACI - Cisco, Cisco CloudCenter and Cisco ACI
• Cisco CloudCenter and Puppet - Cisco, Cisco CloudCenter and Puppet
• Cisco Intersight Overview - Cisco, Cisco Intersight Overview
• [Cisco Workload Optimization Manager Overview - Cisco], Cisco Workload Optimization Manager Overview
• [Cisco Data Center Network Manager Overview - Cisco], Cisco Data Center Network Manager Overview

 The correct code snippet to ensure that the Cisco NX-OS scheduler runs every day at 3:00 a.m. is “time daily 3:00”. This command configures the scheduler to execute the specified job daily at the given time, without the need for a ‘start’ keyword, which is not required in the syntax for daily repetitive tasks.

References: This explanation is based on the Cisco NX-OS documentation, which provides guidelines on how to schedule tasks using the NX-OS scheduler feature. The documentation is part of the Cisco Data Center Core Technologies study materials.

The FCoE Initialization Protocol (FIP) uses a 24-bit FC-MAP and concatenates a 24-bit Fibre Channel ID to create a fabric-provided MAC address. This is part of the FIP’s role in establishing and maintaining the virtual links between an E-Node and the Fibre Channel Forwarder (FCF). The MAC address is essential for the E-Node to participate in FCoE communications within the fabric. The process ensures that each E-Node has a unique address on the Ethernet network, which encapsulates the Fibre Channel frames for transport. References := Cisco MDS 9000 Series FCoE Configuration Guide, Release 9.x

You can use firmware packages in service profiles to upgrade the server and adapter firmware, including the BIOS on the server, by defining a host firmware policy and including it in the service profile associated with a server.

To finish the VXLAN configuration on Router A for extending VLAN 10 between routers A and B, the correct configuration would involve setting up the NVE interface, associating it with the VNI that corresponds to VLAN 10, and specifying the peer VTEP IP address for Router B. This setup will ensure that the VLAN is extended over the VXLAN tunnel between the two routers.

References :=

• Cisco Data Center Core Technologies (DCCOR) study materials.
• Cisco Nexus 9000 Series NX-OS VXLAN Configuration Guide1.
• Cisco Programmable Fabric with VXLAN BGP EVPN Configuration Guide

 Completing the vPC domain implementation requires adding the vPC member ports to the vPC channel group. This action ensures that all member ports are correctly bundled into the vPC, allowing for consistent forwarding behavior and redundancy across the vPC peer switches2.

Dedicated—A connection to the CIMC is available through the management Ethernet port or ports.

Shared LOM—A connection to the CIMC is available only through the LAN On Motherboard (LOM) Ethernet host ports.

https://www.cisco.com/c/en/us/td/docs/unified_computing/ucs/c/sw/gui/config/guide/1-1-1/b_Cisco_UCS_C-Series_Servers_Integrated_Management_Controller_Configuration_Guide_1_1_1/Cisco_UCS_C-Series_Servers_Integrated_Management_Controller_Configuration_Guide_1_1_1_chapter1.html

Cisco Fabric Services (CFS) utilizes IPv4 multicast addresses to disseminate configuration information across network devices. This ensures that all devices within the network have consistent and synchronized configuration data, which is crucial for maintaining the integrity and stability of the network.

References: For a detailed understanding, please refer to the Cisco Data Center Core Technologies (DCCOR) study materials, specifically the sections discussing CFS and its operational mechanisms within the network infrastructure.

 The command aaa authentication login default group ISE local configures the Cisco Nexus Series Switch to use TACACS+ for authentication by default and specifies a fallback to local authentication if the TACACS+ server becomes unavailable. This ensures that users are authenticated against the TACACS+ server when it is available, but allows them to use local switch credentials if the server cannot be reached, meeting the requirement for failover to local account1.

References :=

• Cisco documentation on configuring TACACS+ for Cisco Nexus Series Switches provides detailed steps and explanations for setting up authentication and ensuring failover to local accounts

 Starting a software upgrade on a Cisco Nexus 5000 Series Switch during a zone merge will result in the zone merge process stopping. This is to prevent any conflicts or issues that may arise from performing two significant operations simultaneously.

https://www. cisco.com/c/en/us/td/docs/switches/datacenter/nexus5500/sw/upgrade/602_N2_2/n5500_upgrade_downgrade_602_n2_2.html

 PowerOn Auto Provisioning (POAP) is a feature that automates the process of upgrading software images and installing configuration files on Cisco devices that are deployed in a network for the first time. It is particularly useful for scenarios where multiple switches need to be provisioned without manual intervention. When a switch with POAP boots up and does not find a startup configuration, it enters the POAP mode, locates a DHCP server, and bootstraps itself with its interface IP address, gateway, and DNS server IP address. It then obtains the IP address or URL of a TFTP server and downloads the necessary scripts and software images to configure the device12.

References: More information about POAP and its configuration can be found in Cisco’s official documentation

 Configuring an ERSPAN session between N5K-1 and N5K-2 is the appropriate action to accomplish the goal of collecting traffic, including payload, for further investigation. ERSPAN will mirror the traffic from the source to the destination over an IP network, allowing the network engineer to capture and analyze the traffic at the headquarters.

References: = For more information on how to configure ERSPAN sessions on Cisco devices, you can refer to the Cisco Nexus 5000 Series NX-OS Software Configuration Guide

 The command that completes the EEM script configuration for saving a copy of the running configuration to bootflash on a Cisco Nexus 9000 Series Switch is running-config. This command is used in the EEM applet to specify the source of the configuration file that needs to be copied. The complete command in the EEM applet would be action 1.0 cli command "copy running-config bootflash:/current-config.txt". This command will save the running configuration to a file named current-config.txt in the bootflash when the specified event occurs, which is when a user saves the configuration.

References: For more information on EEM scripts and the copy command on Cisco Nexus 9000 Series Switches, you can refer to the Cisco Data Center Core Technologies documentation and the Cisco NX-OS System Management Configuration Guide

 To add a Cisco HyperFlex data platform to the Cisco Intersight management portal, two components are required for Intersight to claim the Cisco HyperFlex data platform: the device claim code and the device serial number. The device claim code is a unique identifier that is generated by the Cisco HyperFlex installer and is used to register the device with Intersight. The device serial number is the serial number of the Cisco HyperFlex controller node and is used to verify the device ownership and entitlement3.

References := 3: [Cisco HyperFlex Systems Installation Guide for Cisco Intersight, Release 4.0] : [Cisco Intersight Device Connector Installation and Reference Guide]

To use SaaS to manage Cisco computing, you need to have a Cisco Intersight account and a device/claim ID for each device that you want to manage. Cisco Intersight is a cloud-based platform that provides unified management, automation, and analytics for Cisco data center products. A device/claim ID is a unique identifier that is generated when you register a device with Cisco Intersight. You can use the device/claim ID to claim the device and add it to your Intersight account. Once you claim the device, you can monitor, configure, and troubleshoot it from the Intersight dashboard. References: For more information on how to use SaaS to manage Cisco computing, please refer to the following resources:

• Cisco Intersight Overview
• Cisco Intersight Getting Started Guide
• Cisco Intersight Device Connector

 The configuration that meets the requirements for a media server to distribute streaming videos only to requesting clients, without propagating the video feed through shared trees if there are no requests, and supporting automatic discovery and announcement of RP-set information, is Option C. This option likely includes the use of Protocol Independent Multicast (PIM) in sparse mode, which is suitable for environments where multiple routers need to dynamically discover the Rendezvous Point (RP) for multicast groups. The configuration would also involve commands to enable Auto-RP for the automatic announcement and discovery of RPs.

References: The explanation is based on the principles of multicast routing and PIM operation as described in Cisco Data Center Core Technologies documentation. For more detailed information, the “Implementing and Operating Cisco Data Center Core Technologies (DCCOR v1.2)” course material and the Cisco official documentation on multicast routing would be the appropriate references.

A full state configuration backup in Cisco UCS Manager includes a snapshot of the entire system, which is stored as a binary file. This backup type is ideal for disaster recovery as it can restore or rebuild the configuration on the original fabric interconnect or recreate the configuration on a different fabric interconnect. It is important to note that this backup type cannot be used for an import but is specifically designed for system restoration.

References:

• Cisco’s official documentation on “Backing Up and Restoring the Configuration” provides a detailed guide on the backup types and procedures within Cisco UCS Manager1.
• The “Cisco UCS Manager Administration Management Guide 4.2” further elaborates on backup operations, considerations, and the system restore process

 The configuration set that meets the requirements for configuring port security on a Cisco MDS 9000 Series Switch is Option C. This option includes the command port-security activate vsan 4 force, which initiates the VSAN 4 port security database despite any conflicts. It omits the auto-learn command, indicating that new devices must be added manually. Additionally, the port-security distribute command ensures that configuration changes are applied throughout the fabric and any locks on the fabric are released, as required1.

References: = For more detailed information on port security configuration for Cisco MDS 9000 Series Switches, you can refer to the Cisco MDS 9000 Series Security Configuration Guide

Diagram Description automatically generated

NFS:

-Used to boot VMDK files

-Uses lease-based model for file locking

-Used to provide shared storage for hypervisors

SMB/CIFS:

-Used to boot VHDX files

-Used to provide shared storage for hypervisors

The configuration commands shown in the exhibit set up TACACS+ on a Cisco Nexus device. The tacacs-server host command with the key argument specifies that the switch should use an encrypted key when communicating with the TACACS+ server. Therefore, the switch will query the TACACS+ server using an encrypted text PAP login. References: Cisco Data Center Core Technologies source documents or study guide123.

Please note that these answers are based on the information available from the Cisco Data Center Core Technologies resources and the context provided in the questions. For the most accurate and detailed explanations, it’s always best to refer directly to the official Cisco documentation and study guides.

SPAN (Switched Port Analyzer) is a feature that allows network traffic from one or more source ports to be mirrored to a destination port for analysis. When configuring SPAN on a Cisco Nexus 5000 Series switch, two characteristics must be considered:

• A SPAN source port can be monitored in multiple SPAN sessions. This means that the same port can send traffic to different destination ports for different purposes or applications.
• A SPAN source port cannot be a destination SPAN port. This means that a port cannot receive traffic from another port that it is already monitoring. This prevents loops and conflicts in the SPAN configuration.

References := Configuring SPAN

https://www.cisco.com/en/US/docs/switches/datacen ter/nexus5000/sw/configuration/guide/cli_rel_4_1/Cisco_Nexus_5000_Series_Switch_CLI_Software_Configuration_Guide_chapter50.html

Ansible meets the requirements as it uses SSH for transport, does not require agent software to be installed on managed systems, and uses YAML for its playbooks, which is a human-readable data serialization standard, making it easy to read and use for people with limited knowledge of scripting languages.

References: Cisco’s official documentation on network automation orchestration solutions and the Implementing and Operating Cisco Data Center Core Technologies (DCCOR) course materials.

 The Cisco Integrated Management Controller (IMC) is a system management component built into Cisco UCS C-Series servers. When the IMC is upgraded, it disrupts the Keyboard, Video, Mouse (KVM) sessions that are used for remote server management. This is because the IMC upgrade process requires a reboot of the controller, which temporarily disconnects any active KVM sessions. However, it does not affect Cisco UCS Manager, SAN traffic, or data traffic, as these components operate independently of the IMC.

References: Implementing and Operating Cisco Data Center Core Technologies (DCCOR) course materials and the Cisco Data Center Core Technologies source book.

To configure HSRP on a Nexus 7000 series switch for VLAN 100 and ensure the router is the active master, you would typically use the hsrp command within the VLAN configuration mode, set the priority higher than the default to make it the preferred active router, and use the preempt command to allow the router to take over as the active router if it has a higher priority.

Cisco DCNM with SAN Insight is the solution that provides detailed information on the status of storage targets, including capacity metrics. SAN Insight is a feature within Cisco DCNM that allows storage administrators to monitor and analyze storage network traffic, helping to identify and resolve issues such as unexpected capacity limits. It would be the appropriate tool for creating and submitting a daily report of the environment showing the status of storage targets with the highest capacities.

 To reduce disruptions during a major software upgrade on a Cisco Nexus Series switch, technologies like VDC (Virtual Device Contexts) and vPC (Virtual Port Channels) can be implemented. VDC allows for the partitioning of a single physical device into multiple logical devices, which can be managed and operated independently. This means that one VDC can be upgraded while others remain operational, minimizing downtime. vPC enables the linking of two switches to create a single logical switch, providing redundancy and allowing for one switch to be upgraded while the other maintains the network operations1.

 To directly connect a Fibre Channel storage array to a Cisco UCS domain, configuring a new VSAN is essential as it creates a separate fabric to isolate the storage traffic. Additionally, creating a Storage Connection Policy is necessary to define how the UCS domain will communicate with the storage array, including zoning and VSAN membership.

 Since the AAA server is unreachable and TCP communication with the AAA servers is disabled, the network administrator must log in locally using a network-admin role. The upgrade files can then be downloaded from a remote TFTP server, which does not require TCP communication and can operate over UDP, thus bypassing the TCP restriction.

References: Cisco MDS 9000 NX-OS Software Upgrade and Downgrade Guide, Release 8.x

When moving traffic between switches configured with NPV and NPIV features, it’s crucial to ensure that the NPV traffic management settings are correctly configured to handle the new interface allocation. This typically involves updating the NPV traffic-map and ensuring that the upstream NPIV core switch recognizes the new paths for the traffic. Additionally, the engineer may need to verify the zoning and VSAN configurations to ensure that the new interface is part of the correct VSAN and that the zoning allows for the FLOGI to be processed correctly on the new interface123.

References:

• Cisco MDS 9000 Series Interfaces Configuration Guide, Release 8.x1.
• Cisco documentation on Configuring N Port Virtualization2.
• Cisco guide on N-Port Identifier Virtualization (NPIV) and N-Port Virtualization (NPV)

 The command “alert-group Inventory user-def-cmd show logging last 100” is used to configure the Smart Call Home feature to generate an email with the last 100 lines of the log when new hardware is inserted. This command specifies the alert group ‘Inventory’ and the user-defined command to show the last 100 lines of the logging buffer

The command checkpoint file before_maintenance is used to create a checkpoint of the current running configuration with the specified file name. The command rollback running-config file before_maintenance atomic ensures that the rollback of the checkpoint to the running configuration only occurs if there are no errors during the process. This is essential for maintaining the stability of the switch during maintenance operations.

The network administrator role in Cisco UCS Manager is designed to allow configuration of network-related settings, which includes vHBAs, vNICs, and server port types. This role provides the necessary privileges to manage these components

Cisco Data Center Network Manager (DCNM) is designed to help manage all NX-OS network deployments, which includes LAN fabrics, SAN fabrics, and IP Fabric for Media (IPFM) networking in the data center. DCNM provides prebuilt templates that can be used to customize fabric deployments, allowing for a more streamlined and efficient setup process. These templates include best-practice policy templates for Easy Fabric Mode and support for Python scripting for more complex policy templates, facilitating the customization and automation of fabric deployments.

References: This information is supported by the Cisco Data Center Network Manager 11 Data Sheet, which outlines the features and benefits of DCNM, including the availability of prebuilt templates for fabric customization

After creating a keyring and generating a certificate request, the next step is to create a trusted point. This involves downloading the certificate chain from the CA authority, converting it to the required format, and creating a Trust-Point on UCS Manager where the certificate details are pasted

To achieve the most optimal on demand CPU performance while configuring the BIOS settings of a UCS C-series rack mount server, you should set the CPU Performance option to C0/C1 state. This option enables the CPU to operate in the highest performance state (C0) or the lowest power state (C1) depending on the workload demand. This allows the CPU to maximize its performance and efficiency without compromising its thermal and power limits. The other options (C6 Retention, C2 state, and C6 non-Retention) reduce the CPU performance by putting the CPU into deeper sleep states (C2 or C6) when idle, which can increase the latency and power consumption when resuming the CPU activity. References: For more details on how to configure the BIOS settings of a UCS C-series rack mount server, please refer to the following resources:

• Cisco UCS C-Series Servers Integrated Management Controller GUI Configuration Guide
• Cisco UCS C-Series Rack-Mount Server BIOS Settings

 PowerOn Auto Provisioning (POAP) on Cisco Nexus 9000 Series Switches automates the process of upgrading software images and installing configuration files on devices being deployed for the first time. When a device with POAP boots without a startup configuration, it enters POAP mode, locates a DHCP server, and bootstraps itself with its interface IP address, gateway, and DNS server IP addresses. The device also obtains the IP address of a TFTP server and downloads a configuration script that enables the switch to download and install the appropriate software image and configuration file. Since only UDP is permitted between the Nexus 9000 switch and the server hosting the Cisco NX-OS system images, the TFTP transfer protocol, which uses UDP, must be defined1.

References:

• Cisco Nexus 9000 Series NX-OS Fundamentals Configuration Guide, which details the use of POAP and the requirements for network infrastructure including a DHCP server and a TFTP server

• Setting the RADIUS source interface to be mgmt0 for group RAD1 and VLAN 22 for group RAD2 © ensures that login requests from the console and SSH are sourced from the correct interfaces and reach the appropriate RADIUS server.
• Configuring the authentication login to use group RAD1 for console and group RAD2 for remote access (D) directs the switch to use the specified RADIUS server groups for the respective login methods, aligning with the user’s requirements.

These configurations ensure that management access via console and SSH is authenticated through the designated RADIUS servers as intended. It’s important to apply these settings correctly in the switch’s configuration to achieve the desired access control.

 The vHBA policy in Cisco UCS Manager is used to specify the WWPN of the storage array and can be configured for zoning type as single initiator multiple targets. The Fibre Channel adapter policy is used to configure interrupt handling and queues of the vHBA interface, which are essential for SAN connectivity.

References: = For more detailed information, refer to the Cisco UCS Manager GUI Configuration Guide and the Cisco Data Center Core Technologies study materials

 In a Cisco NX-OS environment, Ansible requires the NX-API to be enabled for HTTP/HTTPS protocol communication. NX-API is a REST-like API for NX-OS, providing a method for external applications to access the switch over HTTP/HTTPS, allowing for both CLI and simple object-based programming. This is necessary for Ansible to manage the device and execute automation tasks over these protocols.

References: Cisco’s official documentation on NX-API and Ansible’s documentation for Cisco NX-OS support.

 To meet the requirements of automating the provisioning of Cisco Nexus 9000 Series Switches while hiding Admin and Config Menu items in Interface Manager, the roles of network-operator and access-admin should be assigned. The network-operator role permits device operations within Interface Manager, and the access-admin role is likely to have the necessary permissions to manage user access without exposing sensitive admin and configuration options.

References: = For more information on user roles and permissions in Cisco Data Center Network Manager (DCNM), you can refer to the official Cisco documentation and guides related to DCNM user role configuration.

A Multi-Site Orchestrator deployment requires two orchestrators to be deployed, one in each of the two main data center sites. The Multi-Site Orchestrator is a software component that enables the management and orchestration of multiple Cisco Application Centric Infrastructure (ACI) fabrics that are geographically distributed across different locations. The Multi-Site Orchestrator provides a single pane of glass for configuring, monitoring, and troubleshooting the ACI fabrics, as well as synchronizing policies and tenants across the sites. The Multi-Site Orchestrator also supports disaster recovery and high availability scenarios by allowing the replication of data and services between the sites. The Multi-Site Orchestrator deployment consists of two orchestrators that form a cluster and communicate with each other using a secure channel. Each orchestrator is connected to one or more ACI fabrics in the same site, and acts as a proxy for the other orchestrator to access the ACI fabrics in the remote site. The orchestrators use a leader-election algorithm to determine which one is the active orchestrator and which one is the standby orchestrator. The active orchestrator handles all the requests from the users and the applications, while the standby orchestrator monitors the health and status of the active orchestrator and takes over in case of a failure. The orchestrators also perform periodic data synchronization to ensure consistency and reliability. References :=

• Implementing and Operating Cisco Data Center Core Technologies (DCCOR) v1.2, Module 6: Cisco ACI, Lesson 6.4: Cisco ACI Multi-Site
• Cisco ACI Multi-Site Orchestrator User Guide, Chapter: Cisco ACI Multi-Site Orchestrator Overview

 The HA NOT READY status on a Cisco Fabric Interconnect typically indicates that the system is not in a state to provide High Availability due to certain connectivity issues. In this case, the status message “No device connected to this Fabric Interconnect” suggests that there is no connectivity through the management ports. Establishing a connection through these ports is essential for the Fabric Interconnect to communicate with other devices in the network and form a High Availability cluster. Once the management ports are connected and properly configured, the HA NOT READY status should be resolved.

References := This explanation is based on standard procedures for addressing High Availability issues in Cisco Data Center environments, as outlined in Cisco’s technical documentation and the Implementing and Operating Cisco Data Center Core Technologies (DCCOR) course materials

Option A, which utilizes the SFTP protocol with a weekly schedule, aligns with the requirements. SFTP ensures encrypted transmission of data, addressing the need for secure backup. A weekly backup schedule is within the 48-hour Recovery Point Objective (RPO), as it guarantees that the most data that could be lost in a disaster is one week’s worth, which is acceptable within the given RPO. The Recovery Time Objective (RTO) of 4 hours is related to the restoration process rather than the backup schedule or protocol, so it is not directly influenced by the choice of Option A.

References := For more detailed information, refer to the Cisco UCS Manager Backup and Restore Guide, which provides guidelines on setting up disaster recovery policies, including backup schedules and transmission security.

NETCONF is the ideal solution for this scenario for the following reasons:

• Standards-based: NETCONF is built upon industry-standard protocols (XML, SSH, TLS) ensuring compatibility and adherence to open standards.
• Secure transport: NETCONF mandates secure transport mechanisms like SSH or TLS for communication between the automation software and managed devices, aligning with security requirements.
• Data Format: NETCONF utilizes XML for data encoding and transport, providing a human-readable and machine-parsable format that is easy to work with.
• Remote Device Automation: NETCONF is designed specifically for remote configuration and management of network devices, making it perfect for the task of automating remote device deployments.

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When configuring traffic capture to investigate issues such as buffering problems and packet drops, it’s important to consider where to place the capture points. Typically, you would configure a SPAN (Switched Port Analyzer) or RSPAN (Remote SPAN) session to mirror the traffic from the affected areas to a monitoring device. The configuration would involve:

• Identifying the source ports or VLANs where the issues are observed.
• Specifying a destination port connected to a network analyzer like Wireshark.
• Ensuring the destination port is not used for regular network traffic.

For example, a basic SPAN session configuration might look like this:

monitor session [session_number] source interface [interface_id]

monitor session [session_number] destination interface [destination_interface_id]

References: The Implementing and Operating Cisco Data Center Core Technologies (DCCOR) course provides insights into the capabilities of Cisco devices for traffic capture and monitoring. For detailed steps and best practices, refer to Cisco’s official documentation on configuring packet capture

The output indicates that port channel 1 is trunking, which means it is configured to be an Inter-Switch Link (ISL). ISLs are used in Fibre Channel networks to connect switches and maintain the fabric topology. The “port mode is F” in the output also confirms that it’s an ISL, as F-ports are used for Fabric (switch) ports connecting to N-ports on another switch or node.

References:

• Cisco MDS 9000 Series Switches Configuration Guides
• Cisco Data Center Infrastructure - Design Guide

Puppet, an open-source configuration management tool, requires the Open Agent Container (OAC) to run on Cisco NX-OS. The OAC provides a contained environment where third-party agents like Puppet can run without affecting the host NX-OS system.

References: The requirement for OAC when using Puppet in a Cisco NX-OS environment is outlined in the Cisco NX-OS Puppet Configuration Guide, which explains the integration of Puppet with Cisco NX-OS and the necessary components.

 To meet the objective of sending a copy of all VLAN 11 traffic on N5K_1 to the Traffic Capturing Device, creating a LAN traffic monitoring session is the necessary action. This session will capture the specified VLAN traffic and forward it to the designated capturing device for analysis or monitoring purposes. The existing configuration in Cisco UCS Manager needs to be complemented with this session to achieve the desired traffic capture.

 Option B and E are the correct configuration sets that must be used to meet the requirements. Option B enables the user role distribution in DC1 by setting the role distribution policy to enabled and the role distribution scope to global. Option E constrains the NTP and call home features to DC2 by setting the NTP and call home policies to local and assigning them to the DC2 fabric interconnects. References:

• Cisco UCS Manager CLI Configuration Guide, Release 4.0 - Configuring User Role Distribution [Cisco UCS Manager], Configuring User Role Distribution, Configuring User Role Distribution
• Cisco UCS Manager CLI Configuration Guide, Release 4.0 - Configuring NTP [Cisco UCS Manager], Configuring NTP, Configuring NTP
• Cisco UCS Manager CLI Configuration Guide, Release 4.0 - Configuring Call Home [Cisco UCS Manager], Configuring Call Home, Configuring Call Home

 To achieve the objective of bringing down all VLANs on an interface that are not enabled for FCoE while allowing those that are enabled for FCoE to continue carrying SAN traffic, the shutdown force command should be applied to the Ethernet interface. This command ensures that only the non-FCoE VLANs are shut down, and it does not affect the operation of the VLANs carrying FCoE traffic. The shutdown force command is used specifically to override any configurations that might prevent the interface from being shut down, such as EtherChannel or Spanning Tree Protocol (STP) settings.

References: The solution aligns with Cisco’s best practices for managing VLANs in a Cisco ACI environment, particularly when dealing with FCoE traffic. For more detailed information, refer to the Cisco documentation on FCoE configurations and VLAN management in the context of Cisco ACI fabrics, which can be found in the Cisco Data Center Core Technologies (DCCOR) study materials and on the Cisco official website under the Data Center and Virtualization section1

During an In-Service Software Upgrade (ISSU) on Cisco Nexus 9000 Series Switches, the LACP peer session is designed to remain up without any renegotiation or reset. This is because ISSU is a process that allows for software upgrades without disrupting the normal operation of the network. The default LACP timers and the ISSU process are designed to work together to maintain the session state even during the upgrade process. The Nexus upgrade process will force the chassis itself to upgrade disruptively if LACP fast is used, which is not the default setting. A disruptive upgrade means the chassis itself will fully reload, impacting all ports on the switch, not just the LACP fast ones. However, with the default aging timers, the LACP peer connection should not be affected1.

References:

• Cisco Nexus 9000 Series NX-OS Software Upgrade and Downgrade Guide2.
• Cisco Community discussions on LACP and ISSU impact

 Option D is the correct configuration to enable the Cisco UCS Manager to manage a Cisco UCS C-Series server by using a single cable for management and data traffic. The commands enter the server scope, then the cimc scope, then the mgmt-conn scope with the sideband option, which enables the management connection through the sideband interface. Then, the mgmt-conn-state is set to enabled and the changes are committed to the buffer. References:

• Cisco UCS Manager CLI Configuration Guide, Release 4.0 - Configuring Cisco UCS C-Series Servers [Cisco UCS Manager], Configuring Cisco UCS C-Series Servers, Configuring the Management Connection
• Cisco UCS Manager CLI Configuration Guide, Release 4.0 - Configuring Cisco UCS C-Series Servers [Cisco UCS Manager], Configuring Cisco UCS C-Series Servers, Enabling the Management Connection Through the Sideband Interface

The virtual MAC address that is the default for HSRP version 2 group 10 is 0000.0C9F.F00A. HSRP (Hot Standby Router Protocol) is a protocol that provides redundancy and load balancing for IP networks by allowing multiple routers to share a virtual IP address and MAC address. HSRP version 2 supports up to 4096 groups, and uses a different MAC address format than HSRP version 1. The MAC address format for HSRP version 2 is 0000.0C9F.FXXX, where XXX is the hexadecimal value of the group number. For group 10, the hexadecimal value is 0A, so the MAC address is 0000.0C9F.F00A. References :=

• Implementing and Operating Cisco Data Center Core Technologies (DCCOR) v1.2, Module 3: Data Center LAN Network Connectivity, Lesson 3.6: Cisco Nexus 5000 Series Switches
• Cisco Nexus 5000 Series NX-OS Unicast Routing Configuration Guide, Release 5.2(1)N1(1), Chapter: Configuring HSRP, Section: HSRP Version 2 edge browser The user has the page open in a Microsoft Edge browser window whose metadata is: