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3V0-21.21 Questions and Answers

Question # 6

An architect is designing a vSphere environment for a customer based on the following information:

  • The vSphere cluster will have three hosts only due to budget considerations.
  • A database cluster (node majority) consisting of three virtual machines will be running on the vSphere cluster.

Which two recommendations can the architect make so that the customer achieves the highest level of

application availability while taking into consideration operational resiliency? (Choose two.)

A.

Create VM-VM anti-affinity rules

B.

Set das.respectvmvmantiaffinityrules to false

C.

Create VM-Host anti-affinity rules

D.

Disable vSphere HA during maintenance

E.

Set das.ignoreinsufficienthbdatastore to true

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Question # 7

An architect is tasked with recommending a solution for a company that is running out of VLANs. Currently the company is running two separate data centers based on vSphere including an Enterprise Plus license. In the first data center, the problem was solved by using VMware NSX and overlay network. In the second data center, there is currently no VMware NSX implementation in place and no budget for additional licenses.

What should the architect recommend as a potential solution to provide support for additional VLANs?

A.

Separate Distributed Virtual Switches (DVS)

B.

Private VLANs (PVLAN)

C.

Virtual Guest Tagging (VGT)

D.

vSwitch VLAN Tagging (VST)

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Question # 8

An organization’s data scientists are executing a plan to use machine learning (ML). They must have access to graphical processing unit (GPU) capabilities to execute their computational models when needed. The

solutions architect needs to design a solution to ensure that GPUs can be shared by multiple virtual machines.

Which two solutions should the architect recommend to meet these requirements? (Choose two.)

A.

NVIDIA vGPU

B.

AMD MxGPU

C.

vSphere DirectPath I/O

D.

vSGA

E.

vSphere Bitfusion

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Question # 9

An architect makes the design decision to install ESXi on embedded and resilient 8 GB SD cards.

What is the impact of this design decision?

A.

Host profiles must be used for this kind of installation

B.

Scratch partition would need to be created on the external storage

C.

The size of the SD cards is too small and the installation will fail

D.

The vSphere Auto Deploy feature must be enabled on vCenter Server

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Question # 10

An architect is considering placement of virtual machines within an existing VMware software-defined data center (SDDC).

During the discovery phase, the following information is documented:

Which two recommendations should the architect make for placement of the virtual machines to meet resource profile requirements? (Choose two.)

A.

All virtual machines matching Virtual Machine Resource Profile 2 should be placed on Cluster One.

B.

All virtual machines matching Virtual Machine Resource Profile 1 should be placed on Cluster One.

C.

All virtual machines matching Virtual Machine Resource Profile 2 should be placed on Cluster Two.

D.

All virtual machines matching Virtual Machine Resource Profile 1 should be placed on Cluster Two.

E.

All virtual machines matching Virtual Machine Resource Profile 2 should be placed on Cluster Three.

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Question # 11

Refer to the exhibit.

During a requirements gathering workshop, the customer shares the following diagram regarding their availability service-level agreements (SLAs):

The customer wants database application level availability to always take precedence. What should the architect recommend to meet the customer’s requirement?

A.

Enable vSphere HA and add a VM Override with VM Restart Priority set to Highest.

B.

Enable Fault Tolerance.

C.

Enable Sphere HA and maintain the default settings.

D.

Enable vSphere HA and add a VM Override with VM Restart Priority set to Lowest.

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Question # 12

There is a request for approved virtual machine applications through a new vSphere platform’s integrated automation portal. The platform was built following all provided company security guidelines and has been assessed against Sarbanes-Oxley Act of 2002 (SOX) regulations.

The platform has the following characteristics:

  • vRealize Operations is being used to monitor all clusters.
  • There is a dedicated ESXi cluster, supporting all management services.

There is a dedicated ESXi cluster for all line-of-business applications.

  • Network traffic is serviced by NSX-T.

There is a dedicated ESXi cluster for virtual desktop infrastructure (VDI).

  • Network traffic is serviced by NSX-T.

The application owner is requesting approval to install a new service that must be protected as per the Payment Card Industry (PCI) Data Security Standard.

Which additional non-functional requirement should the architect include in the design to support the new service?

A.

The vSphere hosting platform and all PCI application virtual machines must be assessed against Payment Card Industry (PCI) Data Security Standard compliance.

B.

The vSphere hosting platform and all PCI application virtual machines must be assessed for SOX compliance.

C.

The vSphere hosting platform and all PCI application virtual machine network traffic must be routed via NSX-T.

D.

The vSphere hosting platform and all PCI application virtual machines must be monitored using the vRealize Operations Compliance Pack for Payment Card Industry.

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Question # 13

In a meeting to discuss the minimum viable product (MVP) deployment of a new customer-facing application, the key stakeholder shares details of the application components and the application administrators share details of performance and integrity tests for the application.

The application will be made up of the following components:

  • A web server

-Steps to confirm the web server is operating correctly will take 15 minutes after the application server is online.

  • An application server

-Steps to confirm application server integrity will take 15 minutes after the database is online.

  • A database server

-The database server will be managed by a database administrator, with an agreed service-level agreement (SLA) to restore and validate database services within one hour.

The existing VMware infrastructure offers a recovery point objective (RPO) of 5 minutes and recovery time objective (RTO) of 15 minutes through a combination of backups and replication.

In the event of an outage impacting all three application components, how long will it take for the application to recover and complete all checks?

A.

15 minutes

B.

60 minutes

C.

105 minutes

D.

90 minutes

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Question # 14

An architect is considering placement of virtual machines within an existing VMware software-defined data center (SDDC).

During the discovery phase, the following information is documented:

Cluster One

  • Six ESXi hosts
  • vSphere HA with host failures cluster tolerates = 1
  • Proactive HA is enabled and set to automated
  • Fully Automated vSphere DRS
  • Transparent Page Sharing (TPS) is enabled

Cluster Two

  • Eight ESXi hosts
  • vSphere HA with host failures cluster tolerates = 1
  • Proactive HA is disabled
  • Partially Automated vSphere DRS
  • Transparent Page Sharing (TPS) is disabled

Cluster Three

  • Three ESXi hosts
  • vSphere HA with admission control is disabled
  • Proactive HA is not supported
  • Transparent Page Sharing (TPS) is disabled

Virtual Machine Resource Profile 1

  • Memory sharing techniques should not be used
  • Virtual machines should be automatically restarted in the event of host failure if resources are available
  • Automated initial virtual machine placement

Virtual Machine Resource Profile 2

  • Memory sharing techniques should not be used
  • Virtual machines should be automatically restarted in the event of host failure regardless of available resources
  • Automated initial virtual machine placement

Which two recommendations should the architect make for placement of the virtual machines to meet resource profile requirements? (Choose two.)

A.

All virtual machines matching Virtual Machine Resource Profile 2 should be placed on Cluster One.

B.

All virtual machines matching Virtual Machine Resource Profile 1 should be placed on Cluster One.

C.

All virtual machines matching Virtual Machine Resource Profile 2 should be placed on Cluster Two.

D.

All virtual machines matching Virtual Machine Resource Profile 1 should be placed on Cluster Two.

E.

All virtual machines matching Virtual Machine Resource Profile 2 should be placed on Cluster Three.

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Question # 15

The Chief Information Security Officer (CISO) for an organization is concerned about the security posture of the operating system images that are used for the provisioning of their Software-as-a-Service (SaaS) applications. The organization is in a growth period. The organization is opening a new data center to launch its next phase of new SaaS-based solutions.

The DevOps team currently creates encrypted virtual machine (VM) templates that are used for various operating systems and adds these to the vSphere inventory. The DevOps team already uses a published content library and has been granted a role with the ability to add and delete library items.

The following requirements have been noted:

  • Impacts to the DevOps team’s operational processes must be kept to a minimum.
  • The DevOps team must be able to regularly check out a copy of the image for updates and check in a new version of the image.
  • Images must be synchronized from the primary data center to the new data center.

Which three recommendations should the architect make to design a content library solution that will meet these requirements? (Choose three.)

A.

Clone virtual machines as VM templates to the published content library

B.

Create a subscribed library from the published library and synchronize Open Virtualization Format (OVF) templates on-demand

C.

Create a subscription and publish VM templates to a subscribed content library

D.

Create a subscribed library from the published library and synchronize Open Virtualization Format (OVF) templates automatically

E.

Clone virtual machines as Open Virtualization Format (OVF) templates to the published content library

F.

Update the role for the DevOps team with new privileges

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Question # 16

An architect is designing a VMware solution for a customer to meet the following requirements:

  • The solution must use investments in existing storage array that supports both block and file storage.
  • The solution must support the ability to migrate workloads between hosts within a cluster.
  • The solution must support resource management priorities.
  • The solution must support the ability to connect virtual machines directly to LUNs.
  • The solution should use existing 32G fabric infrastructure.
  • There is no budget for additional physical hardware.

Which design decision should the architect make to meet these requirements?

A.

The ESXi hosts will leverage Fibre Channel (FC).

B.

The ESXi hosts will leverage iSCSI.

C.

The ESXi hosts will leverage Fibre Channel over Ethernet (FCoE).

D.

The ESXi hosts will leverage NFS.

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Question # 17

Application owners require support of a Microsoft Windows Server Failover Cluster (WSFC).

Their current environment consists of the following components:

  • vSphere 7.0 and vSAN 7.0
  • External array supporting NFS 3.0/4.1, Server Message Block (SMB) 2.1
  • 10 GbE storage connectivity for all devices

The solution architect is tasked with coming up with a solution to meet this requirement while utilizing their existing investments.

Which two recommendations could the architect make? (Choose two.)

A.

Use vSAN native support for WSFC

B.

Use NFS 4.1 shares for quorum and shared disk

C.

Use raw device mapping (RDM)

D.

Use the SMB 2.1 protocol for sharing disks

E.

Run WSFC on vSAN iSCSI Target Service

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Question # 18

Which two of the listed requirements would be classified as manageability non-functional requirements? (Choose two.)

A.

ESXi clusters must scale when compute resources are sustained above 70% for five business days

B.

vSphere Fault Tolerance must be supported to improve application uptime

C.

ESXi host updates must be installed within one week of release

D.

The vSphere environment must support administrator password rotation

E.

ESXi clusters must scale to 500 concurrent virtual machines

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Question # 19

An architect has 50 ESXi hosts to deploy and DHCP servers are not allowed on any network. Which automated host deployment method should the architect use?

A.

Stateless vSphere Auto Deploy

B.

Stateful vSphere Auto Deploy

C.

Scripted installation

D.

Interactive installation

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Question # 20

Which two of the listed requirements would be classified as performance non-functional requirements? (Choose two.)

A.

The vSphere platform must be able to provide a recovery time objective of 30 minutes

B.

The vSphere platform must be able to provide a minimum throughput of 400 MB/s

C.

The vSphere platform must be able to provide N+1 redundancy

D.

The vSphere platform must be able to provide a maximum read latency of 15 ms

E.

The vSphere platform must be able to provide a service-level agreement (SLA) of 99,9%

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Question # 21

An architect is designing a solution based on the following information:

  • Each ESXi host has a single physical NIC with two 10 Gbps ports.
  • There is a performance-based service-level agreement (SLA) that guarantees 15 Gbps bandwidth for production virtual machines at all times.
  • There is no budget to purchase additional hardware.
  • The hardware replacement SLA is based on a delivery agreement of two business days.

Which recommendation for the configuration of vSphere High Availability (HA) should the architect include in the design?

A.

Configure vSphere HA

Configure % based admission control Configure two isolation addresses

Consider an OEM with NIC failure conditions in their Proactive HA plugin

B.

Configure vSphere HA

Set das.IgnoreRedundantNetWarning to true

Consider an OEM with NIC failure conditions in their Proactive HA plugin

C.

Configure vSphere HA

Configure two existing data stores for heartbeat

Consider an OEM with NIC failure conditions in their Proactive HA plugin

D.

Configure Proactive HA Automation Level: Automated

Remediation: Maintenance mode for all failures

Consider an OEM with NIC failure conditions in their Proactive HA plugin

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Question # 22

An architect is designing a new vSphere platform to meet a list of requirements from the security team.

Which two requirements would be classified as non-functional requirements? (Choose two.)

A.

Migration of virtual machines between hosts must be encrypted

B.

Log information must be verbose to support incident resolution

C.

Critical events generated within the platform must be logged to an external Syslog service

D.

Data integrity must be ensured

E.

A common content library must be maintained across all data centers

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Question # 23

An architect will be taking over control of a former Linux server fleet and repurposing the hardware into a new vSphere cluster. The current environment is already connected to the network but the hosts do not have any local disks. Since the fleet hardware is uniform, the architect can use a single ESXi image. All hosts within the cluster have the same CPU and memory capacity.

Which ESXi deployment method should the architect use?

A.

Stateless cached vSphere Auto Deploy

B.

Stateless vSphere Auto Deploy

C.

Manual install of each ESXi host with an image from USB

D.

Stateful vSphere Auto Deploy

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Question # 24

An architect is designing a VMware software-defined data center (SDDC) solution based on the following customer requirements:

  • The solution must initially support 1,000 virtual machines
  • The solution must scale to support the concurrent running of up to 5,000 virtual machines
  • The production environment should be delivered across two data centers
  • The solution should have a maximum tolerable downtime (MTD) of four hours
  • The solution should have a monthly service availability target of 99.8%

Which two assumptions could the architect make based on the information from the customer to help size the solution? (Choose two.)

A.

The number of vSphere hosts in a cluster

B.

The average resource utilization of a virtual machine

C.

The size (CPU/RAM/storage) of the average virtual machine

D.

The guest operating system for each virtual machine

E.

The size (CPU/RAM/storage) of the vSphere hosts

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Question # 25

Following a recent acquisition, an architect needs to merge IT assets into its current data center. The combined vSphere environment will need to run the newly acquired company’s virtual machines.

Network integration work has already been completed and the current environment has capacity to host all virtual machines. The Operations team needs to identify which virtual machines belong to the acquired company and report on their usage.

How should the architect merge the company’s assets and virtual machines?

A.

Leave the newly acquired company’s assets in its current place

B.

Lift and shift the acquired assets into the data center

C.

Migrate the acquired company’s virtual machines into the existing vSphere environment

D.

Migrate and apply vSphere tags to the acquired company’s virtual machines

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Question # 26

An architect is tasked with designing a greenfield VMware software-defined data center (SDDC) solution that will be used to deliver a private cloud service for a customer.

During the initial meeting with the service owner and business sponsor, the customer has provided the following information to help inform the design:

  • The solution must initially support the concurrent running of 300 production and 600 development virtual machines.
  • The production environment should be delivered across two geographically dispersed data centers. The development environment must be vSphere-based but does not have to be deployed on-premises.
  • The two data centers are connected to each other through multiple diversely routed, high bandwidth and low latency links.
  • The customer’s server hardware standard document states that all virtual infrastructure hosts must be based on blade architecture only.
  • The service owner has said that is important to ensure that neither the availability target of 99.5% nor the resource capacity is affected when the operations team completes maintenance activities, such as the monthly software patching and ad-hoc hardware break/fix.
  • All virtual machine backups must be completed using the existing backup service. The recovery time objective (RTO) for the service is four hours.
  • The recovery point objective (RPO) of the service is 24 hours.

Given the information from the customer, which two would be classified as assumptions within the design? (Choose two.)

A.

The backup service will store data in a secure facility

B.

The backup service has sufficient capacity for the new requirements

C.

The customer will update their hardware standard to support rack mount servers

D.

All virtual machines will be deployed with the same resource profile for production and development

E.

The clusters will have a minimum redundancy of N+1

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