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3V0-21.21 Questions and Answers

Question # 6

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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Question # 7

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 # 8

Which of the listed requirements would be classified as a recoverability non-functional requirement?

A.

The platform must be integrated with existing change control policies.

B.

The platform must be able to support a maximum tolerable downtime (MTD) of 30 minutes.

C.

Maintenance windows must be scheduled to take place monthly during an established overnight period.

D.

The platform must be available 24 hours a day, 7 days a week with the exception of scheduled downtime.

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Question # 9

A VMware Service Provider is tasked with delivering a solution for continuous availability for a subset of Tier 1 virtual machines (VMs) and vApps running in their vSAN environment. The VMs make up a mission-critical application and there can be no data loss in the event of an outage at their primary data center. In the event of a regional outage, they have established a 10-minute recovery point objective (RPO). Failover/failback to the third site must be automated.

They have the following in place:

  • Two local data centers (primary and secondary) connected with 100 Gb dedicated fiber
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A third data center located on another power grid

  • 70ms latency between the primary and secondary data centers
  • Matching storage arrays at all locations

Which two solutions could be used to meet the requirements? (Choose two.)

A.

Site Recovery Manager

B.

Snapshots

C.

vSAN Metro Cluster

D.

vSphere Data Protection

E.

vStorage APIs for Array Integration (VAAI)

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Question # 10

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 # 11

An architect is planning the physical server configuration for a vSAN-based infrastructure.

Which operations mode should a RAID controller support to minimize potential server downtime during physical disk failures?

A.

RAID controller with Passthru mode

B.

RAID controller with RAID 5 mode

C.

RAID controller with RAID 10 mode

D.

RAID controller with RAID 6 mode

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Question # 12

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 # 13

An organization's existing vSphere environments are configured for Enhanced Linked Mode. The DevOps team automates the creation of hardened virtual machine images for various operating systems. Their continuous integration/continuous delivery (CI/CD) pipeline runs a task at the end of a successful build, which uploads the Open Virtualization Format (OV) image to a sandbox content library, deploys a virtual machine from the image, and then destroys these objects after quality checks are complete.

The following requirements have been noted:

  • All content libraries and images must be centrally created and managed.
  • All images must be capable of being updated.
  • All images must be refreshed and available to subscribed libraries within 24 hours.
  • All images must provide details of the image contents and versions.
  • All images must be capable of being reverted to a previous version.
  • All images must be capable of having the hardware and guest operating system customized during deployment.

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

A.

Create a local content library in the primary vSphere environment and enable publishing.

B.

Create and publish a new subscription to a new subscriber library for each target vSphere environment.

C.

Deploy the OVF images to vSphere and clone as an OVF template to a local content library.

D.

Deploy the OVF images to vSphere and clone as a VM template to a local content library.

E.

Edit the Auto Sync Refresh Interval advanced setting for each subscribed library.

F.

Add a new subscriber library from each vSphere environment.

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