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5V0-21.21 Exam Dumps - VMware HCI Master Specialist

Question # 4

An administrator is tasked with sharing storage from one vSAN cluster to another vSAN cluster. SPBM management must be preserved end-to-end, and the policy must be applied by the source vSAN cluster which is storing the data. Both vSAN clusters are managed by the same vCenter server.

What should the administrator configure?

A.

NFS volumes on vSAN

B.

iSCSI targets on vSAN

C.

HCI Mesh on vSAN

D.

vVOLs on vSAN

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Question # 5

Which statement accurately describes the result when proper VM Storage Policy Affinity Rules on a stretched vSAN cluster are set?

A.

When a site is disconnected, the VM will lose access to its VMDK.

B.

When a site is disconnected, the VM will continue to have access to its VMDK.

C.

Bandwidth is unnecessarily sent across the inter-site link.

D.

Proper policies result in higher inter-site bandwidth utilization.

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Question # 6

An administrator has been tasked with enabling encryption for existing virtual machines on a vSAN cluster.

Which three prerequisites must be satisfied before completing the task? (Choose three.)

A.

Create an encryption storage policy

B.

Enable Data-In-Transit encryption first

C.

Enable that the virtual machines are powered on

D.

Verify if a role with privilege “Cryptographic operations.Encrypt new” is assigned

E.

Verify if a role with privilege “Cryptographic operations.Migrate” is assigned

F.

Establish a trusted connection with the KMS

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Question # 7

Upon checking the latency goal under vSAN performance diagnostics, the vSAN Administrator sees this message displayed:

The increase in latency in the vSAN stack might be beyond expected limits.

Which two root causes can be identified to help remediate the issue? (Choose two.)

A.

vSAN VMKemel portgroup is configured with the “Route based on IP hash” teaming policy

B.

vSAN encryption is enabled

C.

Large packet losses and retransmissions on the network layer

D.

Incorrect sizing of the disk groups capacity disks

E.

One or more disk groups are congested

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Question # 8

An administrator wants to check the performance metrics for the workloads and their virtual disks that are running on a vSAN cluster, but no statistical charts are displayed in the vSphere client.

Why is this behavior being seen?

A.

vSAN network diagnostic mode is not enabled.

B.

vSAN proactive tests haven’t been run yet.

C.

vSAN performance service is turned off.

D.

vSAN performance verbose mode is not enabled.

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Question # 9

An administrator is troubleshooting vSAN performance issues, and the performance diagnostics reports:

"There are errors seen in one or more physical NICs on one or more hosts."

Which two problems must be resolved to fix this issue? (Choose two.)

A.

A 25 Gb/s NIC needs to be installed.

B.

There are incompatible firmware and driver versions.

C.

There is an incorrectly set MTU.

D.

The vSAN version needs to be upgraded to 7.0.

E.

A firewall is blocking ports.

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Question # 10

A company hosts a vSAN 7 stretched cluster for all development workloads. The original sizing of a maximum of 250 concurrent workloads in the vSAN cluster is no longer sufficient and needs to increase to at least 500 concurrent workloads within the next six months.

To meet this demand, the original 8-node (4-4-1) cluster has recently been expanded to 16 nodes (8-8-1).

Which three additional steps should the administrator take to support the current growth plans while minimizing the amount of resources required at the witness site? (Choose three.)

A.

Add the new vSAN witness appliance to vCenter Server.

B.

Deploy a new large vSAN witness appliance at the witness site.

C.

Configure the vSAN stretched cluster to use the new vSAN witness.

D.

Deploy a new extra large vSAN witness appliance at the witness site.

E.

Upgrade the vSAN stretched cluster to vSAN 7.0 U1.

F.

Configure the new vSAN witness as a shared witness appliance.

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Question # 11

An 8-Node vSAN Stretched Cluster (4+4+1) with a single disk group has a policy with PFTT=1 (mirrored across sites) and SFTT=1/FTM Mirroring (Local Protection) configured.

The administrator has been alerted that there is a problem with the cluster. The following has been observed:

* The vSAN Witness Host is offline.

* Two disk failures on two hosts have occurred in the preferred site.

This has resulted in a critical production virtual machine’s vmdk becoming inaccessible.

Which step needs to be performed by the administrator to resolve the issue?

A.

Replace all failed disks on the preferred site.

B.

Replace the vSAN Witness Host

C.

Replace access to the existing vSAN Witness Host

D.

Replace only one failed disk on the preferred site.

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Question # 12

An architect intends to use the Primary Level of Failures To Tolerate (PFTT) to calculate the minimum number of required hosts for a vSAN cluster.

Which calculation model should be used?

A.

1 * PFTT + 1

B.

2 * PFTT + 2

C.

1 * PFTT + 2

D.

2 * PFTT + 1

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Question # 13

An architect collected the below technical requirements from the customer during a vSAN cluster design workshop:

* Maximize the vSAN datastore usable capacity.

* Deduplication and compression are required to help utilize available capacity efficiency.

* Ensure the highest level of resiliency wherever possible.

Which disk group configuration should the architect include in the design?

A.

One disk group per host, with one cache tier flash disk and four capacity tier flash disks.

B.

Two disk groups per host, each with one cache tier flash disk and four capacity tier flash disks.

C.

Two disk groups per host, each with one cache tier flash disk and six capacity tier flash disks.

D.

Two disk groups per host, each with one cache tier flash disk and six capacity tier magnetic disks.

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Question # 14

An administrator is planning to deploy workloads on a six node vSAN cluster, and all nodes are distributed equally across three racks.

Which action is required to ensure that the workload VMs remain compliant with the default vSAN policy after a complete rack failure?

A.

Add an additional rack with two hosts, and configure vSAN with four fault domains and FTT=1 (erasure coding).

B.

Add two additional hosts per rack, and configure vSAN with three fault domains and FTT=1.

C.

Add an additional host per rack, and configure vSAN with three fault domains and FTT=2.

D.

Add an additional rack with two hosts, and configure vSAN with four fault domains and FTT=1 (mirroring).

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Question # 15

An architect is tasked to design a VMware Horizon Solution with vSAN. The architect needs to use a solution to host the user’s profile shares in a highly available manner, and it must be guest OS independent.

Which solution will match these requirements?

A.

Cluster out of the box

B.

Cluster in a box

C.

NFS on vSAN

D.

iSCSI on vSAN

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Question # 16

Due to an update in their security requirements, an organization is no longer compliant because the metadata traffic between hosts in their vSAN cluster is not being encrypted.

Which step must be taken by the administrator to meet the new security requirements?

A.

Enable vMotion encryption on the vSAN cluster.

B.

Enable virtual machine encryption on the vSAN cluster.

C.

Enable Data-At-Rest Encryption on the vSAN cluster.

D.

Enable Data-In-Transit Encryption on the vSAN cluster.

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Question # 17

An administrator has received an alert indicating that a single capacity device is close to failing within the production vSAN Cluster. The administrator must now complete preemptive maintenance on the vSAN Cluster without impacting the availability of workloads or vSAN File Services.

The following information is known about the vSAN Cluster:

* vSAN 7.x Cluster

* vSAN node count: 8

* De-Duplication and Compression: Enabled.

* Encryption: Disabled

* Current Utilization: 45%

* Disk Groups: 2

* Devices per node: 2 x 400 GB SSD, 6 x 1.8 TB SSD

Which three steps should the administrator take to successfully complete the task? (Choose three.)

A.

Remove the affected Disk Group from the vSAN Cluster, and choose Full Data Migration.

B.

Replace the failed disk with a storage device that is identical in class and capacity.

C.

Remove the affected Disk Group from the vSAN Cluster, and choose No Data Migration.

D.

Replace the failed disk with a storage device that is identical in class but smaller in capacity.

E.

Put the affected vSAN host into maintenance mode to physically replace the storage device.

F.

Remove the affected Disk from the Disk Group, and choose Full Data Migration.

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Question # 18

* Highest possible mitigation during a host failure in terms of capacity.

* A constraint in this year’s IT budget.

What should the architect recommend?

A.

Enable operations reserve.

A minimum cluster of 3 vSAN nodes.

B.

Enable host build reserve.

A minimum cluster of 4 vSAN nodes.

C.

Enable performance services.

A minimum cluster of 6 vSAN nodes.

D.

Enable IOInsight Metrics.

A minimum cluster of 2 vSAN ROBO nodes.

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Question # 19

An architect is working with an All-Flash vSAN configuration and will be using the Flash Caching Devices in vSAN.

Which requirement is specifically needed for these devices?

A.

Write endurance

B.

IOPS

C.

Read endurance

D.

Capacity

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