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VMware 5V0-21.21 free practice questions

All exam answers are available at the end of the article

QUESTION 1

Upon investigating a workload performance issue, a vSAN administrator observed a high backend IOPs on a vSAN cluster.

Which two causes explain this behavior? (Choose two.)

A. The cluster DRS threshold has been set to Aggressive.
B. There is a vSAN node failure.
C. The vSAN Resync throttling is enabled.
D. The object repair timer value has been increased.
E. The vSAN policy protection level has changed from FTT=0 to FTT=1.

Reference: https://core.vmware.com/resource/troubleshooting-vsan-performance#_Toc536646878

 

QUESTION 2

An administrator has been tasked to reboot a node in an encrypted vSAN cluster.

The vSAN disk groups on that node become locked after rebooting the node.

Which step should be performed to exit the locked state?

A. Manually replace the Host Encryption Key (HEK) of each affected host.
B. Restore the communication with the KMS server, and re-establish the trust relationship.
C. Replace the caching device in each affected disk group.
D. Run /etc/init.d/vsanvpd restart to rescan the VASA providers.

 

QUESTION 3

A 4-node vSAN cluster is configured with an erasure coding storage policy.

The Ensure Accessibility maintenance mode was selected.

While performing the maintenance, a second node fails.

What will be the impact on the vSAN cluster?

A. There will be no impact on performance.
B. The VMs will no longer be accessible.
C. The performance will be degraded.
D. The VMs will be in a suspended state.

Reference: https://docs.vmware.com/en/VMware-vSphere/6.7/com.vmware.vsphere.virtualsan.doc/GUID521EA4BCE411-47D4-899A-5E0264469866.html

 

QUESTION 4

Due to the success of the recently deployed developer-only private cloud solution, a company has a new requirement to at least double the usable capacity in their all-flash vSAN cluster.

The vSAN cluster is deployed into a co-located datacenter that is owned by a third-party hosting company.

The hosting company charges a fixed monthly cost for rack space and power consumption.

The service owner has been given a limited budget for additional hardware purchases, but not for on-going co-location costs.

The current vSAN cluster has the following configuration: 10 vSAN Nodes with 2 CPUs (20 cores), 512 GB RAM 1 Disk Group per vSAN node

-1 x 400 GB
-4 x 1.8 TB

De-duplication and Compression is enabled.

vSAN Capacity is currently:

-Total: 72 TB
-Usable: ~40 TB (FTT1/RAID1) and ~60 TB (FTT1/RAID5).

As a result of any action taken, the service owner would like to ensure that overall availability of the vSAN cluster is increased.

Which two recommendations meet the requirement to increase capacity while maintaining service availability? (Choose
two.)

A. Install an additional 400 GB SSD and 4 x 1.8 TB SSDs per vSAN node.
B. Update the existing Disk Group, and claim the newly installed drives for each node.
C. Create a new Disk Group, and claim the newly installed cache and capacity SSD drives for each node.
D. Install an additional 3 x 1.8 TB SSDs per vSAN node.
E. Replace existing SSDs with an 800 GB SSD and 4 x 3.8 TB SSDs per vSAN node.

 

QUESTION 5

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 acomplete 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).

 

QUESTION 6

An administrator is setting up vSAN file services on a vSAN cluster.

Which two security policies on the distributed port groups are automatically enabled in the process? (Choose two.)

A. Forged Transmits
B. Promiscuous Mode
C. DVFiltering
D. Jumbo Frames
E. MacLearning

Reference: https://www.yellow-bricks.com/2020/04/15/vsan-file-services-considerations/

 

QUESTION 7

In a stretched vSAN cluster, how is Read Locality established after fail over to the secondary site?

A. 100% of the reads comes from vSAN hosts on the local site
B. 50% of the reads comes from vSAN hosts on the local site
C. 100% of the reads comes from vSAN hosts on the remote site
D. 50% of the reads comes from vSAN hosts on the remote site

Reference: https://www.vmware.com/files/pdf/products/vsan/vmware-virtual-san-6.1-stretched-clusterguide.pdf (45)

 

QUESTION 8

After a vSAN Witness Appliance network configuration, the vSAN administrator notices that vSAN traffic flows from vmk0 (Management Traffic) rather than vmk1 (vSAN Traffic).

Which step should be taken to resolve this issue?

A. Configure vmk0 with IP address on the same range as that of vmk1.
B. Tag the vmk0 for vSAN traffic.
C. Configure vmk1 with IP address on the different network than that of vmk0.
D. Tag the vmk1 for Witness traffic.

If both vmk0 and vmk1 are configured on the same range, a multihoming condition will occur and vSAN traffic will flow from vmk0, rather than vmk1.

Reference: http://www.vmwarearena.com/vsan-stretched-cluster-how-to-configure-vsan-witnessappliance/

 

QUESTION 9

An organization has two vSAN clusters managed by the same vCenter Server, each providing 100TB of storage. The
first cluster runs at 75% of its storage capacity, and the second cluster runs at 50% of its storage capacity.

The company also has the following:

An iSCSI array of 300TB. which runs at 76% of its capacity A NAS system of 200TB, which runs at 10% of its capacity A
Fiber channel (FC) array of 300TB, which runs at 80% of its capacity. The administrator is asked to add an additional 25TB of storage to the first cluster. The administrator is also made aware that there is no budget to purchase new hardware and that the vSAN Storage Policy Based Management must be kept in place.

Which storage option will work for this use case?

A. Create an HCI Mesh using the first cluster\\’s datastore.
B. Obtain additional free capacity from the existing NAS storage.
C. Obtain additional free capacity from the existing FC storage.
D. Create an HCI Mesh using the second cluster\\’s datastore.

 

QUESTION 10

An administrator is tasked to create a custom storage policy for workloads and is including additional disk stripes while defining the storage policy.

What is the main purpose of this practice?

A. To increase available storage space
B. To set a failure tolerance
C. To improve performance
D. To reconstruct corrupted data

 

QUESTION 11

A company has engaged a consultant to upgrade an existing vSAN cluster to vSAN 7.0 U1. The company wants to ensure that the same vSAN process can be used in the future.

During the discovery phase, the consultant found the following information about the existing environment:
The vCenter Server is currently version 7.0.

The vSAN Cluster has the following configuration:

-vSAN version: 7.0
-Number of vSAN nodes: 6
-Encryption: enabled
-Deduplication and Compression: enabled
-Fault Domains: 1
-vSAN Capacity Utilization: 60% Each vSAN node has the following configuration:
-ESXi version: VMware vSphere 7.0
-CPU: 2 processors, 20 cores
-RAM: 1024GB RAM.
-Disk: 2 Cache SSDs and 6 Capacity SSDs
-Network: 4 x 10GbE All current hardware (which is from a single vendor) is listed on the vSAN Compatibility Guide for
vSAN 7.

Which three recommendations should the consultant make to ensure that the vSAN cluster upgrade is completed?
(Choose three.)

A. Upgrade all vSAN nodes to VMware vSphere 7.0 U1 using the baselines capability within VMware Update Manager
(VUM).
B. Disable vSAN Encryption before starting the upgrade process.
C. Upgrade all vSAN nodes to VMware vSphere 7.0 U1 using the images capability within VMware Update Manager
(VUM).
D. Set VMware Distributed Resource Scheduling (DRS) to partially automated.
E. Upgrade to VMware vCenter Server 7.0 U1.
F. Choose the Allow reduced redundancy option.

 

QUESTION 12

An administrator managing a vSAN cluster of six-nodes with policy FTT-2/RAID-6 decided to put one of the nodes in
maintenance mode using the “Full-data migration” option.

What will happen after this action is taken?

A. The host will enter in maintenance mode and the data will remain accessible until the host exits maintenance mode.
B. The system will prompt to add an additional host to the cluster in order to preserve the policy compliance.
C. The host will enter in maintenance mode and only data with no redundancy will remain accessible.
D. The host will enter into maintenance mode if both components of a certain object are residing on that host, then one of the components will be moved to another available host.

Reference: https://blogs.vmware.com/virtualblocks/2020/02/06/what-happens-vsan-host-in-maintenancemode/

 

QUESTION 13

An administrator is tasked with migrating a VMware Horizon View environment that is currently running on an NFS
Datastore to VMware vSAN.

Which Horizon configuration option will not be available when configuring vSAN in Horizon View?

A. Instant Clones
B. Linked Clones
C. Storage Tiers
D. Storage Profiles

Announce the answer:

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