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Total 19 questions
Exam Code: 5V0-21.21                Update: Oct 15, 2025
Exam Name: VMware HCI Master Specialist

VMware VMware HCI Master Specialist 5V0-21.21 Exam Dumps: Updated Questions & Answers (October 2025)

Question # 1

An administrator is setting up vSAN file services on a vSAN cluster but is unable to join the vSAN File Services to the domain.

Which two possible reasons could explain this failure? (Choose two.)

A.

A read-only domain controller was being used.

B.

The administrator did not pre-create a dedicated organizational unit in Active Directory.

C.

The administrator wanted to register the file services to a sub-domain.

D.

The administrator was using IP addresses from an IP pool.

E.

The administrator was using pre-created computer objects for the file services in the Active Directory.

Question # 2

An administrator wants to deploy a desktop and application virtualization solution on top of vSAN.

Which VMware product should the administrator install?

A.

VMware Dynamic Environment Manager

B.

VMware Horizon Apps

C.

VMware Workspace One Access

D.

VMware Horizon

Question # 3

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 # 4

Which three steps are required to decommission a stretched cluster and convert it to a standard vSAN cluster? (Choose three.)

A.

Reinstall the ESXi hosts

B.

Remove the Fault Domain configuration

C.

Remove the vSAN partition schema on the disk groups

D.

Delete the witness host VM

E.

Repair the cluster objects

F.

Disable and remove the stretched cluster

Question # 5

An architect is designing for a production vSAN cluster, and the customer introduced these requirements related to File Services: A minimum of 12 files shares. 30TB NFS capacity to mount workload VMs.

What should be the architect’s recommendations?

A.

Point out the risks regarding putting the hosts in maintenance mode in terms of FSVM.

B.

Confirm on all of the requirements and move forward with the physical design.

C.

Raise concerns regarding support when running VMs on an NFS share as risk.

D.

Highlight the required number of nodes required for the vSAN cluster as a constraint.

Question # 6

An administrator has an absent capacity disk.

Which action, if any, should the administrator take to resolve the problem?

A.

Wait, and vSAN will rebuild it.

B.

Replace the faulty disk.

C.

Replace the faulty host.

D.

Verify the host is not isolated.

Question # 7

An administrator notes that the Data-At-Rest Encryption keys have expired.

Which action is needed to resolve this situation?

A.

Add a new Standard Key Provider at the vSAN cluster level

B.

Generate new encryptions keys at the vSAN cluster level

C.

Add an additional KMS at the vCenter server level

D.

Generate new encryptions keys at the vCenter server level

Question # 8

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

Question # 9

An administrator has noticed that a number of the virtual machines in the preferred site are showing as either failed or partitioned.

In which two ways would the administrator expect the virtual machines to respond? (Choose two.)

A.

They will be disconnected.

B.

They will be restarted in the secondary site.

C.

They will be restarted at the preferred site.

D.

They will be powered off.

E.

They will be removed from inventory.

Question # 10

An architect is tasked with designing a solution that includes the following requirements:

• The solution must support 5,000 virtual machines.

• The solution must include software defined storage.

• The deployment of the solution must be automated.

• The solution must provide storage-policy based disaster recovery for all workloads.

Which combination of three products will fulfill these requirements? (Choose three.)

A.

VMware Site Recovery Manager

B.

VMware Cloud Foundation

C.

VMware vRealize Automation

D.

VMware ESXi

E.

VMware vSAN

F.

VMware vSphere Replication

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Total 19 questions

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