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2V0-21.20 VMware Professional VMware vSphere 7.x Free Practice Exam Questions (2025 Updated)

Prepare effectively for your VMware 2V0-21.20 Professional VMware vSphere 7.x certification with our extensive collection of free, high-quality practice questions. Each question is designed to mirror the actual exam format and objectives, complete with comprehensive answers and detailed explanations. Our materials are regularly updated for 2025, ensuring you have the most current resources to build confidence and succeed on your first attempt.

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Total 109 questions

What is a minimum disk controller requirement for VMware vSAN? (Choose the best answer.)

A.

A disk controller in JBOD mode

B.

A disk controller in pass-through or RAID 1 mode

C.

A disk controller in pass-through or RAID 5 mode

D.

A disk controller in pass-through or RAID 0 mode

An administrator sees a virtual machine message that reads, “Consolidation is required” in the vSphere Client.

Which action does ESXi take when the administrator completes snapshot consolidation? (Choose the best answer.)

A.

Collapses all snapshots in the current snapshot tree

B.

Commits redundant delta disks to the base disk

C.

Collapses all snapshots into a single snapshot

D.

Deletes all snapshots without committing to the base disk

Refer to the exhibit.

An administrator is consistently receiving an alarm regarding a CPU performance issue; however, there is NO CPU issue identified.

What can the administrator do to make sure the alarm is triggered when there is an actual CPU performance issue? (Choose the best answer.)

A.

Change ‘VM CPU Ready Time’ to ‘VM Memory Usage.’

B.

Change ‘Show as Critical’ to ‘Show as Warning.’

C.

Change ‘VM CPU Ready Time’ to ‘VM CPU Usage.’

D.

Change ‘is below’ to ‘is above.’

An administrator is asked to take a snapshot of a virtual machine prior to an application upgrade. The virtual machine has one standard virtual machine disk (VMDK) and one physical mode raw device mapping (RDM) attached.

Which statement is true with regard to taking this snapshot? (Choose the best answer.)

A.

The administrator will be unable to snapshot the RDM.

B.

The administrator will be able to snapshot the standard VMDK in independent persistent mode.

C.

The administrator will be able to snapshot the RDM in independent persistent mode.

D.

The administrator will be able to snapshot both disks.

Which two VMware features are supported in a virtual machine using Intel Software Guard Extensions (Intel SGX) technology? (Choose two.)

A.

Fault tolerance

B.

vSphere vMotion

C.

VM encryption

D.

Virtual machine suspend and resume

E.

Storage I/O Control

How does vSphere handle memory allocation during the instant clone process? (Choose the best answer.)

A.

The first child virtual machine serves as a memory snapshot for any subsequent child virtual machines.

B.

An identical clone of the parent virtual machine’s memory is created for each child virtual machine

C.

Memory is shared among all child virtual machines using a delta disk.

D.

A unique memory pool is created per child virtual machine using copy-on-write.

An administrator wants to ensure that when virtual machines (VMs) are powered on, Distributed Resource Scheduler (DRS) places them on the best-suited host. When the cluster becomes imbalanced, the administrator wants DRS to display recommendations for manual VM migration.

Which DRS automation level should the administrator select? (Choose the best answer.)

A.

Manual

B.

Partially automated

C.

Fully automated

D.

Disabled

An administrator places a 300 GB virtual machine named “Finance1” on a 2 TB datastore containing other virtual machines. After virtual machine placement, the datastore has 200 GB of free space. The accounting department takes a nightly snapshot of Finance1, then deletes the previous snapshot. The administrator is concerned about snapshots filling the datastore.

Which statement is true regarding snapshots? (Choose the best answer.)

A.

The snapshots on Finance1 cannot outgrow the datastore in less than 24 hours.

B.

Any snapshot on Finance1 has the potential to fill the datastore to capacity.

C.

vCenter Server will not allow snapshots to fill the datastore beyond 95%.

D.

The snapshots on Finance1 will be automatically committed if SEsparse format is used.

An administrator is investigating the reason for a virtual machine restarting. In the vmware.log file, the administrator finds the following error:

What is a likely cause of this virtual machine restart? (Choose the best answer.)

A.

Guest operating system fault

B.

User or API request to shut down guest operating system

C.

High Availability

D.

User or API request to restart guest operating system

An administrator wants to be able to log in to the vSphere Client and view the inventories of two vCenter Server instances.

What must the administrator do to meet this requirement? (Choose the best answer.)

A.

Configure Enhanced Linked Mode on each vCenter Server instance after deployment is complete.

B.

Connect each vCenter Server instance to the same vCenter Single Sign-On domain during deployment.

C.

Connect each vCenter Server instance to the same vCenter Single Sign-On domain using the vSphere Client.

D.

Configure the vCenter Server Management Interface to view both vCenter Server instances.

Which step is required when adding an existing hard disk that is configured as a boot disk during virtual machine creation? (Choose the best answer.)

A.

Enable Secure Boot.

B.

Select ‘RDM Disk’ from the ‘Add New Device’ drop-down menu.

C.

Remove the existing disk before adding the boot disk.

D.

Set the boot delay to at least 5,000 milliseconds.

An administrator wants to enable bandwidth allocation for workloads by using Network I/O Control.

What should the administrator configure to accomplish this? (Choose the best answer.)

A.

Management traffic

B.

Virtual machine traffic

C.

Load-balancing

D.

NIC teaming policy

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Total 109 questions
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