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2V0-21.20 Professional VMware vSphere 7.x Question and Answers

Question # 4

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.

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Question # 5

A new vSphere 7.0 environment is deployed with the following:

  • A single vCenter Server
  • Two vSAN clusters
  • A vSAN default storage policy

Which statement is true regarding virtual disk availability in this environment? (Choose the best answer.)

A.

Replicas will be placed on different disk groups but can be placed on the same host.

B.

All stripes will be placed on different disk groups and cannot be placed on the same host.

C.

Each virtual disk will have four replicas of data.

D.

Each virtual disk will have two replicas of data.

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Question # 6

An administrator wants to be able to send vCenter Server log files to a remote syslog server and analyze logs using vRealize Log Insight.

Which step must the administrator take to meet this requirement? (Choose the best answer.)

A.

Configure the vCenter Server logging options using the vSphere Client.

B.

Specify the remote syslog server name at deployment using the vCenter Server GUI Installer.

C.

Specify the vRealize Log Insight system name using the vSphere Client.

D.

Configure log file forwarding using the vCenter Server Management Interface.

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Question # 7

An administrator is tasked with upgrading an existing vSphere environment to version 7.0. There are existing VMFS3 and VMFS5 datastores in the environment.

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

A.

An ESXi 7.0 host will NOT recognize a VMFS3 datastore.

B.

VMFS3 is supported with ESXi 7.0 to store boot configurations only.

C.

A VMFS5 datastore CANNOT be upgraded; a new VMFS6 datastore is required.

D.

An ESXi 7.0 host can automatically upgrade a VMFS5 datastore.

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Question # 8

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.’

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Question # 9

Which local only host utility is used for primary, real-time performance monitoring in vSphere? (Choose the best answer.)

A.

resxtop

B.

top

C.

esxtop

D.

vSphere Command-Line Interface (CLI)

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Question # 10

Which two storage technologies can an administrator use to deploy the Virtual Machine File System (VMFS)? (Choose two.)

A.

Fibre Channel storage

B.

vSAN storage

C.

Virtual Volumes storage

D.

NFS storage

E.

iSCSI storage

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Question # 11

A vSphere environment is configured with 1 Gigabit Ethernet for vSphere vMotion. The application team is complaining that when they try to migrate a powered-on virtual machine, the progress is slow and unsuccessful the majority of the time.

Which two recommendations should the administrator make to improve vSphere vMotion performance? (Choose two.)

A.

Use at least two port groups.

B.

Use vSphere Storage I/O Control (SIOC).

C.

Use 10 Gigabit Ethernet or above.

D.

Use Link Aggregation Control Protocol (LACP) on the port group.

E.

Disable vSphere Fault Tolerance.

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Question # 12

Which feature can an administrator use for site availability with minimal effort and a low recovery point objective (RPO)? (Choose the best answer.)

A.

vSphere vMotion

B.

vSphere High Availability

C.

vSphere Replication

D.

vSphere Fault Tolerance

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Question # 13

Refer to the exhibit.

What does the %RDY for the Win1 virtual machine indicate? (Choose the best answer.)

A.

High CPU wait time

B.

Low CPU usage

C.

High CPU contention

D.

Low CPU contention

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Question # 14

Which tool is used to monitor the free space in the vCenter Server database? (Choose the best answer.)

A.

esxtop

B.

df

C.

vimtop

D.

vmstat

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Question # 15

What is the minimum CPU core requirement for successful installation, or upgrade, or ESXi on a host? (Choose the best answer.)

A.

8

B.

1

C.

32

D.

2

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Question # 16

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.

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