2V0-21.19 sample questions

Question 1

An administrator runs a vSphere cluster containing database VMs with extremely heavy disk I/O. Database VMs are placed on a costly all-flash array. The workloads are not memory intensive. How can the administrator ensure the most cost-effective utilization of the all-flash storage array?

Accepted Answer

Edit the cluster settings to place the virtual machine swap file on a different storage tier.

Answer

Enable Storage I/O Control on the flash datastores.

Answer

Install VMware Tools on the database VMs to ensure the hypervisor can receive I/O metrics.

Answer

Use a VM-to-Host affinity rule to ensure database VMs are prioritized.

Question 2

An administrator has an environment with these conditions and requirements: The host provides 6GHz of CPU and 32GB of memory The host is shared between the Marketing and QA departments The QA department needs a higher compute resource priority How can the administrator meet the conditions and requirements?

Accepted Answer

Create a resource pool for each department and use the Shares attribute to prioritize the allocation of resources.

Answer

Adjust NIOC or SIOC as appropriate to give the QA department a higher compute priority within the cluster.

Answer

Assign affinity or anti-affinity rules to the appropriate VMs for each department.

Answer

Set the VM priority to high for QA department VMs and normal for Marketing department VMs.

Question 3

What is a benefit of using resource pools?

Accepted Answer

Increased ease of reserving resources for a set of VMs

Answer

Increased visibility of user activity

Answer

Increased vMotion efficiency for a set of VMs

Answer

Increased accuracy for proactive HA for a set of hosts

Question 4

This error is generated when a vSphere administrator takes a VM snapshot: An error occurred while taking a snapshot: Failed to quiesce the virtual machine What should the administrator investigate to determine the cause of the failure?

Accepted Answer

Check if VMware Tools is installed on virtual machine.

Answer

Check if the virtual machine is already running on snapshots.

Answer

Check if the virtual machine is in suspended state.

Answer

Check if the virtual machine has an ISO mounted.

Question 5

A vSphere administrator is working in a high security environment. The administrator wants to ensure unencrypted VMs can be migrated securely. What should the vSphere administrator use to meet this requirement?

Accepted Answer

encrypted vSphere vMotion

Answer

vTPM

Answer

UEFI Secure Boot

Answer

KMS server

Question 6

For security reasons the VMware vSphere Update Manager (VUM) has no Internet access. What can be used to provide a central shared repository in a DMZ?

Accepted Answer

VMware vSphere Update Manager Download Service

Answer

vSphere Authentication Proxy

Answer

VMware content library

Answer

vCenter Server Appliance

2V0-21.19 Sample Questions & Answers

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2V0-21.19 Sample Questions & Answers

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