VMware VMware Certifications 5V0-21.19 Questions & Answers

• Question 81:

  End-users are complaining that an application running on an all-flash vSAN datastore is not performing well.

  Which performance chart should an administrator view to troubleshoot this issue?

  A. Recovery Write IOPS

  B. Resync Latency

  C. Read Cache Read IOPS

  D. Write Buffer Free Percentage

  Correct Answer: C

  Reference: https://docs.vmware.com/en/VMware-vSphere/6.7/vsan-673-monitoring-troubleshootingguide.pdf

• Question 82:

  Which two conditions should be verified before removing the ESXi host from a vSAN cluster? (Choose two.)

  A. Data evacuation is complete.

  B. Encryption is disabled.

  C. ESXi host is in maintenance mode.

  D. Resyncs are running.

  E. All objects are currently healthy.

  Correct Answer: CE

  Reference: https://vsan-essentials.gitbooks.io/vsan-6-2/content/chapter7.html

• Question 83:

  Which VM file type resides in the VM home namespace object on a vSAN datastore?

  A. .vswp

  B. .vmsn

  C. .vmx

  D. .vmem

  Correct Answer: C

  Reference: https://vsan-essentials.gitbooks.io/vsan-6-2/content/chapter6.html

• Question 84:

  In a 10-node hybrid vSAN cluster, each node has seven 4TB magnetic disks and one 2TB SSD. What is the raw storage capacity of the vSAN datastore?

  A. 140TB

  B. 150TB

  C. 280 TB

  D. 300 TB

  Correct Answer: C

• Question 85:

  Refer to the exhibit.

  

  A solution architect is setting up a highly resilient vSAN hybrid cluster. Why is the cache incorrectly sized in this configuration?

  A. Cache disk needs to meet vSAN Compatibility Guide

  B. Cache-to-capacity ratio needs to be sized lower

  C. Cache-to-capacity ratio needs to be sized higher

  D. Number of cache disks in disk group is insufficient.

  Correct Answer: D

• Question 86:

  vCenter Server is offline.

  What are two ways to check the health of a vSAN cluster? (Choose two.)

  A. ESXi system logs on vSAN datastore

  B. vSphere Host Client

  C. esxcli

  D. HCIBench

  E. esxtop

  Correct Answer: BC

  Reference: https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.security.doc/GUID6C181D08-6650-4AD1-92D1-AAFDA3A3E38C.html

• Question 87:

  What are two purposes of a vSAN storage policy? (Choose two.)

  A. Determine how storage objects are provisioned

  B. Determine vSAN encryption level

  C. Guarantee the required level of service

  D. Enable deduplication and compression

  E. Enable TRIM/UNMAP

  Correct Answer: AC

  Reference: http://www.vmwarearena.com/understanding-vmware-virtual-san-storage-policies-detailedview/

• Question 88:

  An administrator wishes to prevent notifications of vSAN Health status during a scheduled maintenance

  window.

  What can be done to achieve this?

  A. Disable SNMP service

  B. Disable the performance service

  C. Run performance diagnostics prior to scheduled maintenance

  D. Silence the alert from the HTML client

  Correct Answer: A

• Question 89:

  An administrator is planning to deploy a new vSAN cluster with these requirements: -Physical adapters will share capacity among several traffic types -Guaranteed bandwidth for vSAN during bandwidth contention -Enhanced security and performance

  What must be considered when configuring the new vSAN cluster?

  A. Isolate traffic in a VLAN and utilize Network I/O Control

  B. Utilize IOPS Limit rules in storage policies

  C. Utilize jumbo frames with Network I/O Control

  D. Implement vSphere I/O filters

  Correct Answer: A

  Reference: https://docs.vmware.com/en/VMware-vSphere/6.7/com.vmware.vsphere.vsan-planning.doc/ GUID-031F9637-EE29-4684-8644-7A93B9FD8D7B.html

• Question 90:

  A 3-node vSAN cluster will take which two actions, when a drive is physically removed from a vSAN node? (Choose two.)

  A. Marks all components on that device as absent

  B. Marks all components on that device as degraded

  C. Waits for the configured delay timer before rebuild

  D. Marks all components on that device as stale

  E. Starts component rebuild immediately

  Correct Answer: AC

  Reference: https://storagehub.vmware.com/t/vmware-vsan/vsan-6-7-proof-of-concept-guide/disk-failures-9/