VMware VMware Certifications 5V0-21.19 Questions & Answers

• Question 61:

  Refer to the exhibit.

  

  In a 2-node vSAN environment, a storage administrator has setup a vSAN storage policy.

  When the stripe width is changed to three, what is the approximate component size of each replica marked

  in red?

  A. 33GB

  B. 50GB

  C. 66GB

  D. 100GB

  Correct Answer: D

• Question 62:

  A new vSAN cluster needs to run 900 VMs and protect against one failure. What is the minimum number of nodes needed to meet the requirement?

  A. 3

  B. 4

  C. 5

  D. 6

  Correct Answer: A

• Question 63:

  An architect is asked to design a vSAN cluster with these requirements: -Supports erasure coding storage policy -Minimized inaccessibility from single device failures -Ability to re-protect data after a failure The desired configuration should be able to survive a single failure.

  Which configuration satisfies the design requirements?

  A. 3-node hybrid vSAN cluster

  B. 4-node hybrid vSAN cluster

  C. 4-node all-flash vSAN cluster

  D. 5-node all-flash vSAN cluster

  Correct Answer: C

• Question 64:

  What is a mandatory requirement for a vSAN stretched cluster?

  A. Two witness hosts protected by vSphere Fault Tolerance

  B. Minimum of two guaranteed lines of 10Gbps bandwidth

  C. vSphere Replication configured between the data sites

  D. Latency between data sites must be less than or equal to 5ms

  Correct Answer: D

  Reference: https://vsan-essentials.gitbooks.io/vsan-6-2/content/chapter8.html

• Question 65:

  When using vSAN Encryption, where does the Key Encryption Key persistently reside?

  A. in /etc/vmware/ssl on each vSAN host

  B. in the KMS server

  C. in a VM configuration file on vSAN

  D. in the vCenter Server cache

  Correct Answer: C

  Reference: https://blogs.vmware.com/virtualblocks/2018/07/13/understanding-ve-booting-w-vc-unavailable/

• Question 66:

  An administrator of a vSAN 6.5 environment is planning a path to move to unicast for the vSAN network. How will the administrator achieve this?

  A. Enable LACP on vSAN switch ports.

  B. Upgrade vCenter and vSAN nodes to vSAN 6.6 or later.

  C. Enable unicast on the vSAN interfaces.

  D. Disable multicast for vSAN using ESXCLI commands.

  Correct Answer: B

• Question 67:

  The cluster level backend IOPS performance graph shows a higher-than-average number of IOPS. What is a possible reason for this?

  A. Data resynchronizations

  B. Low volume of vSAN vital memory pools

  C. DRS invoking multiple vMotion migrations

  D. Destaging congestion

  Correct Answer: A

  Reference: https://kb.vmware.com/s/article/2144493

• Question 68:

  Which default VMware vSphere High Availability cluster setting must be changed when using a vSAN stretched cluster?

  A. Datastore with All Paths Down

  B. Datastore with Permanent Device Loss

  C. Response for Host Isolation

  D. Enable Host Monitoring

  Correct Answer: D

  Reference: https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.virtualsan.doc/GUIDD68890D8-841A-4BD1-ACA1-DA3D25B6A37A.html

• Question 69:

  vSAN is configured with a storage policy with a Failures To Tolerate (FTT) set to three. Which type of redundancy is being used?

  A. RAID-0 (Striping)

  B. RAID-1 (Mirroring)

  C. RAID-6 (Erasure Coding)

  D. RAID-5 (Erasure Coding)

  Correct Answer: B

  Reference: https://www.sbarjatiya.com/notes_wiki/index.php/About_VSAN_6.6

• Question 70:

  Which storage policy action results in a component resync?

  A. Enabling object checksum

  B. Changing object space reservation to thick provisioning

  C. Adding an IOPS Limit rule to a storage policy

  D. Changing the failure tolerance method

  Correct Answer: D