VMware VMware Certifications 5V0-21.19 Questions & Answers

• Question 21:

  The vSphere Client reports that the state of some components stored on the vSAN datastore are in the Reconfiguring state.

  What causes components to enter this state?

  A. The cluster is recovering from a vSAN failure.

  B. A host in the cluster enters maintenance mode.

  C. The storage policy associated with the components is changed or modified.

  D. Additional storage capacity is added to the cluster.

  Correct Answer: C

• Question 22:

  vSAN identifies a dying disk.

  When is operator action required to provide data protection?

  A. when the cluster lacks resources

  B. when vSAN Health service is disabled

  C. when an object storage policy uses erasure coding

  D. when an object storage policy uses FTT=3

  Correct Answer: B

• Question 23:

  The data on a failed disk group is being rebuilt on other disk groups. Negative performance impact to VMs is being reported.

  What can be used to reduce the negative performance impact on the VMs?

  A. resync throttling

  B. maintenance mode

  C. proactive rebalance

  D. disk group data evacuation

  Correct Answer: C

• Question 24:

  Where are the performance metrics for Write Buffer Free percentage located?

  A. host level vSAN performance metrics

  B. vSAN capacity graphs

  C. vSAN Health Check

  D. cluster level vSAN performance metrics

  Correct Answer: D

  Reference: https://docs.vmware.com/en/vRealize-Operations-Manager/8.0/com.vmware.vcom.core.doc/

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• Question 25:

  Which two group types are used to determine capacity breakdown in a vSAN datastore? (Choose two.)

  A. network

  B. CPU

  C. data

  D. memory

  E. object

  Correct Answer: CE

  Reference: http://www.virtualizationblog.com/vmware-vsan-capacity-management-and-utilization/

• Question 26:

  A virtual machine is unable to access one of its virtual disks.

  Which vSAN Health check should an administrator view to troubleshoot the issue?

  A. Data > vSAN Object Health

  B. Cluster > vSAN CLOMD Liveness

  C. Cluster > Disk Format Version

  D. Limits > vSAN Component Limit

  Correct Answer: A

• Question 27:

  What is the formula for determining the minimum number of vSAN hosts in a cluster necessary to support a Failures To Tolerate (FTT) policy, where FTT=n?

  A. n+1

  B. n+2

  C. 2n+1

  D. 2n+2

  Correct Answer: C

  To tolerate n failures, you need 2n + 1 ESXi host in the vSAN cluster. Reference: https://searchvmware.techtarget.com/answer/How-can-a-VM-storage-policy-improve-vSANcluster-redundancy

• Question 28:

  An administrator is configuring vSAN Encryption on an existing hybrid cluster. During the configuration, the administrator is unable to see any information for the Key Management Server (KMS) cluster in the dropdown menu.

  What is necessary for the KMS cluster options to populate?

  A. vSAN encryption requires all-flash configurations.

  B. vSAN encryption needs to be enabled during the creation of a new vSAN cluster.

  C. The Key Management Server needs to be added to vCenter.

  D. vSAN encryption is enabled at the VM level by storage policies.

  Correct Answer: C

• Question 29:

  Which two pre-checks should be taken prior to starting a vSAN upgrade? (Choose two.)

  A. disable deduplication/compression

  B. upgrade VMware Tools

  C. verify vSAN Health

  D. upgrade vCenter Server

  E. upgrade virtual hardware

  Correct Answer: CD

  Reference: https://kb.vmware.com/s/article/2146381

• Question 30:

  How are components marked on a capacity device that is inaccessible?

  A. reduced availability

  B. active-stale

  C. degraded

  D. absent

  Correct Answer: C

  The vSAN components that reside on the magnetic disk or flash capacity device are marked as degraded. Reference: https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.virtualsan.doc/GUID9A2DCE0B-CFA1-41C1-97CE-DA56A55426EA.html