VMware 5V0-21.19 Online Practice Questions and Exam Preparation

VMware 5V0-21.19 Online Questions & Answers

• Question 1:

  What is the maximum number of failures an object can tolerate with RAID-6?

  A. 2
  B. 3
  C. 4
  D. 6
  A. 2

  ---

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

• Question 2:

  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
  A. Marks all components on that device as absent
  C. Waits for the configured delay timer before rebuild

  ---

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

• Question 3:

  A vSAN all-flash environment with these host specifications has reported high network latency, write latency, and faces degraded performance:

  One 1Gbps (vSAN, vMotion Traffic)

  One 1Gbps (Management, Fault Tolerance traffic)

  Based on the specifications of each host, what is recommended to resolve the issue?

  A. collapse all traffic into one 1Gbps NIC
  B. collapse all traffic shared under two 10Gbps NICs
  C. change stripe width to 12
  D. change MTU to 9000
  B. collapse all traffic shared under two 10Gbps NICs

• Question 4:

  Refer to the red question mark in the exhibit.

  

  When designing a 2-node vSAN cluster, which missing configuration requirement prevents a split-brain scenario?

  A. vRealize Operations Manager
  B. vSAN Witness Host
  C. vCenter Server
  D. vRealize Log Insight
  B. vSAN Witness Host

  ---

  Reference: https://storagehub.vmware.com/static/media/9352db50-6eef-45c8-9646-8ccf2175e59b.pdf

• Question 5:

  An administrator has discovered that space utilized by VMs does not decrease after deleting files and folders within the VMs. The administrator needs to be able to reclaim this space. Which action could the administrator perform to accomplish this task?

  A. Enable Storage I/O Control.
  B. Enable TRIM/UNMAP for the vSAN cluster.
  C. Reboot the VM to recreate the swap file.
  D. Assign a storage policy with thin provisioning.
  D. Assign a storage policy with thin provisioning.

• Question 6:

  An administrator is designing a vSAN cluster for performance driven workloads. Which design decision will provide more I/O paths to the vSAN cluster?

  A. add cache devices to disk groups
  B. add compute-only nodes
  C. add disk groups to each host
  D. add CPUs to each host
  C. add disk groups to each host

• Question 7:

  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
  A. 3

• Question 8:

  A vSAN Witness has connectivity to a vSAN cluster with supported maximum latency of 500 milliseconds round-trip time (RTT). Which vSAN cluster type is the vSAN Witness a member of?

  A. vSAN stretched cluster with 4 nodes in each site
  B. vSAN 2-node direct connected cluster
  C. 4-node vSAN cluster using erasure coding
  D. 16-node vSAN cluster with nested fault domains
  B. vSAN 2-node direct connected cluster

  ---

  Reference: https://book.akij.net/eBooks/2018/March/5ab76ee97f532/SAnet.cd.EssentialVirtualSAN(VSAN).pdf (56)

• Question 9:

  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
  B. when vSAN Health service is disabled

• Question 10:

  A group of vSAN components that reside on a failed drive are marked degraded.

  How long does vSAN wait by default, before rebuilding these components on other healthy drives in the cluster?

  A. 0 minutes
  B. 5 minutes
  C. 30 minutes
  D. 60 minutes
  A. 0 minutes

  ---

  Reference: https://storagehub.vmware.com/t/vsan-frequently-asked-questions-faq/availability/