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VMware 5V0-22.21 Exam Practice Questions (P. 4)

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Question #16
What are two purposes of a vSAN storage policy (Choose two.)
  1. A
    To determine vSAN encryption level
  2. B
    To enable TRIM/UNMAP
  3. C
    To define how the VM storage objects are provisioned
  4. D
    To guarantee the required level of service
  5. E
    To enable deduplication and compression

Correct Answer:
CD
Reference:
https://docs.vmware.com/en/VMware-Cloud-on-AWS/services/com.vmware.vsphere.vmc-aws-manage-data-center-vms.doc/GUID-EDBB551B-51B0-
421B-9C44-6ECB66ED660B.html

Question #17
A business unit requires proprietary data to be protected against a site failure while using the least amount of storage and the least amount of nodes. AN administrator plans to implement a vSAN Stretched Cluster with a RAID-5 policy.
What is the minimum number of data nodes across all sites in this vSAN Stretched Cluster configuration?
  1. A
    4
  2. B
    8
  3. C
    12
  4. D
    6

Correct Answer:
B
Reference:
https://www.yellow-bricks.com/2017/05/30/sizing-vsan-stretched-cluster/#:~:text=RAID%2D5%20is%20a%203,%3A%204%2B4%2B1

Question #18
Which two requirements should the vSAN administrator consider in order to accomplish this goal? (Choose two.)
  1. A
    A leaf spine topology is required for core redundancy and reduced latency.
  2. B
    NIC teaming must be implemented for the vSAN network vmkernel port.
  3. C
    The configuration must meet the same latency and bandwidth requirement as local vSAN.
  4. D
    Encryption must be disabled prior to configuring HCI mesh.
  5. E
    Either Layer 2 and Layer 3 communications can be used.

Correct Answer:
BE
Reference:
https://core.vmware.com/resource/vmware-vsan-hci-mesh-tech-note#sec10709-sub1

Question #19
A new host with local storage devices has been added to a vSAN cluster. Now, the administrator would like to increase the capacity of the vSAN datastore.
What must be done to the new host to accomplish this goal?
  1. A
    Configure a RAID set on the storage controller.
  2. B
    Create one or more disk groups.
  3. C
    Delete all existing partitions.
  4. D
    Perform a storage device rescan.

Correct Answer:
C
Reference:
https://docs.vmware.com/en/VMware-vSphere/6.7/com.vmware.vsphere.virtualsan.doc/GUID-666D9839-2726-4936-8C0F-94476ECE0606.html

Question #20
The objects on a 4-node vSAN cluster are assigned a RAID-5 policy. A network outage occurs, causing host one to lose connectivity with the rest of the cluster.
Seventy-five minutes have elapsed.
What is the health state of the objects?
  1. A
    Reduced availability with no rebuild
  2. B
    Non-availability related incompliance (non-compliance)
  3. C
    Reduced availability
  4. D
    Reduced availability with no rebuild - delay timer

Correct Answer:
A
Minimum number of hosts required for Raid 5: 2n+1.
Reduced availability - active rebuild: The object has suffered a failure, but it was configured to be able to tolerate the failure. I/O continues to flow and the object is accessible. vSAN is actively working on re-protecting the object by rebuilding new components to bring the object back to compliance.
Reduced availability with no rebuild: The object has suffered a failure, but VSAN was able to tolerate it. For example: I/O is flowing and the object is accessible.
However, VSAN is not working on re-protecting the object. This is not due to the delay timer (reduced availability - no rebuild - delay timer) but due to other reasons. This could be because there are not enough resources in the cluster, or this could be because there were not enough resources in the past, or there was a failure to re-protect in the past and VSAN has yet to retry.

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