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VMware 5V0-21.20 Exam Practice Questions (P. 3)

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Question #11
Which two storage policy changes require a full rebuild of all components for an object? (Choose two.)
  1. A
    Increase the number of disk stripes for an object from 2 to 3.
  2. B
    Increase the IOPS limit for an object.
  3. C
    Reduce the Primary Failures to Tolerate from 2 to 1 for an object using a failure tolerance method of RAID-1 (Mirroring.)
  4. D
    Disable object checksum on an object.
  5. E
    Change the failure tolerance method of an object from RAID-1 (Mirroring) to RAID-5 (Erasure Coding).

Correct Answer:
CE
Reference:
https://cormachogan.com/2018/02/21/policy-changes-can-trigger-rebuild-vsan/

Question #12
An architect has been asked to plan the impact of a storage policy change to one of the production All-Flash based vSAN datastores. The change will reduce the failures to tolerate value from 2 to 1 for objects with a RAID-1 (Mirroring) layout in the existing policy. This change will be applied to multiple VMs.
Which statement is correct in this scenario?
  1. A
    FTT-2 requires another change to apply a RAID-6 configuration.
  2. B
    The policy will need to be recreated and applied with an additional tag.
  3. C
    There will be no objects rebuilt that impact performance.
  4. D
    There will be an object rebuild impact on performance.

Correct Answer:
D

Question #13
Which storage policy can be assigned to virtual machines in a 5-node, all flash vSAN cluster, to provide the highest level of redundancy?
  1. A
    1 failure "" RAID-5 (Erasure Coding)
  2. B
    2 failures "" RAID-6 (Erasure Coding)
  3. C
    2 failures "" RAID-1 (Mirroring)
  4. D
    3 failures "" RAID-1 (Mirroring)

Correct Answer:
B

Question #14
An administrator observes this health check warning:
Controller firmware is VMware certified
They proceed to update the latest firmware on the Storage Controller. After a successful firmware upgrade, the same health check alert continues to display.
Which statement is true?
  1. A
    Controller is not VMware certified and hence any firmware version displays a warning.
  2. B
    The recently installed firmware is yet to be certified and included in VMware Compatibility Guide.
  3. C
    The VMware vSAN Health Service needs to be restarted for changes to take effect.
  4. D
    The alert can be ignored and silenced, since the firmware is newer than the recommended firmware.

Correct Answer:
B
Reference:
https://kb.vmware.com/s/article/2150398

Question #15
Which is true of the vSAN iSCSI target service?
  1. A
    It is a VMware supported cost effective way to provide shared storage to another hypervisor.
  2. B
    The vSAN default storage policy determines the characteristics of the vSAN iSCSI target service storage objects.
  3. C
    Security is provided through the iSCSI CHAP & Mutual CHAP Authentication methods.
  4. D
    It is a VMware supported solution to provide iSCSI targets to applications that require multiple connections per session (MCS).

Correct Answer:
B

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