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VMware 5V0-21.20 Exam Practice Questions (P. 4)

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Question #16
A vSAN administrator wants to implement end-to-end prioritization of vSAN traffic across the network in a shared network infrastructure that is using vSphere
Distributed Switches (VDS).
Which two can help achieve this objective? (Choose two.)
  1. A
    Configure CoS or DSCP with high priority tag at the VDS and equivalent in the physical network.
  2. B
    Enable jumbo frames for vSAN VMkernel ports and configure LACP for optimal load balancing.
  3. C
    Enable Network I/O Control and allocate higher shares for vSAN traffic.
  4. D
    Configure multiple vSAN VMkernel interfaces to load balance across multiple uplinks.
  5. E
    Enable network resource pool at the VDS level to prioritize vSAN traffic.

Correct Answer:
BC

Question #17
A vSAN administrator is working on a 4 host homogenous vSAN Cluster that has 2 disk groups per host. One of the hosts needs to be permanently removed and repurposed for some other use.
These are the out of order steps which need to be completed:
1. Delete the disk group(s) that reside on the host you want to decommission.
2. Wait for resync traffic to complete and the host to enter maintenance mode.
3. Ensure there is sufficient capacity in the vSAN disk groups to decommission a node.
4. Put the host into maintenance mode with full data migration selected.
5. Move the ESXi host out of the cluster.
What is the correct order?
  1. A
    3, 1, 4, 2, 5
  2. B
    3, 4, 2, 1, 5
  3. C
    4, 3, 2, 5, 1
  4. D
    4, 3, 2, 1, 5

Correct Answer:
B
Reference:
https://kb.vmware.com/s/article/2148975

Question #18
Refer to the exhibit.

A vSAN Cluster stretched across Data Site 1 and Data Site 2 has a vSAN data network configured with an MTU of 9000. The witness node has been placed in a remote site across a WAN with an MTU of 1500. The vSAN health check, 'vSAN: MTU check (ping with large packet size)', reports a failed ping.
What two actions could resolve the issue? (Choose two.)
  1. A
    Reduce the MTU from 9000 to 1500 on all vSAN VMkernel interfaces.
  2. B
    Reconfigure the VLAN of the witness traffic to be identical to data nodes.
  3. C
    Configure proper routing from data sites to the witness across the WAN.
  4. D
    Reconfigure WAN link to support an MTU of 9000.
  5. E
    Stretch L2 traffic from WAN to both data sites.

Correct Answer:
AD
Reference:
https://kb.vmware.com/s/article/2141733

Question #19
Refer to the exhibit.

An administrator is managing a 4-node, hybrid vSAN cluster. One of the hosts in the cluster went offline.
Referencing the information displayed in the resyncing objects section of the vSAN UI, what is the current state of this cluster?
  1. A
    Offline host reconnected to the cluster and all objects are synchronized.
  2. B
    Objects will be resynchronized when the Object Repair Timer expires.
  3. C
    Resync Throttling has caused data resynchronization scheduling.
  4. D
    Metadata resynchronization is scheduled to occur every 60 minutes.

Correct Answer:
D
Reference:
https://core.vmware.com/resource/vsan-2-node-guide#sec11-sub3

Question #20
An infrastructure architect is designing a vSAN Cluster that must satisfy these requirements:
✑ support storage policies with 2 failures "" RAID-1 (Mirroring)
✑ support storage policies with 2 failures "" RAID-6 (Erasure Coding) virtual machines must maintain compliance with the storage policy rules above when one host is in maintenance mode with full data migration

What is the minimum number of hosts needed to achieve these design requirements?
  1. A
    6
  2. B
    8
  3. C
    5
  4. D
    7

Correct Answer:
A
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

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