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VMware 5V0-21.20 Exam Practice Questions (P. 1)

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Question #1
Reference the exhibit.

A university campus has a site topology illustrated in the exhibit. Adjacent connected buildings are connected with a single 40gb layer 3 network with a RTT of
0.6ms as depicted by each line. An architect wants to configure a fault domain in each building.
What would the architect need change in order to implement a fully supported vSAN Cluster?
  1. A
    Enable a single Layer 2 network across all buildings for vSAN connectivity.
  2. B
    Decrease the existing RTT between the existing links by 0.1ms or more.
  3. C
    Add an additional link to the existing adjacent links to make it redundant.
  4. D
    Enable IPv6 networks across all buildings for vSAN connectivity.

Correct Answer:
C

Question #2
When designing a vSAN Cluster, which three should be considered when sizing a vSAN datastore? (Choose three.)
  1. A
    Storage Policy or Policies to be used
  2. B
    capacity device queue depth
  3. C
    vSAN Slack Space
  4. D
    cache disks with 10% of the Disk Group
  5. E
    On-Disk Format overheard
  6. F
    endurance level of capacity disk used

Correct Answer:
ABC
Reference:
https://core.vmware.com/resource/vmware-vsan-design-guide

Question #3
Which must be configured by a Kubernetes user allow for dynamic provisioning of container volumes in vSAN using storage policies?
  1. A
    ReplicaSet
  2. B
    Pod
  3. C
    StorageClass
  4. D
    ReplicationController

Correct Answer:
C
Reference:
https://vmware.github.io/vsphere-storage-for-kubernetes/documentation/policy-based-mgmt.html

Question #4
An All-Flash vSAN cluster has 4 nodes with this disk group composition on each host:
✑ 1 × 800 GB SAS SSD
✑ 6 × 3.84 TB SATA SSD
An administrator observes that in an All-Flash cluster, the Write Buffer Free Percentage is consistently low. As a result, there is increased latency experienced by the workloads.
Which remediation steps will resolve this issue?
  1. A
    Add a second disk group with a new cache device and distribute the capacity disks equally.
  2. B
    Add a second cache device to the same disk group to increase the caching size.
  3. C
    Modify advanced vSAN configuration parameters to utilize the complete 800 GB for caching.
  4. D
    Replace the existing cache device with a larger cache device.

Correct Answer:
C

Question #5
An administrator receives an alert for vCenter being unavailable. With vCenter running on vSAN, the administrator wants to know if any other VMs are impacted.
What command can an administrator run to determine the overall health of the vSAN objects?
  1. A
    esxcli vsan storage list
  2. B
    esxcli vsan cmmds timemachine get
  3. C
    esxcli vsan cluster get
  4. D
    esxcli vsan health cluster list

Correct Answer:
C
Reference:
https://www.vmware.com/content/dam/digitalmarketing/vmware/en/pdf/products/vsan/vmware-virtual-san-health-check-guide-6.1.pdf
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