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VMware 5V0-21.20

VMware HCI Master Specialist

Verified practice questions with detailed answers, clear explanations, and community discussion.

  • 54

    questions

  • 1 day ago

    last updated

  • 4.8/5

    overall rating

Question 1 of 54

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?

Answer choices
Show answer

Correct answer: A

The consistent low Write Buffer Free Percentage in the All-Flash cluster is an indicator that the current cache device is being overwhelmed due to insufficient caching capacity. Adding a second disk group with a new cache device and distributing the capacity disks equally will significantly increase the overall caching capacity. This approach does not require replacing existing hardware, thereby avoiding the complexity and higher costs associated with changing cache devices in existing disk groups. It also allows for better scalability and utilization of cache resources, improving the efficiency and performance of the write buffer.

Community votes

4 votes

ASuggested

75%

D

25%

Question 2 of 54

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?

Answer choices
Show answer

Correct answer: D

To determine the overall health of the vSAN objects, the command 'esxcli vsan health cluster list' should be used. This command provides a comprehensive overview of the health status of the vSAN cluster, including any issues with the vSAN objects. This allows administrators to quickly assess the health and functionality of the vSAN environment.

Community votes

3 votes

DSuggested

100%

Question 3 of 54

Which storage policy can be assigned to virtual machines in a 5-node, all flash vSAN cluster, to provide the HIGHEST level of redundancy?

Answer choices
Show answer

Correct answer: C

In a 5-node all-flash vSAN cluster, the storage policy that provides the highest level of redundancy is 2 failures with RAID-1 (Mirroring). This configuration ensures data is mirrored across enough nodes to tolerate up to two simultaneous failures, which is the highest redundancy level achievable in a 5-node cluster. RAID-6 (Erasure Coding) typically requires a minimum of 6 hosts to provide protection against 2 simultaneous failures, and thus it is not applicable here. RAID-5 (Erasure Coding) can tolerate only one failure, making it less redundant than RAID-1 for 2 failures in this scenario.

Community votes

3 votes

CSuggested

100%

Question 4 of 54

A higher level of resiliency has been requested for an existing vSAN Stretched Cluster. A key requirement will be the addition of a third site to protect against a potential double site failure of the two mirrored sites in the stretched cluster.

What solution would meet the resiliency requirement?

Answer choices
Show answer

Correct answer: A

To meet the resiliency requirement of protecting against a potential double site failure in a vSAN Stretched Cluster, replication to a third site at the VM level using vSphere Replication is the appropriate solution. This approach ensures that each individual VM is replicated and protected, providing an additional level of safety beyond the two mirrored sites in the stretched cluster.

Community votes

1 vote

ASuggested

100%

Question 5 of 54

Which step can be avoided when replacing a capacity tier device on a controller with passthrough mode and support for hot-plug?

Answer choices
Show answer

Correct answer: A

When replacing a capacity tier device on a controller with passthrough mode and support for hot-plug, shutting down the host can be avoided. Hot-plug capability allows for the replacement of the physical drive without shutting down the system, ensuring minimal disruption and maintaining system availability.

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Charles Sirois
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As this was my first certification exam, I was understandably nervous about what to expect. These study materials made the preparation process much easier, and many of the questions closely reflected those on the actual exam.
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United States
Wasted about a month going through the free dump sites scattered all over reddit, half the answers were wrong and the other half were for a version of the exam that doesn't even exist anymore. Eventually gave in and paid the small fee here, and the difference was night and day.
Alisha Kelly
Italy
Honestly, I had already gone through the official documentation quite thoroughly, but still didn't feel fully confident going in. This helped things finally click for me. I realized I knew the material, but just hadn't connected all the pieces yet.
Casper Claassen
Netherlands
Used this along with Microsoft Learn and the combo worked really well. The practice questions made the stuff I'd read actually stick. Passed first attempt, no complaints from me.
Gabriele Ghesla
Italy
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Neil Savage
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A very quick response was received via email when a link issue occurred. The study materials provided were high quality and extremely helpful. I was able to complete the test successfully. Many thanks for the excellent support.
Morgan Farmer
United Kingdom
I don't usually leave reviews, but this one felt worth sharing. The questions were quite close to what actually appeared on the exam, more than I expected. I spent about a week going through the material before my test, and it helped me feel more prepared.
Remi Nuyts
United States
Passed ITIL 4 Foundation with 87%. Material was enough by itself.
Archie Hopkins
United States
I had a smooth experience from start to finish. Access was available right away, no technical issues, which made it easy to get started. The content felt relevant and aligned well with what I was looking for.
Nancy Mcbride
United States
Does what it says it does. Content felt solid, nothing confusing to navigate and I didn't run into any weird issues. I been putting off scheduling the exam for a while and going through this gave me enough confidence to finally book it and pass.
Neil Savage
United States
A very quick response was received via email when a link issue occurred. The study materials provided were high quality and extremely helpful. I was able to complete the test successfully. Many thanks for the excellent support.

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