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VMware 5V0-21.21 Dumps

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Total 66 questions

VMware HCI Master Specialist Questions and Answers

Question 1

An administrator is setting up vSAN file services on a vSAN cluster.

Which two security policies on the distributed port groups are automatically enabled in the process? (Choose two.)

Options:

A.

Forged Transmits

B.

Promiscuous Mode

C.

DVFiltering

D.

Jumbo Frames

E.

MacLearning

Question 2

As a part of a network hardware refresh project, all the network switches have been replaced with a newer, high-performance model. After the replacement, the company users started experiencing slowness on the applications hosted on their vSAN-backed VMs.

The vSAN administrator checked the vSAN Network Health status and noticed that the "Hosts large ping test" has failed.

What could be the cause of this performance degradation issue?

Options:

A.

MTU 9K is not configured on the hosts vSAN vMKernel ports.

B.

MTU 9K is not configured on the hosts VMnic ports.

C.

MTU 9K is not configured on the ToR switch.

D.

MTU 9K is not configured on the vDS switch.

Question 3

Upon investigating a workload performance issue, a vSAN administrator observed a high backend IOPs on a vSAN cluster.

Which two causes explain this behavior? (Choose two.)

Options:

A.

The cluster DRS threshold has been set to Aggressive.

B.

There is a vSAN node failure.

C.

The vSAN Resync throttling is enabled.

D.

The object repair timer value has been increased.

E.

The vSAN policy protection level has changed from FTT=0 to FTT=1.

Question 4

A customer is planning to deploy a vSAN cluster to host their in-house distributed ERP system. The hardware specifications for their server nodes include:

* 2 x Intel Xeon CPU E5-2697 v3 @ 2.60GHz

* 1TB memory

Which boot device is supported for the vSAN ESXi nodes for this customer?

Options:

A.

A 16GB single-level cell (SLC) SATADOM device must be used.

B.

A 4GB USB or SD device must be used.

C.

A 16GB multiple-level cell (MLC) SATADOM device must be used.

D.

ESXi Hosts must boot from a PMEM device.

Question 5

An administrator is troubleshooting vSAN performance issues, and the performance diagnostics reports:

"There are errors seen in one or more physical NICs on one or more hosts."

Which two problems must be resolved to fix this issue? (Choose two.)

Options:

A.

A 25 Gb/s NIC needs to be installed.

B.

There are incompatible firmware and driver versions.

C.

There is an incorrectly set MTU.

D.

The vSAN version needs to be upgraded to 7.0.

E.

A firewall is blocking ports.

Question 6

An administrator is tasked with preparing for a Cross vCenter migration in a stretched vSAN cluster where the virtual machines migration will be orchestrated via VMware Site Recovery Manager.

Which action should the administrator take so the migration is successful?

Options:

A.

Disable vSAN Deduplication and Compression

B.

Reconfigure vCenter HA Admission control

C.

Enable vCenter Single Sign-On Enhanced Linked Mode

D.

Make sure that Witness traffic is on the management NIC.

Question 7

An architect is currently working with a customer to transform their existing ESXi hosts to vSAN nodes. The customer expressed the following requirements.

• First phase will transform 50% of the hosts to a hybrid vSAN nodes.

• Second phase will transform the remaining 50% hosts to an All-Flash vSAN nodes.

The following constraint exists:

• Each host has a 4-port x 1 GbE network interface.

Which two recommendations should the architect make to align with the customer's requirements? (Choose two.)

Options:

A.

Hybrid vSAN clusters can have shared 1 GbE network adapters.

B.

All-Flash vSAN clusters must have dedicated 10 GbE network adapters.

C.

Hybrid vSAN clusters must have dedicated 1 GbE network adapters.

D.

All-Flash vSAN clusters can have shared 10 GbE network adapters.

E.

Hybrid vSAN clusters must have dedicated 10 GbE network adapters.

Question 8

An administrator is planning to change a vSAN Storage Policy to apply a Failures To Tolerate (FTT) of 2, using RAID-6.

What is the minimum number of vSAN nodes required?

Options:

A.

6

B.

4

C.

5

D.

8

Question 9

A company has engaged a consultant to upgrade an existing vSAN cluster to vSAN 7.0 U1. The company wants to ensure that the same vSAN process can be used in the future.

During the discovery phase, the consultant found the following information about the existing environment:

* The vCenter Server is currently version 7.0.

* The vSAN Cluster has the following configuration:

- vSAN version: 7.0

- Number of vSAN nodes: 6

- Encryption: enabled

- Deduplication and Compression: enabled

- Fault Domains: 1

- vSAN Capacity Utilization: 60%

* Each vSAN node has the following configuration:

- ESXi version: VMware vSphere 7.0

- CPU: 2 processors, 20 cores

- RAM: 1024GB RAM.

- Disk: 2 Cache SSDs and 6 Capacity SSDs

- Network: 4 x 10GbE

* All current hardware (which is from a single vendor) is listed on the vSAN Compatibility Guide for vSAN 7.

Which three recommendations should the consultant make to ensure that the vSAN cluster upgrade is completed? (Choose three.)

Options:

A.

Upgrade all vSAN nodes to VMware vSphere 7.0 U1 using the baselines capability within VMware Update Manager (VUM).

B.

Disable vSAN Encryption before starting the upgrade process.

C.

Upgrade all vSAN nodes to VMware vSphere 7.0 U1 using the images capability within VMware Update Manager (VUM).

D.

Set VMware Distributed Resource Scheduling (DRS) to partially automated.

E.

Upgrade to VMware vCenter Server 7.0 U1.

F.

Choose the Allow reduced redundancy option.

Question 10

A cache disk failure marked a vSAN disk group as failed, and the data is being rebuilt on other disk groups.

Which action should the vSAN administrator take to reduce the negative impact on the VMs?

Options:

A.

Enabling Resync Throttling

B.

Enabling Maintenance mode with no data evacuation

C.

Enabling automatic rebalance

D.

Setting the vSAN policy’s IOPS limit for object value to 0 (unlimited)

Question 11

During a vSAN design workshop, an architect collected these customer requirements:

* Leverage vSAN storage policies with Erasure Coding.

* Enable Deduplication and Compression.

* Use the minimum number of hosts in the cluster.

* Maintain full storage policy compliance when two nodes are down.

Which vSAN cluster design meets the customer’s requirements?

Options:

A.

Five nodes All-Flash vSAN cluster

B.

Six nodes All-Flash vSAN cluster

C.

Six nodes Hybrid vSAN cluster

D.

Five nodes Hybrid vSAN cluster

Question 12

An administrator wants to deploy a desktop and application virtualization solution on top of vSAN.

Which VMware product should the administrator install?

Options:

A.

VMware Dynamic Environment Manager

B.

VMware Horizon Apps

C.

VMware Workspace One Access

D.

VMware Horizon

Question 13

An architect intends to use the Primary Level of Failures To Tolerate (PFTT) to calculate the minimum number of required hosts for a vSAN cluster.

Which calculation model should be used?

Options:

A.

1 * PFTT + 1

B.

2 * PFTT + 2

C.

1 * PFTT + 2

D.

2 * PFTT + 1

Question 14

An administrator is tasked with setting up Kerberos authentication only for the vSAN File services.

Which version of Kerberos must be selected if the NFS version is v4.1?

Options:

A.

krb5i

B.

krb4

C.

krb5

D.

krb5p

Question 15

An administrator is planning to deploy cloud-native workloads onto the vSAN Direct datastore.

Which storage policy structure rule is supported?

Options:

A.

Host-based rules

B.

vVOL storage rules

C.

Tag-based placement rules

D.

Storage performance-based rules

Question 16

An architect is tasked to design a VMware Horizon Solution with vSAN. The architect needs to use a solution to host the user’s profile shares in a highly available manner, and it must be guest OS independent.

Which solution will match these requirements?

Options:

A.

Cluster out of the box

B.

Cluster in a box

C.

NFS on vSAN

D.

iSCSI on vSAN

Question 17

A company has deployed a 12-node (6-6-1) vSAN 7.0 stretched cluster for all production workloads.

The customer currently uses four different vSAN storage policies for running the workloads depending on the applications requirements:

* Policy 1 - Site Disaster Tolerance=Dual Site Mirroring, FTT=Erasure Coding

* Policy 2 - Site Disaster Tolerance=Dual Site Mirroring, FTT=Mirroring

* Policy 3 - Site Disaster Tolerance=None - Keep Data on Preferred, FTT=Mirroring

* Policy 4 - Site Disaster Tolerance=None - Keep Data on Non-Preferred, FTT=Mirroring

During the setup of the vSAN stretched cluster, the following VM/Host Rules were created:

* Preferred Site - Preferred Site workloads should run on DC1 hosts.

* Secondary Site - Secondary Site workloads should run on DC2 hosts.

Which two activities should the administrator complete to ensure that there is no impact to production services during the maintenance window in the Preferred Site? (Choose two.)

Options:

A.

Change the Site Disaster Tolerance setting in Policy 3 to be “Dual Site Mirroring”.

B.

Update vSphere DRS site affinity rules so that Preferred Site workloads should not run on hosts in DC1.

C.

Change the Site Disaster Tolerance setting in Policy 4 to be “None - Keep Data on Preferred”.

D.

Change the FTT setting in Policy 3 to be “Erasure Coding”.

E.

Update vSphere DRS site affinity rules so that Preferred Site workloads must run on hosts in DC2.

Question 18

A customer has upgraded to vSAN 7, but there is still an existing legacy host which must be removed from the vSAN cluster.

Which three steps must an administrator take to successfully remove this host from the vSAN cluster? (Choose three.)

Options:

A.

Place the host in maintenance mode with Ensure Accessibility

B.

Disconnect from vCenter Server

C.

Place the host in maintenance mode with Full Data migration

D.

Place the host in maintenance mode with no data migration

E.

Remove from vSAN cluster

F.

Delete the disk group(s) on the legacy host

Question 19

An architect is reviewing a vSAN cluster that has an unbalanced cluster configuration.

Which behavior will the architect observe?

Options:

A.

Consistent maintenance procedures

B.

Reduced predictability of storage performance

C.

Reduced deduplication capabilities

D.

Faster rebuild times

Page: 1 / 5
Total 66 questions