Full 5V0-21.21 Practice Test and 52 unique questions with explanations waiting just for you!
VMware Certified Master Specialist Dumps 5V0-21.21 Exam for Full Questions - Exam Study Guide
NEW QUESTION 28
An administrator wants to check the performance metrics for the workloads and their virtual disks that are running on a vSAN cluster, but no statistical charts are displayed in the vSphere client.
Why is this behavior being seen?
- A. vSAN performance verbose mode is not enabled.
- B. vSAN proactive tests haven't been run yet.
- C. vSAN performance service is turned off.
- D. vSAN network diagnostic mode is not enabled.
Answer: C
Explanation:
Some tools allow for measuring latency peaks. This unfortunately isn't ideal, as it can unfairly represent statistical outliers, which may very well occur when there is little to no I/O activity. The best way to understand the actual behavior of VM and application latencies is to observe in time based performance graphs. Depending on the level of detail, you may need to measure at the individual VMDK level. Become familiar with these graphs to determine what is normal, and what is not for that given application. This is where you can use built-in functionality of vCenter and the vSAN performance service metrics to gather this information.
NEW QUESTION 29
An architect is designing a vSAN cluster.
Which storage controller option will yield optimal performance?
- A. Set caching to 50% read on the controller
- B. Hugh queue depth
- C. RAID 0
- D. Enable battery write-back caching
Answer: C
NEW QUESTION 30
for a customer who is planning to use vRealize Automation to provision 600 virtual machines into that cluster, with expected growth up to 1,000 VM. Each VM has a 40GB thick-provisioned disk.
Which flash disk size is required for the cache tier per ESXi node to meet all requirements?
- A. 400GB
- B. 700GB
- C. 600GB
- D. 800GB
Answer: D
NEW QUESTION 31
An administrator has received an alert indicating that a single capacity device is close to failing within the production vSAN Cluster. The administrator must now complete preemptive maintenance on the vSAN Cluster without impacting the availability of workloads or vSAN File Services.
The following information is known about the vSAN Cluster:
* vSAN 7.x Cluster
* vSAN node count: 8
* De-Duplication and Compression: Enabled.
* Encryption: Disabled
* Current Utilization: 45%
* Disk Groups: 2
* Devices per node: 2 x 400 GB SSD, 6 x 1.8 TB SSD
Which three steps should the administrator take to successfully complete the task? (Choose three.)
- A. Replace the failed disk with a storage device that is identical in class but smaller in capacity.
- B. Remove the affected Disk Group from the vSAN Cluster, and choose No Data Migration.
- C. Put the affected vSAN host into maintenance mode to physically replace the storage device.
- D. Remove the affected Disk Group from the vSAN Cluster, and choose Full Data Migration.
- E. Replace the failed disk with a storage device that is identical in class and capacity.
- F. Remove the affected Disk from the Disk Group, and choose Full Data Migration.
Answer: D,E,F
NEW QUESTION 32
An administrator wants to deploy Kubernetes on an end-to-end VMware stack, using VMware vSAN for storage.
Which VMware product should the administrator install as the Kubernetes platform choice?
- A. VMware Tanzu Kubernetes Grid
- B. VMware Tanzu Build service
- C. VMware Tanzu Mission Control
- D. VMware Tanzu Data services
Answer: A
NEW QUESTION 33
In a vSAN stretched cluster, which value must be set in the vSAN policy if there is no requirement for data mirroring across sites?
- A. PFTT = 0
- B. SFTT = 1
- C. PFTT = 1
- D. SFTT = 0
Answer: D
NEW QUESTION 34
An administrator is tasked with sharing storage from one vSAN cluster to another vSAN cluster. SPBM management must be preserved end-to-end, and the policy must be applied by the source vSAN cluster which is storing the dat a. Both vSAN clusters are managed by the same vCenter server.
What should the administrator configure?
- A. HCI Mesh on vSAN
- B. vVOLs on vSAN
- C. NFS volumes on vSAN
- D. iSCSI targets on vSAN
Answer: A
NEW QUESTION 35
An administrator of "vsan-prod" cluster noticed the witness components of VMs are flagged as absent after a failed attempt to replace the vSAN Witness Host.
Which action should the administrator take to resolve this issue?
- A. Placing the vSAN Witness Host in Maintenance Mode and adding to the vSAN cluster
- B. Upgrading the vSAN on-disk format
- C. Running the vSAN Skyline Health check to ensure there are vSAN Object Health errors and executing the Repair Object Immediately option
- D. Using the RVC command: vsan.resync_dashboard ~/computers/vsan-prod
Answer: A
NEW QUESTION 36
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.)
- A. Place the host in maintenance mode with Full Data migration
- B. Place the host in maintenance mode with Ensure Accessibility
- C. Delete the disk group(s) on the legacy host
- D. Disconnect from vCenter Server
- E. Remove from vSAN cluster
- F. Place the host in maintenance mode with no data migration
Answer: A,C,E
NEW QUESTION 37
An administrator has been tasked with enabling encryption for existing virtual machines on a vSAN cluster.
Which three prerequisites must be satisfied before completing the task? (Choose three.)
- A. Create an encryption storage policy
- B. Verify if a role with privilege "Cryptographic operations.Migrate" is assigned
- C. Enable Data-In-Transit encryption first
- D. Establish a trusted connection with the KMS
- E. Enable that the virtual machines are powered on
- F. Verify if a role with privilege "Cryptographic operations.Encrypt new" is assigned
Answer: D,E,F
NEW QUESTION 38
An architect needs to automate an infrastructure that supports VMware Horizon as well as VMware Tanzu.
Which solution mandates the use of VMware vSAN?
- A. VMware vRealize Automation
- B. VMware Cloud Foundation
- C. VMware Horizon
- D. VMware Tanzu
Answer: A
NEW QUESTION 39
A company has engaged a consultant to upgrade an existing vSAN cluster to vSAN 7.0 U1.
During the discovery phase, the consultant found the following information about the existing environment:
* The VMware vCenter Server has recently been upgraded from VMware vSphere 6.7 U3 to version 7.0 U1.
* The vSAN Cluster was recently expanded with identical hardware specification, but from a different hardware vendor.
* The hardware for each vSAN node is listed on the vSAN Compatibility Guide (VCG) for vSAN 7.
* The vSAN Cluster has the following configuration:
- vSAN version: 6.6.1
- Number of vSAN nodes: 10
- Encryption: enabled
- Deduplication and Compression: enabled
- vSAN Capacity Utilization: 60%
* Each vSAN node has the following configuration:
- VMware vSphere ESXi version: 6.5 Update 3
- CPU: 2 processors, 20 cores
- RAM: 768GB RAM.
- Disk: 2 Cache SSDs and 6 Capacity SSDs
- Network: 4 x 10GbE
Which three recommendations should the consultant make to ensure all data remains protected in the event of a vSAN failure? (Choose three.)
- A. The Full data migration maintenance mode option must be chosen to protect the data during the upgrade.
- B. The vSAN nodes should be upgraded to vSphere ESXi 7.0 U1.
- C. The vSAN nodes should be upgraded to vSphere ESXi 6.7 U3.
- D. The Ensure accessibility, migration maintenance mode option must be chosen to protect the data during the upgrade.
- E. The upgrade process should be completed using images in VMware vSphere Lifecycle Manager (vLCM).
- F. The upgrade process should be completed using host upgrade baselines in VMware vSphere Lifecycle Manager (vLCM).
Answer: B,D,E
NEW QUESTION 40
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?
- A. krb4
- B. krb5i
- C. krb5
- D. krb5p
Answer: B
NEW QUESTION 41
An administrator has been tasked to reboot a node in an encrypted vSAN cluster. The vSAN disk groups on that node become locked after rebooting the node.
Which step should be performed to exit the locked state?
- A. Manually replace the Host Encryption Key (HEK) of each affected host.
- B. Run /etc/init.d/vsanvpd restart to rescan the VASA providers.
- C. Restore the communication with the KMS server, and re-establish the trust relationship.
- D. Replace the caching device in each affected disk group.
Answer: C
NEW QUESTION 42
An administrator has an absent capacity disk.
Which action, if any, should the administrator take to resolve the problem?
- A. Wait, and vSAN will rebuild it.
- B. Replace the faulty disk.
- C. Verify the host is not isolated.
- D. Replace the faulty host.
Answer: A
NEW QUESTION 43
An 8-Node vSAN Stretched Cluster (4+4+1) with a single disk group has a policy with PFTT=1 (mirrored across sites) and SFTT=1/FTM Mirroring (Local Protection) configured.
The administrator has been alerted that there is a problem with the cluster. The following has been observed:
* The vSAN Witness Host is offline.
* Two disk failures on two hosts have occurred in the preferred site.
This has resulted in a critical production virtual machine's vmdk becoming inaccessible.
Which step needs to be performed by the administrator to resolve the issue?
- A. Replace access to the existing vSAN Witness Host
- B. Replace the vSAN Witness Host
- C. Replace all failed disks on the preferred site.
- D. Replace only one failed disk on the preferred site.
Answer: A
NEW QUESTION 44
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?
- A. Five nodes Hybrid vSAN cluster
- B. Five nodes All-Flash vSAN cluster
- C. Six nodes All-Flash vSAN cluster
- D. Six nodes Hybrid vSAN cluster
Answer: C
NEW QUESTION 45
An administrator wants to enable encryption on an existing vSAN cluster that already contains virtual machines.
Which additional step should the administrator take to ensure no data is lost during the encryption process?
- A. Make vCenter Server trust the KMS, either by trusting the KMS or by uploading a KMS certificate.
- B. Select 'Erase disks before use' check box when enabling encryption on a vSAN cluster.
- C. Disable vSphere Distributed Resources Schedule (DRS) on the vSAN cluster.
- D. Ensure that the vSAN Encryption is enabled by default on the existing cluster to encrypt old and new data.
Answer: B
NEW QUESTION 46
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