2021 Valid 5V0-21.21 Exam Updates - 2021 Study Guide
5V0-21.21 Certification - The Ultimate Guide [Updated 2021]
VMware 5V0-21.21 Exam Syllabus Topics:
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NEW QUESTION 15
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 Ensure accessibility, migration maintenance mode option must be chosen to protect the data during the upgrade.
- C. The upgrade process should be completed using host upgrade baselines in VMware vSphere Lifecycle Manager (vLCM).
- D. The vSAN nodes should be upgraded to vSphere ESXi 6.7 U3.
- E. The upgrade process should be completed using images in VMware vSphere Lifecycle Manager (vLCM).
- F. The vSAN nodes should be upgraded to vSphere ESXi 7.0 U1.
Answer: B,E,F
NEW QUESTION 16
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?
- A. Enabling automatic rebalance
- B. Setting the vSAN policy's IOPS limit for object value to 0 (unlimited)
- C. Enabling Resync Throttling
- D. Enabling Maintenance mode with no data evacuation
Answer: C
NEW QUESTION 17
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. Run /etc/init.d/vsanvpd restart to rescan the VASA providers.
- B. Manually replace the Host Encryption Key (HEK) of each affected host.
- 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 18
During a design workshop for a stretched vSAN cluster, the requirement that some of the VMs be configured with no-mirror between sites was discussed.
Which three recommendations should the architect provide to address an event of a network partition between two sites? (Choose three.)
- A. One of isolation addresses should reside in the site 2 data center
- B. Host isolation response must exclude the VMs required
- C. The default gateway must be used as the only isolation address
- D. VMware vSphere DRS rules to force the VMs to run where the data resides
- E. One isolation address reachable only from the witness appliance in both sites
- F. One of isolation addresses should reside in the site 1 data center
Answer: A,B,D
NEW QUESTION 19
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. Remove the affected Disk Group from the vSAN Cluster, and choose Full Data Migration.
- B. Put the affected vSAN host into maintenance mode to physically replace the storage device.
- C. Remove the affected Disk Group from the vSAN Cluster, and choose No Data Migration.
- D. Replace the failed disk with a storage device that is identical in class and capacity.
- E. Replace the failed disk with a storage device that is identical in class but smaller in capacity.
- F. Remove the affected Disk from the Disk Group, and choose Full Data Migration.
Answer: A,D,F
NEW QUESTION 20
An architect is designing a vSAN cluster.
Which storage controller option will yield optimal performance?
- A. RAID 0
- B. Hugh queue depth
- C. Enable battery write-back caching
- D. Set caching to 50% read on the controller
Answer: A
NEW QUESTION 21
Which statement accurately describes the result when proper VM Storage Policy Affinity Rules on a stretched vSAN cluster are set?
- A. When a site is disconnected, the VM will lose access to its VMDK.
- B. Proper policies result in higher inter-site bandwidth utilization.
- C. When a site is disconnected, the VM will continue to have access to its VMDK.
- D. Bandwidth is unnecessarily sent across the inter-site link.
Answer: A
NEW QUESTION 22
An administrator has an absent capacity disk.
Which action, if any, should the administrator take to resolve the problem?
- A. Replace the faulty host.
- B. Replace the faulty disk.
- C. Verify the host is not isolated.
- D. Wait, and vSAN will rebuild it.
Answer: D
NEW QUESTION 23
Due to the success of the recently deployed developer-only private cloud solution, a company has a new requirement to at least double the usable capacity in their all-flash vSAN cluster.
The vSAN cluster is deployed into a co-located datacenter that is owned by a third-party hosting company. The hosting company charges a fixed monthly cost for rack space and power consumption. The service owner has been given a limited budget for additional hardware purchases, but not for on-going co-location costs.
The current vSAN cluster has the following configuration:
* 10 vSAN Nodes with 2 CPUs (20 cores), 512 GB RAM
* 1 Disk Group per vSAN node
- 1 x 400 GB
- 4 x 1.8 TB
* De-duplication and Compression is enabled.
* vSAN Capacity is currently:
- Total: 72 TB
- Usable: ~40 TB (FTT1/RAID1) and ~60 TB (FTT1/RAID5).
As a result of any action taken, the service owner would like to ensure that overall availability of the vSAN cluster is increased.
Which two recommendations meet the requirement to increase capacity while maintaining service availability? (Choose two.)
- A. Create a new Disk Group, and claim the newly installed cache and capacity SSD drives for each node.
- B. Install an additional 3 x 1.8 TB SSDs per vSAN node.
- C. Install an additional 400 GB SSD and 4 x 1.8 TB SSDs per vSAN node.
- D. Update the existing Disk Group, and claim the newly installed drives for each node.
- E. Replace existing SSDs with an 800 GB SSD and 4 x 3.8 TB SSDs per vSAN node.
Answer: A,B
NEW QUESTION 24
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?
- A. Cluster out of the box
- B. iSCSI on vSAN
- C. Cluster in a box
- D. NFS on vSAN
Answer: B
NEW QUESTION 25
An organization has two vSAN clusters managed by the same vCenter Server, each providing 100TB of storage. The first cluster runs at 75% of its storage capacity, and the second cluster runs at 50% of its storage capacity.
The company also has the following:
* An iSCSI array of 300TB. which runs at 76% of its capacity
* A NAS system of 200TB, which runs at 10% of its capacity
* A Fiber channel (FC) array of 300TB, which runs at 80% of its capacity The administrator is asked to add an additional 25TB of storage to the first cluster. The administrator is also made aware that there is no budget to purchase new hardware and that the vSAN Storage Policy Based Management must be kept in place.
Which storage option will work for this use case?
- A. Create an HCI Mesh using the second cluster's datastore.
- B. Obtain additional free capacity from the existing NAS storage.
- C. Create an HCI Mesh using the first cluster's datastore.
- D. Obtain additional free capacity from the existing FC storage.
Answer: B
NEW QUESTION 26
During a maintenance action on a vSAN node, a vSAN administrator noticed that the default repair delay time is about to be reached.
Which two commands must be run to extend the time? (Choose two.)
- A. esxcli system settings advanced set -o /VSAN/ClomRepairDelay -i 50
- B. /etc/init.d/vsanobserver restart
- C. /etc/init.d/vsanmgmtd restart
- D. esxcli system settings advanced set -o /VSAN/ClomRepairDelay -i 80
- E. /etc/init.d/clomd restart
Answer: D,E
NEW QUESTION 27
An architect collected the below technical requirements from the customer during a vSAN cluster design workshop:
* Maximize the vSAN datastore usable capacity.
* Deduplication and compression are required to help utilize available capacity efficiency.
* Ensure the highest level of resiliency wherever possible.
Which disk group configuration should the architect include in the design?
- A. Two disk groups per host, each with one cache tier flash disk and six capacity tier flash disks.
- B. One disk group per host, with one cache tier flash disk and four capacity tier flash disks.
- C. Two disk groups per host, each with one cache tier flash disk and six capacity tier magnetic disks.
- D. Two disk groups per host, each with one cache tier flash disk and four capacity tier flash disks.
Answer: C
NEW QUESTION 28
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. 600GB
- B. 800GB
- C. 700GB
- D. 400GB
Answer: B
NEW QUESTION 29
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.)
- A. Change the FTT setting in Policy 3 to be "Erasure Coding".
- B. Change the Site Disaster Tolerance setting in Policy 4 to be "None - Keep Data on Preferred".
- C. Change the Site Disaster Tolerance setting in Policy 3 to be "Dual Site Mirroring".
- D. Update vSphere DRS site affinity rules so that Preferred Site workloads should not run on hosts in DC1.
- E. Update vSphere DRS site affinity rules so that Preferred Site workloads must run on hosts in DC2.
Answer: B,E
NEW QUESTION 30
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. Upgrading the vSAN on-disk format
- B. Placing the vSAN Witness Host in Maintenance Mode and adding to the vSAN cluster
- C. Using the RVC command: vsan.resync_dashboard ~/computers/vsan-prod
- D. Running the vSAN Skyline Health check to ensure there are vSAN Object Health errors and executing the Repair Object Immediately option
Answer: B
NEW QUESTION 31
Upon checking the latency goal under vSAN performance diagnostics, the vSAN Administrator sees this message displayed:
The increase in latency in the vSAN stack might be beyond expected limits.
Which two root causes can be identified to help remediate the issue? (Choose two.)
- A. Incorrect sizing of the disk groups capacity disks
- B. Large packet losses and retransmissions on the network layer
- C. One or more disk groups are congested
- D. vSAN VMKemel portgroup is configured with the "Route based on IP hash" teaming policy
- E. vSAN encryption is enabled
Answer: B,C
NEW QUESTION 32
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. Select 'Erase disks before use' check box when enabling encryption on a vSAN cluster.
- B. Ensure that the vSAN Encryption is enabled by default on the existing cluster to encrypt old and new data.
- C. Disable vSphere Distributed Resources Schedule (DRS) on the vSAN cluster.
- D. Make vCenter Server trust the KMS, either by trusting the KMS or by uploading a KMS certificate.
Answer: A
NEW QUESTION 33
A 30-minute power maintenance window has been approved on Sunday. Due to a delay, the maintenance took 20 minutes longer to finish.
During this time, the vSAN administrator noticed that one of the clusters nodes was affected by a power shortage, as it was connected to an affected power source. The default vSAN storage policy has been applied.
What will be the status of the vSAN objects on the affected host immediately after it is recovered?
- A. All objects on the affected host will be lost.
- B. The cluster will be partitioned and the vSAN host will need to be rejoined.
- C. All objects will remain accessible.
- D. A rebuild of the affected objects will occur.
Answer: D
NEW QUESTION 34
A company hosts a vSAN 7 stretched cluster for all development workloads. The original sizing of a maximum of 250 concurrent workloads in the vSAN cluster is no longer sufficient and needs to increase to at least 500 concurrent workloads within the next six months.
To meet this demand, the original 8-node (4-4-1) cluster has recently been expanded to 16 nodes (8-8-1).
Which three additional steps should the administrator take to support the current growth plans while minimizing the amount of resources required at the witness site? (Choose three.)
- A. Deploy a new extra large vSAN witness appliance at the witness site.
- B. Upgrade the vSAN stretched cluster to vSAN 7.0 U1.
- C. Configure the new vSAN witness as a shared witness appliance.
- D. Configure the vSAN stretched cluster to use the new vSAN witness.
- E. Add the new vSAN witness appliance to vCenter Server.
- F. Deploy a new large vSAN witness appliance at the witness site.
Answer: C,D,F
NEW QUESTION 35
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