VMware 5V0-21.21 Questions and Answers Guarantee you Oass the Test Easily [Q39-Q64]

VMware 5V0-21.21 Questions and Answers Guarantee you Oass the Test Easily

Share Latest 5V0-21.21 DUMP with 68 Questions and Answers

NEW QUESTION # 39
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 Ensure Accessibility
• B. Delete the disk group(s) on the legacy host
• C. Remove from vSAN cluster
• D. Place the host in maintenance mode with Full Data migration
• E. Place the host in maintenance mode with no data migration
• F. Disconnect from vCenter Server

Answer: B,C,D

Explanation:
https://kb.vmware.com/s/article/2148975

NEW QUESTION # 40
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. Ensure that the vSAN Encryption is enabled by default on the existing cluster to encrypt old and new data.
• B. Make vCenter Server trust the KMS, either by trusting the KMS or by uploading a KMS certificate.
• C. Select 'Erase disks before use' check box when enabling encryption on a vSAN cluster.
• D. Disable vSphere Distributed Resources Schedule (DRS) on the vSAN cluster.

Answer: B

Explanation:
Reference:
You must have configured a standard key provider and established a trusted connection between vCenter Server and the KMS.

NEW QUESTION # 41
During a vSAN design workshop, a customer expressed a requirement to decommission an existing enterprise NAS device that provides iSCSI services for a clustered application.
Based on the current state analysis, the following information was noted:
- Current utilization is 500 LUNs.
- All clustered workloads are configured for Multiple Connections per Session.
- LUN sizes range between 10 TB to 30 TB.
What should the architect state regarding the requirements?

• A. Only single connection per session is supported.
• B. All requirements can be satisfied without any change.
• C. The number of LUNs require additional licensing.
• D. It is a best practice to maintain a LUN size of 8 TB.

Answer: A

Explanation:
https://kb.vmware.com/s/article/57344

NEW QUESTION # 42
After a vSAN Witness Appliance network configuration, the vSAN administrator notices that vSAN traffic flows from vmk0 (Management Traffic) rather than vmk1 (vSAN Traffic).
Which step should be taken to resolve this issue?

• A. Tag the vmk0 for vSAN traffic.
• B. Tag the vmk1 for Witness traffic.
• C. Configure vmk1 with IP address on the different network than that of vmk0.
• D. Configure vmk0 with IP address on the same range as that of vmk1.

Answer: C

Explanation:
The vmk1 interface cannot be configured with an IP address on the same range as that of vmk0. This is because Management traffic and vSAN traffic use the default TCP/IP stack. If both vmk0 and vmk1 are configured on the same range, a multihoming condition will occur and vSAN traffic will flow from vmk0, rather than vmk1.

NEW QUESTION # 43
A customer is planning to migrate their physical Microsoft SQL Server clustered workloads to vSAN enabled vSphere clusters.
The following requirements must be met:
* Each MSSQL cluster is made up of 3 nodes
* Highest possible availability against node failures
* Some of the vSAN clusters will only consume storage
What should the architect recommend?

• A. vSAN File Services
• B. Stretched vSAN Cluster
• C. vSAN Direct
• D. vSAN iSCSI Target Service

Answer: D

NEW QUESTION # 44
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. A rebuild of the affected objects will occur.
• B. The cluster will be partitioned and the vSAN host will need to be rejoined.
• C. All objects on the affected host will be lost.
• D. All objects will remain accessible.

Answer: D

Explanation:
The 60 Minutes Delay timer had not expired, the status of the objects will be NON complaint but will be accessible.

NEW QUESTION # 45
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 # 46
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.)

• A. Upgrade all vSAN nodes to VMware vSphere 7.0 U1 using the baselines capability within VMware Update Manager (VUM).
• B. Upgrade all vSAN nodes to VMware vSphere 7.0 U1 using the images capability within VMware Update Manager (VUM).
• C. Choose the Allow reduced redundancy option.
• D. Upgrade to VMware vCenter Server 7.0 U1.
• E. Disable vSAN Encryption before starting the upgrade process.
• F. Set VMware Distributed Resource Scheduling (DRS) to partially automated.

Answer: B,C,D

NEW QUESTION # 47
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. Update the existing Disk Group, and claim the newly installed drives for each node.
• C. Install an additional 400 GB SSD and 4 x 1.8 TB SSDs per vSAN node.
• D. Replace existing SSDs with an 800 GB SSD and 4 x 3.8 TB SSDs per vSAN node.
• E. Install an additional 3 x 1.8 TB SSDs per vSAN node.

Answer: A,E

NEW QUESTION # 48
An administrator is planning to deploy cloud-native workloads onto the vSAN Direct datastore.
Which storage policy structure rule is supported?

• A. Tag-based placement rules
• B. vVOL storage rules
• C. Host-based rules
• D. Storage performance-based rules

Answer: A

Explanation:
In U2, there would be a specific rule option for vSAN Direct.
https://docs.vmware.com/en/VMware-vSphere/7.0/vmware-vsphere-with-tanzu/GUID-40E5FD5C- E9A0-4D6D-8429-0DD5FE5F0E9F.html

NEW QUESTION # 49
A write intensive application has been deployed recently into an All-flash 4-node vSAN cluster.
Each node has one disk group with the following configuration:
- 1 x 400 GB SSD for Cache
- 4 x 3.84 TB SSD for Capacity
After the deployment, the administrator notices that the overall workload performance is degraded and observes a low-write, buffer-free percentage.
Which action should be taken to remediate this issue?

• A. Increasing the number of capacity disks in the existing disk group
• B. Adding a second cache disk to the existing disk group
• C. Replacing the cache disk in the existing disk group with a larger one
• D. Enabling automatic rebalance from the vSAN services advanced options

Answer: C

NEW QUESTION # 50
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 proactive tests haven't been run yet.
• B. vSAN network diagnostic mode is not enabled.
• C. vSAN performance service is turned off.
• D. vSAN performance verbose 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.
Reference:
https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.vsan-monitoring.doc/GUID-EF27701E-7BAC-4E76-9D2F-E1C58CAAB06D.html

NEW QUESTION # 51
Which statement accurately describes the result when proper VM Storage Policy Affinity Rules on a stretched vSAN cluster are set?

• A. Bandwidth is unnecessarily sent across the inter-site link.
• B. When a site is disconnected, the VM will lose access to its VMDK.
• C. Proper policies result in higher inter-site bandwidth utilization.
• D. When a site is disconnected, the VM will continue to have access to its VMDK.

Answer: D

Explanation:
Setting proper VM/Host Group Rules and VM Storage Policy Affinity Rules are beneficial for several reasons.
Bandwidth is not unnecessarily sent across the inter-site link.
Lower inter-site bandwidth utilization.
In the situation where the alternate site is disconnected, the VM will continue to have access to its vmdk.
https://core.vmware.com/resource/vsan-stretched-cluster-guide#sec7341-sub5

NEW QUESTION # 52
A capacity upgrade to a production vSAN 7.0 U1 cluster will provide an administrator with a number of SSD storage devices that can be reused in the development vSAN Cluster.
The company security policy mandates the following:
- All data must be encrypted-at-rest.
- All data on all drives must be securely erased before being removed and reused.
Which two steps should the administrator take to ensure that all data on the storage devices is securely erased? (Choose two.)

• A. Run the Start-VsanWipeDisk PowerCLI command.
• B. Turn off vSAN Encryption on the vSAN Cluster.
• C. When putting the node in maintenance mode, choose the No data evacuation option.
• D. When putting the node in maintenance mode, choose the Ensure data accessibility option.
• E. When putting the nodes in maintenance mode, choose the Evacuate all data option.

Answer: A,E

NEW QUESTION # 53
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.)

• A. Upgrade all vSAN nodes to VMware vSphere 7.0 U1 using the baselines capability within VMware Update Manager (VUM).
• B. Choose the Allow reduced redundancy option.
• C. Upgrade all vSAN nodes to VMware vSphere 7.0 U1 using the images capability within VMware Update Manager (VUM).
• D. Upgrade to VMware vCenter Server 7.0 U1.
• E. Disable vSAN Encryption before starting the upgrade process.
• F. Set VMware Distributed Resource Scheduling (DRS) to partially automated.

Answer: A,B,D

Explanation:
vSAN build recommendations are provided through vSAN system baselines for vSphere Lifecycle Manager. These system baselines are managed by vSAN. They are read-only and cannot be customized.
https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.vsan.doc/GUID- E87F7946-1EDE-45EE-9087-823F7E61FABF.html

NEW QUESTION # 54
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. Enable battery write-back caching
• C. Hugh queue depth
• D. RAID 0

Answer: C

Explanation:
Storage Controller Queue Depth
There are two important items displayed by the VCG for storage I/O controllers that should be noted. The first of these is "features" and the second is queue depth.
Queue depth is extremely important, as issues have been observed with controllers that have very small queue depths. In particular, controllers with small queue depths (less than 256) can impact virtual machine I/O performance when vSAN is rebuilding components, either due to a failure or when requested to do so when entering maintenance mode.
Design Decision : Choose storage I/O controllers that have as large a queue depth as possible.
While 256 are the minimum, the recommendation would be to choose a controller with a much larger queue depth where possible.
https://core.vmware.com/resource/vmware-vsan-design-guide#sec6843-sub14

NEW QUESTION # 55
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 # 56
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. Large packet losses and retransmissions on the network layer
• B. vSAN encryption is enabled
• C. vSAN VMKemel portgroup is configured with the "Route based on IP hash" teaming policy
• D. Incorrect sizing of the disk groups capacity disks
• E. One or more disk groups are congested

Answer: A,E

NEW QUESTION # 57
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. Running the vSAN Skyline Health check to ensure there are vSAN Object Health errors and executing the Repair Object Immediately option
• C. Using the RVC command: vsan.resync_dashboard ~/computers/vsan-prod
• D. Placing the vSAN Witness Host in Maintenance Mode and adding to the vSAN cluster

Answer: B

Explanation:
vSAN Witness Host (so there is strech cluster) must reside in vcenter datacenter container and not be added in vSAN cluster.

NEW QUESTION # 58
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 vSAN nodes should be upgraded to vSphere ESXi 6.7 U3.
• B. The vSAN nodes should be upgraded to vSphere ESXi 7.0 U1.
• C. The upgrade process should be completed using host upgrade baselines in VMware vSphere Lifecycle Manager (vLCM).
• D. The Ensure accessibility, migration maintenance mode option must be chosen to protect the data during the upgrade.
• E. The Full data migration maintenance mode option must be chosen to protect the data during the upgrade.
• F. The upgrade process should be completed using images in VMware vSphere Lifecycle Manager (vLCM).

Answer: B,D,F

NEW QUESTION # 59
An administrator wants to put the witness host in a 2-node vSAN configuration in maintenance mode.
What should be verified before putting the witness host in maintenance mode?

• A. The storage policy is set to FTT=1.
• B. Ensure accessibility has been enabled.
• C. All virtual machines are in compliance.
• D. No data migration has been set as an option.

Answer: D

NEW QUESTION # 60
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. Enable battery write-back caching
• C. RAID 0
• D. Hugh queue depth

Answer: C

NEW QUESTION # 61
An existing vSAN customer is considering vSAN File Services, and based on the current state analysis, the following information was provided:
- 7 vSAN ROBO clusters
- The clusters have two hardware BoM (Bill of Materials):
o BoM-01 Test & Dev Environment:
- 4 CPUs @ 2.50 GHz with 2 cores per CPU.
- 128 GB Memory.
- CachingTier 960 GB.
- CapacityTier 1.8 TB x 4.
- 10 GigE.
o BoM-02 Production Environment:
- 4 CPUs @ 2.60 GHz with 6 cores per CPU.
- 256 GB Memory.
- CachingTier 960 GB.
- CapacityTier 6 TB x 4.
- 10 GigE.
Which two recommendation should the architect propose? (Choose two.)

• A. Scale the vSAN clusters to 3 nodes at minimum.
• B. Scale the vSAN clusters to 4 nodes at minimum.
• C. Upgrade both BoM to have 2 disk groups at minimum.
• D. Upgrade BoM-01 CPU to have 4 cores minimum.
• E. Upgrade BoM-01 CPU to have 6 cores minimum.

Answer: B,E

NEW QUESTION # 62
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. krb5i
• B. krb5p
• C. krb4
• D. krb5

Answer: D

Explanation:
Support of Kerberos authentication helps prevent access of NFS clients through other, more vulnerable methods such as auth_sys. vSAN supports all 3 Kerberos authentication modes, KRB5, KRB5I and KRB5P.
* KRB5, which limits its role to secure authentication. (Only on NFSv4.1)
* KRB5I includes security authentication + checksum.
* KRB5P includes secure authentication + checksum + encryption.
https://core.vmware.com/resource/best-practices-running-nfs-vmware-vsphere#sec9459-sub5

NEW QUESTION # 63
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.)

• A. The vSAN Resync throttling is enabled.
• B. There is a vSAN node failure.
• C. The vSAN policy protection level has changed from FTT=0 to FTT=1.
• D. The cluster DRS threshold has been set to Aggressive.
• E. The object repair timer value has been increased.

Answer: B,C

Explanation:
High backend IOPS can be caused by rebuild/resync tasks.
https://core.vmware.com/resource/troubleshooting-vsan-performance#_Toc536646878

NEW QUESTION # 64
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