Pass 5V0-21.21 Brain Dump Updated Certification Sample Questions
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The VMware 5V0-21.21 certification exam is intended for professionals with experience in VMware vSphere, vSAN, and NSX-T technologies. Candidates who pass the exam demonstrate their mastery of VMware's HCI solutions and their ability to provide advanced support and troubleshooting. The certification is ideal for IT professionals who want to advance their career in virtualization and cloud computing or for organizations that want to validate the skills of their IT staff.
NEW QUESTION # 28
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.Encrypt new" is assigned
- C. Establish a trusted connection with the KMS
- D. Enable Data-In-Transit encryption first
- E. Enable that the virtual machines are powered on
- F. Verify if a role with privilege "Cryptographic operations.Migrate" is assigned
Answer: B,C,E
NEW QUESTION # 29
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. Verify if a role with privilege "Cryptographic operations.Encrypt new" is assigned
- B. Establish a trusted connection with the KMS
- C. Create an encryption storage policy
- D. Enable Data-In-Transit encryption first
- E. Verify if a role with privilege "Cryptographic operations.Migrate" is assigned
- F. Enable that the virtual machines are powered on
Answer: A,B,C
Explanation:
Because Before you can create encrypted virtual machines, you must create an encryption storage policy. You create the storage policy once, and assign it each time you encrypt a virtual machine or virtual disk. https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.security.doc/GUID-7DE1ED8F-880B-421E-B27B-5AAA58454AFA.html
NEW QUESTION # 30
In a stretched vSAN cluster, how is Read Locality established after fail over to the secondary site?
- A. 50% of the reads comes from vSAN hosts on the remote site
- B. 100% of the reads comes from vSAN hosts on the remote site
- C. 50% of the reads comes from vSAN hosts on the local site
- D. 100% of the reads comes from vSAN hosts on the local site
Answer: B
Explanation:
In the event of a failure or maintenance event, the virtual machine is restarted on the remote site. The 100% rule continues in the event of a failure. This means that the virtual machine will now read from the replica on the site to which it has failed over. One consideration is that there is no cached data on this site, so cache will need to warm for the virtual machine to achieve its previous levels of performance.
NEW QUESTION # 31
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 Mission Control
- B. VMware Tanzu Data services
- C. VMware Tanzu Kubernetes Grid
- D. VMware Tanzu Build service
Answer: C
Explanation:
Reference:
https://docs.vmware.com/en/VMware-Tanzu-Kubernetes-Grid-Integrated-Edition/index.html There is a picture with integration with vSAN
NEW QUESTION # 32
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. PFTT = 1
- C. SFTT = 0
- D. SFTT = 1
Answer: A
Explanation:
PFTT can be seen as "site failures", and you can always only tolerate 1 at most. SFTT can be seen as host failures, and you can define this between 0 and 3 https://www.yellow-bricks.com/2018/03/19/vsan-stretched-cluster-pftt-and-sftt-what-happens-when-a-full-site-fails-and-multiple-hosts-fail/
NEW QUESTION # 33
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 large vSAN witness appliance at the witness site.
- B. Deploy a new extra large vSAN witness appliance at the witness site.
- C. Configure the vSAN stretched cluster to use the new vSAN witness.
- D. Upgrade the vSAN stretched cluster to vSAN 7.0 U1.
- E. Configure the new vSAN witness as a shared witness appliance.
- F. Add the new vSAN witness appliance to vCenter Server.
Answer: A,C,E
NEW QUESTION # 34
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. Using the RVC command: vsan.resync_dashboard ~/computers/vsan-prod
- 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. Placing the vSAN Witness Host in Maintenance Mode and adding to the vSAN cluster
Answer: D
NEW QUESTION # 35
A 4-node vSAN cluster is configured with an erasure coding storage policy. The Ensure Accessibility maintenance mode was selected. While performing the maintenance, a second node fails.
What will be the impact on the vSAN cluster?
- A. There will be no impact on performance.
- B. The VMs will be in a suspended state.
- C. The performance will be degraded.
- D. The VMs will no longer be accessible.
Answer: A
NEW QUESTION # 36
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 upgrade process should be completed using host upgrade baselines in VMware vSphere Lifecycle Manager (vLCM).
- B. The vSAN nodes should be upgraded to vSphere ESXi 6.7 U3.
- C. The vSAN nodes should be upgraded to vSphere ESXi 7.0 U1.
- D. The Full data migration maintenance mode option must be chosen to protect the data during the upgrade.
- E. The Ensure accessibility, 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: C,E,F
NEW QUESTION # 37
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 to VMware vCenter Server 7.0 U1.
- C. Disable vSAN Encryption before starting the upgrade process.
- D. Choose the Allow reduced redundancy option.
- E. Set VMware Distributed Resource Scheduling (DRS) to partially automated.
- F. Upgrade all vSAN nodes to VMware vSphere 7.0 U1 using the images capability within VMware Update Manager (VUM).
Answer: B,D,F
NEW QUESTION # 38
An administrator is tasked with migrating a VMware Horizon View environment that is currently running on an NFS Datastore to VMware vSAN.
Which Horizon configuration option will not be available when configuring vSAN in Horizon View?
- A. Instant Clones
- B. Linked Clones
- C. Storage Profiles
- D. Storage Tiers
Answer: D
NEW QUESTION # 39
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. RAID 0
- C. Enable battery write-back caching
- D. Hugh queue depth
Answer: B
NEW QUESTION # 40
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?
- A. Disable vSAN Deduplication and Compression
- B. Make sure that Witness traffic is on the management NIC.
- C. Reconfigure vCenter HA Admission control
- D. Enable vCenter Single Sign-On Enhanced Linked Mode
Answer: D
NEW QUESTION # 41
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 large vSAN witness appliance at the witness site.
- B. Add the new vSAN witness appliance to vCenter Server.
- C. Deploy a new extra large vSAN witness appliance at the witness site.
- D. Configure the vSAN stretched cluster to use the new vSAN witness.
- E. Configure the new vSAN witness as a shared witness appliance.
- F. Upgrade the vSAN stretched cluster to vSAN 7.0 U1.
Answer: A,B,D
Explanation:
https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.vsan-planning.doc/GUID-05C1737A-5FBA-4AEE-BDB8-3BF5DE569E0A.html
NEW QUESTION # 42
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.
NEW QUESTION # 43
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 # 44
An administrator is planning to deploy cloud-native workloads onto the vSAN Direct datastore.
Which storage policy structure rule is supported?
- A. Host-based rules
- B. Tag-based placement rules
- C. Storage performance-based rules
- D. vVOL storage rules
Answer: B
NEW QUESTION # 45
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 Site Disaster Tolerance setting in Policy 3 to be "Dual Site Mirroring".
- B. Change the Site Disaster Tolerance setting in Policy 4 to be "None - Keep Data on Preferred".
- C. Update vSphere DRS site affinity rules so that Preferred Site workloads should not run on hosts in DC1.
- D. Update vSphere DRS site affinity rules so that Preferred Site workloads must run on hosts in DC2.
- E. Change the FTT setting in Policy 3 to be "Erasure Coding".
Answer: B,D
NEW QUESTION # 46
multiple data centers, the customer relayed the following information:
* Highest possible mitigation during a host failure in terms of capacity.
* A constraint in this year's IT budget.
What should the architect recommend?
- A. Enable operations reserve.
A minimum cluster of 3 vSAN nodes. - B. Enable host build reserve.
A minimum cluster of 4 vSAN nodes. - C. Enable IOInsight Metrics.
A minimum cluster of 2 vSAN ROBO nodes. - D. Enable performance services.
A minimum cluster of 6 vSAN nodes.
Answer: B
Explanation:
Performance services and IOinsight Metrics used for performance analysis. Operation reserve for internal VSAN operations. https://blogs.vmware.com/virtualblocks/2020/09/24/effective-capacity-management-with-vsan-7-update-1/
NEW QUESTION # 47
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. Ensure that the vSAN Encryption is enabled by default on the existing cluster to encrypt old and new data.
- D. Disable vSphere Distributed Resources Schedule (DRS) on the vSAN cluster.
Answer: B
NEW QUESTION # 48
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