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VMware 5V0-21.21 certification exam is an essential requirement for professionals who want to earn the VMware HCI Master Specialist certification. VMware HCI Master Specialist certification validates the expertise of professionals in delivering VMware solutions that enable organizations to streamline their IT operations and improve business agility. VMware HCI Master Specialist certification highlights the proficiency of professionals in managing VMware vSphere and VMware vSAN environments and troubleshooting issues that arise during the deployment and maintenance of these solutions.
NEW QUESTION # 23
An administrator notes that the Data-At-Rest Encryption keys have expired.
Which action is needed to resolve this situation?
- A. Add an additional KMS at the vCenter server level
- B. Generate new encryptions keys at the vSAN cluster level
- C. Generate new encryptions keys at the vCenter server level
- D. Add a new Standard Key Provider at the vSAN cluster level
Answer: B
NEW QUESTION # 24
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. Configure the new vSAN witness as a shared witness appliance.
- C. Upgrade the vSAN stretched cluster to vSAN 7.0 U1.
- D. Add the new vSAN witness appliance to vCenter Server.
- E. Deploy a new large vSAN witness appliance at the witness site.
- F. Configure the vSAN stretched cluster to use the new vSAN witness.
Answer: D,E,F
Explanation:
Add the appliance to vCenter Server as a witness ESXi host. Make sure to configure the vSAN VMkernel interface on the host.
https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.vsan-
planning.doc/GUID-05C1737A-5FBA-4AEE-BDB8-3BF5DE569E0A.html
NEW QUESTION # 25
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. Six nodes Hybrid vSAN cluster
- B. Five nodes All-Flash vSAN cluster
- C. Six nodes All-Flash vSAN cluster
- D. Five nodes Hybrid vSAN cluster
Answer: C
NEW QUESTION # 26
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. Six nodes Hybrid vSAN cluster
- B. Five nodes All-Flash vSAN cluster
- C. Six nodes All-Flash vSAN cluster
- D. Five nodes Hybrid vSAN cluster
Answer: C
Explanation:
https://blogs.vmware.com/virtualblocks/2018/05/24/vsan-deployment-considerations/
NEW QUESTION # 27
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 Data services
- B. VMware Tanzu Mission Control
- C. VMware Tanzu Kubernetes Grid
- D. VMware Tanzu Build service
Answer: C
NEW QUESTION # 28
A vSAN cluster recently experienced a network partition due to a major network outage. The system administrator noticed that:
- The virtual machines running on the vSAN cluster remained powered on all hosts.
- When the network was restored, some VMs were duplicated between the different ESXi hosts.
What should the administrator check to prevent this from happening again?
- A. vSphere HA Advanced Parameters
- B. vSphere HA Admission Control
- C. Proactive HA Failures and Responses
- D. vSphere DRS Advanced Parameters
Answer: A
NEW QUESTION # 29
An administrator managing a vSAN cluster of six-nodes with policy FTT-2/RAID-6 decided to put one of the nodes in maintenance mode using the "Full-data migration" option.
What will happen after this action is taken?
- A. The host will enter into maintenance mode if both components of a certain object are residing on that host, then one of the components will be moved to another available host.
- B. The host will enter in maintenance mode and only data with no redundancy will remain accessible.
- C. The system will prompt to add an additional host to the cluster in order to preserve the policy compliance.
- D. The host will enter in maintenance mode and the data will remain accessible until the host exits maintenance mode.
Answer: C
Explanation:
Let's take a look at a few unique scenarios with regard to maintenance mode. First, let's see what will happen if you have 6 hosts within your cluster, you have applied a policy containing FTT=2/RAID-6, and you want to place a host in maintenance mode using the 'Full data migration' option. This means all the data residing on the host will be evacuated to another host within the cluster. With this type of data configuration, the system will prompt you to add an additional host to the cluster in order to preserve the policy compliance. The policy will always require there must be two failures that can be tolerated, even during cluster reduction due to maintenance mode removing a host. Note that a minimum of six hosts is required to support a storage policy with RAID-6(FTT=2) erasure coding.
https://blogs.vmware.com/virtualblocks/2020/02/06/what-happens-vsan-host-in-maintenance- mode/
NEW QUESTION # 30
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 only one failed disk on the preferred site.
- B. Replace all failed disks on the preferred site.
- C. Replace access to the existing vSAN Witness Host
- D. Replace the vSAN Witness Host
Answer: C
Explanation:
The vSAN Witness Host offline and 2 failures in the Preferred Site.
In each of the above failure cases, restoring access to the existing vSAN Witness would make the object accessible.
...
Deploying a new vSAN Witness would not because the components would not be present.
https://core.vmware.com/resource/vsan-stretched-cluster-guide#sec7373-sub5
NEW QUESTION # 31
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. Host-based rules
- C. Storage performance-based rules
- D. vVOL storage rules
Answer: B
NEW QUESTION # 32
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. Obtain additional free capacity from the existing FC storage.
- B. Obtain additional free capacity from the existing NAS storage.
- C. Create an HCI Mesh using the first cluster's datastore.
- D. Create an HCI Mesh using the second cluster's datastore.
Answer: B
NEW QUESTION # 33
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 continue to have access to its VMDK.
- C. When a site is disconnected, the VM will lose access to its VMDK.
- D. Proper policies result in higher inter-site bandwidth utilization.
Answer: B
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. from https://core.vmware.com/resource/vsan-stretched-cluster-guide#sec7341-sub5
NEW QUESTION # 34
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 host build reserve.
A minimum cluster of 4 vSAN nodes. - B. Enable operations reserve.
A minimum cluster of 3 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: A
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 # 35
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 four capacity tier flash disks.
- B. Two disk groups per host, each with one cache tier flash disk and six capacity tier flash disks.
- C. One disk group per host, with one cache tier flash disk and four capacity tier flash disks.
- D. Two disk groups per host, each with one cache tier flash disk and six capacity tier magnetic disks.
Answer: B
NEW QUESTION # 36
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. The default gateway must be used as the only isolation address
- B. VMware vSphere DRS rules to force the VMs to run where the data resides
- C. One isolation address reachable only from the witness appliance in both sites
- D. One of isolation addresses should reside in the site 2 data center
- E. One of isolation addresses should reside in the site 1 data center
- F. Host isolation response must exclude the VMs required
Answer: B,D,F
NEW QUESTION # 37
While a vSAN administrator is deploying new VMs on a vSAN stretched cluster, the secondary site fails. The vSAN displays the following warning while trying to deploy those VMs:
'Datastore does not match current VM policy'.
Which step should be performed to provision the new VMs?
- A. Provision VMs with 'Force Provisioning' rule enabled.
- B. Provision VMs with the 'Object space reservation' set to 50% reservation.
- C. Provision VMs with the 'Number of disk stripes per object' set to 2.
- D. Provision VMs with a vSAN Default Storage Policy.
Answer: A
NEW QUESTION # 38
An administrator is tasked to create a custom storage policy for workloads and is including additional disk stripes while defining the storage policy.
What is the main purpose of this practice?
- A. To increase available storage space
- B. To improve performance
- C. To reconstruct corrupted data
- D. To set a failure tolerance
Answer: D
NEW QUESTION # 39
Which three steps are required to decommission a stretched cluster and convert it to a standard vSAN cluster? (Choose three.)
- A. Remove the Fault Domain configuration
- B. Repair the cluster objects
- C. Delete the witness host VM
- D. Disable and remove the stretched cluster
- E. Remove the vSAN partition schema on the disk groups
- F. Reinstall the ESXi hosts
Answer: A,B,D
Explanation:
https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.vsan-planning.doc/GUID-1D3FE3B4-1BFE-4B0E-BDC3-3D388D2BEF61.html
NEW QUESTION # 40
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 continue to have access to its VMDK.
- C. When a site is disconnected, the VM will lose access to its VMDK.
- D. Proper policies result in higher inter-site bandwidth utilization.
Answer: B
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 # 41
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VMware 5V0-21.21 certification exam is an essential credential for IT professionals who want to demonstrate their expertise in VMware's HCI technology. VMware HCI Master Specialist certification validates the candidate's skills in deploying, managing, and troubleshooting VMware-based infrastructure solutions. VMware HCI Master Specialist certification is recognized globally and can lead to new career opportunities for IT professionals in various industries.
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