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Certification Provider: Vmware Exam Name: VMware HCI Master Specialist Exam Code: 5V0-21.21 Official Exam Time: 100 minutes Number of questions in the Official Exam: 50 Q&As Latest update time in our database: September 27,2023 5V0-21.21 Official Exam Topics:
Topic1 : Architecture and Technologies
Topic2 : VMware Products and Solutions / Given a scenario, identify the VMware products and solutions that will interact with a vSAN Solution
Topic3 : Given a scenario, identify the VMware products and solutions that will consume a vSAN solution. / Planning and Designing
Topic4 : Given a scenario, identify the appropriate vSAN cluster design. / Given a scenario, identify the appropriate vSAN services design.
Topic5 : Use vSAN design and sizing tools (sizing Cache tier for workload; no of nodes; VM sizing; Live Optics; HCI Bench etc.) / Given a scenario, identify the implications of integrating VMware solutions with vSAN.
Topic6 : Given a scenario, identify how to plan and size a vSAN implementation. / Installing, Configuring, and Setup
Topic7 : Performance-tuning, Optimization, and Upgrades / Given a scenario, identify the appropriate vSAN upgrade methodology.
Topic8 : Given a scenariq identify how to apply the appropriate maintenance mode option. / Given a scenario, identify the appropriate method for managing disks and disk groups.
Topic9 : Troubleshooting and Repairing / Given a scenario, identify the appropriate action to recover from a vSAN or infrastructure failure.
Topic10 : Given a scenario, identify the steps to troubleshoot a stretched vSAN cluster. / Evaluate performance information in the UI and using vsantop
Topic11 : Administrative and Operational Task / Identify vSAN data placement changes (stretched clusters, fault domains)
Topic12 : Identify the operational tasks required to manage an encrypted vSAN. / Given a scenario, identify the impact of making changes to a storage policy.
Topic13 : Given a scenario, identify the tasks to manage a stretched vSAN cluster. /
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 . Reconfigure vCenter HA Admission control C . Enable vCenter Single Sign-On Enhanced Linked Mode D . Make sure that Witness traffic is on the management NI
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 cluster DRS threshold has been set to Aggressive. B . There is a vSAN node failure. C . The vSAN Resync throttling is enabled. D . The object repair timer value has been increased. E . The vSAN policy protection level has changed from FTT=0 to FTT=1.
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 . Add the new vSAN witness appliance to vCenter Server. B . Deploy a new large vSAN witness appliance at the witness site. C . Configure the vSAN stretched cluster to use the new vSAN witness. D . Deploy a new extra large vSAN witness appliance at the witness site. E . Upgrade the vSAN stretched cluster to vSAN 7.0 U1. F . Configure the new vSAN witness as a shared witness appliance.
An administrator is setting up vSAN file services on a vSAN cluster.
Which two security policies on the distributed port groups are automatically enabled in the process? (Choose two.) A . Forged Transmits B . Promiscuous Mode C . DVFiltering D . Jumbo Frames E . MacLearning
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 . Disconnect from vCenter Server C . Place the host in maintenance mode with Full Data migration D . Place the host in maintenance mode with no data migration E . Remove from vSAN cluster F . Delete the disk group(s) on the legacy host
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 . Make vCenter Server trust the KMS, either by trusting the KMS or by uploading a KMS certificate. 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.
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:
– 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 . Install an additional 400 GB SSD and 4 x 1.8 TB SSDs per vSAN node. B . Update the existing Disk Group, and claim the newly installed drives for each node. C . Create a new Disk Group, and claim the newly installed cache and capacity SSD drives for each node. D . Install an additional 3 x 1.8 TB SSDs per vSAN node. E . Replace existing SSDs with an 800 GB SSD and 4 x 3.8 TB SSDs per vSAN node.
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 . Restore the communication with the KMS server, and re-establish the trust relationship. C . Replace the caching device in each affected disk group. D . Run /etc/init.d/vsanvpd restart to rescan the VASA providers.