5V0-21.20 Training & Certification Get Latest Master Specialist HCI 2020 Updated on Sep 22, 2021
Certification Training for 5V0-21.20 Exam Dumps Test Engine
NEW QUESTION 42
An architect has been asked to plan the Impact of a storage policy change to one of the production All-Flash based vSAN datastores. The change will reduce the failures to tolerate value from 2 to 1 for objects with a RAID-1 (Mirroring) layout in the existing policy. This change will be applied to multiple VMs.
Which statement is correct in this scenario?
- A. The policy will need to be recreated and applied with an additional tag.
- B. There will be an object rebuild impact on performance.
- C. There will be no objects rebuilt that impact performance.
- D. FTT-2 requires another change to apply a RAID-6 configuration.
Answer: B
NEW QUESTION 43
A vSAN administrator needs to satisfy availability and compliance requirements to build end-to-end resiliency for a vSAN Network. Which design option meets this requirement?
- A. Configure two VMkernel interfaces with one NIC each connecting to two disparate physical network fabrics.
- B. Migrate vSAN VMkernel port and its uplinks to vSphere Distributed Switch and configure LACP.
- C. Migrate vSAN VMkernel port and its uplinks to vSphere Distributed Switch and configure Network I/O
- D. Control (NIOC). Configure two NICs as active adapters(Active/Active) to the existing vSAN VMkernel interface.
Answer: B
NEW QUESTION 44
An administrator needs to perform an urgent maintenance activity on a host that is part of a 3-node vSAN cluster. All the disk groups in the cluster are balanced. They need to choose a maintenance mode option to ensure:
*There is no downtime to any of the virtual machines running in the cluster
*Virtual Machine accessibility is maintained
*No data is left on the host that could possibly cause data loss
Which statement is true if the administrator chooses 'Ensure accessibility' as the maintenance mode option?
- A. Only VMs will be migrated with vMotion and no data migration will occur.
- B. Data Migration is minimized even if VM becomes non-compliant with its storage policy.
- C. All VMs and data on host will be migrated to ensure that there is no data loss.
- D. All data on the host going into maintenance mode will be evacuated.
Answer: B
NEW QUESTION 45
Reference the exhibit:
Which two statements are accurate considering the state shown In the exhibit? (Choose two.)
- A. The problematic host should be configured to start NTP automatically and connect to the same NTP server as other hosts.
- B. This vSAN cluster may experience problems with vSAN performance statistics retrieval.
- C. The problematic host will experience erratic 10 performance If NTP settings are not corrected.
- D. This vSAN cluster may exhibit signs of a network partition.
- E. The problematic host will partition thus loosing connectivity from the vSAN cluster.
Answer: B,C
NEW QUESTION 46
Which two storage policy changes require a full rebuild of all components for an object? (Choose two.)
- A. Reduce the Primary Failures to Tolerate from 2 to 1 for an object using a failure tolerance method of RAID-
1 (Mirroring.) - B. Increase the IOPS limit for an object.
- C. Change the failure tolerance method of an object from RAID-1 (Mirroring) to RAID-5 (Erasure Coding).
- D. Disable object checksum on an object.
- E. Increase the number of disk stripes for an object from 2 to 3.
Answer: A,C
Explanation:
Explanation/Reference: https://cormachogan.com/2018/02/21/policy-changes-can-trigger-rebuild-vsan/
NEW QUESTION 47
Refer to the exhibit:
The vSAN Health service is reporting VSAN Cluster Partition' warning. The partition list shows all hosts from rack 1 in a single partition and all hosts from rack 2 in another partition.
Which hardware component requires investigation to resolve the cluster partition?
- A. vSAN Master node
- B. core switch
- C. ToR switches
- D. NICs on each host in Rack 2
Answer: C
NEW QUESTION 48
Which two statements are true about a vSAN Cluster when the vCenter Server managing it is offline? (Choose two.)
- A. vSAN continues to operate, but vSAN performance metrics will be lost.
- B. Use a Web browser to monitor vSAN through the vSphere Host Client.
- C. Manage and view vSAN health information using RVC commands.
- D. vSAN continues to operate and all VMs inherit the default vSAN storage policy.
- E. vSAN health information is available through esxcli commands.
Answer: A,C
NEW QUESTION 49
An administrator would like to put a vSAN host in an existing vSAN Cluster in maintenance mode. vMotion is configured and DRS is set to Fully Automated and all other advanced settings are their defaults.
The administrator uses this PowerCU command:
Set-VMHost -VMHost "esxi-hoat01.corp.local" -State "Maintenance"
What is the default behavior?
- A. Virtual machines will be live migrated to another host not in maintenance mode and storage objects will be migrated if it is required to be accessible.
- B. Virtual machines will not be live migrated to another host not in maintenance mode and storage objects will be migrated if it is required to be accessible.
- C. Virtual machines will be live migrated and all storage objects residing on this host will migrate to another host that is not in maintenance mode.
- D. Virtual machines will be live migrated to another host not in maintenance mode and storage objects will not migrate regardless of policy and state.
Answer: D
NEW QUESTION 50
A 3-node All-Flash vSAN cluster has this configuration:
* One disk group per host
* All disk groups have identical make & model disks of an 800GB NVMe SSD cache and 2x 4TB SAS SSDs each An administrator has been tasked with expanding storage capacity by adding one additional disk group with this configuration:
* 1.6TB SAS SSD cache and 1x 4TB SAS SSDs
Assuming all the disks are compliant with the vSAN HCL, which is true?
- A. The additional disk group will generate an 'Advanced vSAN Configuration in sync' health check warning.
- B. The additional disk group would work and be fully supported by VMware support.
- C. The additional disk group would make this cluster an unsupported configuration.
- D. The additional disk group would not be possible as vSAN would not allow it.
Answer: C
Explanation:
Explanation/Reference: https://blogs.vmware.com/virtualblocks/2019/04/18/vsan-disk-groups/
NEW QUESTION 51
When designing a vSAN Cluster, which three should be considered when sizing a vSAN datastore? (Choose three.) D18912E1457D5D1DDCBD40AB3BF70D5D
- A. cache disks with 10% of the Disk Group
- B. Storage Policy or Policies to be used
- C. On-Disk Format overheard
- D. endurance level of capacity disk used
- E. vSAN Slack Space
- F. capacity device queue depth
Answer: B,E,F
NEW QUESTION 52
A failed storage controller has two vSAN disk groups attached. The components contained on the dnves in those disk groups are marked Degraded. vSAN reports that some objects do not comply with their assigned storage policy.
How is the compliance issue resolved?
- A. Degraded components are repaired after CLOM Repair Delay Timer expires.
- B. Rebuilding of the degraded components starts immediately.
- C. Initiate a proactive rebalance to force component repairs.
- D. Storage policies must be reapplied to all affected objects.
Answer: B
NEW QUESTION 53
An infrastructure architect is submitting a proposal for a vSAN Cluster. These are the customer's requirements:
*Maximize the amount of usable capacity.
*Deduplication and compression will be enabled to help maximize usable capacity.
Which disk group configuration should the architect include in their design?
- A. Three disk groups with one flash device for cache and two flash devices for capacity per disk group.
- B. Five disk groups with one flash device for cache and one magnetic device for capacity per disk group.
- C. One disk group with one flash device for cache and six magnetic devices for capacity.
- D. One disk group with one flash device for cache and six flash devices for capacity.
Answer: A
NEW QUESTION 54
A vSAN disk group contains one cache drive and four capacity drives. A drive that belongs to this disk group has failed. The entire disk group containing the failed drive is offline.
What are two possible reasons the entire disk group is offline? (Choose two.)
- A. The failed drive is configured as a cache drive for the disk group.
- B. Data-at-rest encryption is enabled for the disk group.
- C. Deduplication and compression is enabled on the cluster.
- D. Two capacity drives in the disk group are offline.
- E. RAID-5/6 (Erase Coding) is one of the failure tolerance methods in use.
Answer: A,D
NEW QUESTION 55
A major upgrade of the ESXi code on an existing vSAN cluster was Just completed. Upon logging on to the vSphere Web Client, the vSphere administrator encounters UI timeouts on vSAN specific menus.
What could cause this?
- A. vCenter Server has yet to be upgraded.
- B. vSAN Performance Service is offline.
- C. vSAN on-disk format has yet to be upgraded.
- D. vSphere Update Manager is offline.
Answer: A
NEW QUESTION 56
An administrator would like to put a vSAN host in an existing vSAN Cluster in maintenance mode. vMotion is configured and DRS is set to Fully Automated and all other advanced settings are their defaults.
The administrator uses this PowerCLI command:
Set-VMHost -VMHost "esxi-host01.corp.local" -State "Maintenance"
What is the default behavior?
- A. Virtual machines will be live migrated to another host not in maintenance mode and storage objects will be migrated if it is required to be accessible.
- B. Virtual machines will be live migrated and all storage objects residing on this host will migrate to another host that is not in maintenance mode.
- C. Virtual machines will not be live migrated to another host not in maintenance mode and storage objects will be migrated if it is required to be accessible.
- D. Virtual machines will be live migrated to another host not in maintenance mode and storage objects will not migrate regardless of policy and state.
Answer: B
NEW QUESTION 57
What is the key factor when sizing the Witness Host for a vSAN Stretched Cluster?
- A. number of maximum components supported
- B. size of the cache tier within the witness appliance
- C. number of vCPUs within the Witness appliance
- D. size of the ESXi boot drive to account for metadata
Answer: C
NEW QUESTION 58
Which two statements are true about a vSAN Cluster when the vCenter Server managing it is offline? (Choose two.)
- A. vSAN health information is available through esxcli commands.
- B. Manage and view vSAN health information using RVC commands.
- C. vSAN continues to operate, but vSAN performance metrics will be lost.
- D. vSAN continues to operate and all VMs inherit the default vSAN storage policy.
- E. Use a Web browser to monitor vSAN through the vSphere Host Client.
Answer: A,E
NEW QUESTION 59
The clomd service has stopped on 1 host in a 3 node vSAN cluster. All other services on the host, as well as the other 2, are healthy. Additionally, the unmodified vSAN Default Storage Policy is in use.
Which would be an expected outcome for a new VM deployed into the vSAN cluster?
- A. VM deployment will be deferred by vCenter.
- B. VM deployment will fail.
- C. VM deployment will complete but VM 10 will fail.
- D. VM deployment will complete but performance will be degraded.
Answer: B
NEW QUESTION 60
An administrator Is reassessing subnet use in preparation for migrating existing vSAN Clusters to a new subnet.
Which steps should the administrator perform to ensure all VMs remain online during the vSAN network subnet migration?
- A. Migrate current vSAN VMkernel ports to a distributed switch and enable vSphere Network I/O Control.
- B. Migrate the VMs using Storage vMotion off the vSAN datastore and rebuild a new vSAN Cluster using the new subnet.
- C. Add a second VMkernel port on the new subnet for all hosts and remove original vSAN VMkernel ports.
- D. Place the hosts Into maintenance mode and update the IP addresses of the current vSAN VMkernel ports to the new subnet.
Answer: A
NEW QUESTION 61
A vSAN administrator wants to implement end-to-end prioritization of vSAN traffic across the network in a shared network infrastructure that is using vSphere Distributed Switches (VDS).
Which two can help achieve this objective? (Choose two.)
- A. Configure CoS or DSCP with high priority tag at the VDS and equivalent in the physical network.
- B. Enable network resource pool at the VDS level to prioritize vSAN traffic
- C. Configure multiple vSAN VMkernel interfaces to load balance across multiple uplinks.
- D. Enable jumbo frames for vSAN VMkernel ports and configure LACP for optimal load balancing.
- E. Enable Network I/O Control and allocate higher shares for vSAN traffic.
Answer: D,E
NEW QUESTION 62
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Step by Step Guide to Prepare for 5V0-21.20 Exam: https://www.actual4cert.com/5V0-21.20-real-questions.html