[Dec-2021] Exam 5V0-21.20: New Brain Dump Professional - ActualVCE
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NEW QUESTION 21
A vSAN administrator is working on a 4 host homogenous vSAN Cluster that has 2 disk groups per host. One of the hosts needs to be permanently removed and repurposed for some other use.
These are the out of order steps which need to be completed:
1. Delete the disk group(s) that reside on the host you want to decommission.
2. Wait for resync traffic to complete and the host to enter maintenance mode.
3. Ensure there is sufficient capacity in the vSAN disk groups to decommission a node.
4. Put the host into maintenance mode with full data migration selected.
5. Move the ESXi host out of the cluster.
What is the correct order?
- A. 3, 4, 2, 1, 5
- B. 4, 3, 2, 1, 5
- C. 4, 3, 2, 5, 1
- D. 3, 1, 4, 2, 5
Answer: A
NEW QUESTION 22
Which storage policy can be assigned to virtual machines In a 5-node, all flash vSAN cluster, to provide the highest level of redundancy?
- A. 2 failures - RAID-1 (Mirroring)
- B. 3 failures - RAID-1 (Mirroring)
- C. 2 failures - RAID-6 (Erasure Coding)
- D. 1 failure - RAID-5 (Erasure Coding)
Answer: D
NEW QUESTION 23
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. Enable Network I/O Control and allocate higher shares for vSAN traffic.
- B. Enable jumbo frames for vSAN VMkernel ports and configure LACP for optimal load balancing.
- C. Enable network resource pool at the VDS level to prioritize vSAN traffic
- D. Configure multiple vSAN VMkernel interfaces to load balance across multiple uplinks.
- E. Configure CoS or DSCP with high priority tag at the VDS and equivalent in the physical network.
Answer: A,B
NEW QUESTION 24
Reference the exhibit:
Which two statements are accurate considering the state shown In the exhibit? (Choose two.)
- A. The problematic host will partition thus loosing connectivity from the vSAN cluster.
- B. The problematic host will experience erratic 10 performance If NTP settings are not corrected.
- C. This vSAN cluster may exhibit signs of a network partition.
- D. This vSAN cluster may experience problems with vSAN performance statistics retrieval.
- E. The problematic host should be configured to start NTP automatically and connect to the same NTP server as other hosts.
Answer: B,D
NEW QUESTION 25
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. Initiate a proactive rebalance to force component repairs.
- C. Rebuilding of the degraded components starts immediately.
- D. Storage policies must be reapplied to all affected objects.
Answer: C
NEW QUESTION 26
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 not migrate regardless of policy and state.
- 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 be migrated if it is required to be accessible.
Answer: A
NEW QUESTION 27
A customer has lost connectivity to one of their sites In a vSAN Stretched Cluster.
When connectivity is restored, what DRS setting will ensure VMs are not migrated back before resyncs are complete?
- A. DRS configured in Fully Automated mode
- B. DRS turned off
- C. DRS configured in Manual Mode
- D. DRS configured in Partially Automated mode
Answer: C
NEW QUESTION 28
The vSAN Health Check 'Hosts disconnected from vCenter Server' is reporting an error state for one host in the vSAN Cluster. All other health checks in the Network category are in a green state.
Which VMware recommended remediation task should be taken by the administrator?
- A. Restart the vSAN Management Daemon.
- B. Right-click the affected host and click Remove from Inventory.
- C. Configure a vSAN-enabled VMkernel port on the affected host.
- D. Right-click the affected host and click Connection > Connect.
Answer: A
NEW QUESTION 29
Which two must be considered when creating a vSAN solution that will utilize VMware vSphere Replication?
(Choose two.)
- A. Additional read I/O will be generated by vSphere Replication.
- B. vSAN Encryption cannot be used with vSphere Replication.
- C. Deduplication and compression must be disabled for PIT snapshots,
- D. Point-in-time snapshots count towards component limit.
- E. AES-NI must be enabled prior to using snapshots for replication,
Answer: B,C
NEW QUESTION 30
Refer to the exhibit:
There are three hosts in a vSAN cluster. All virtual machines in the cluster are assigned a storage policy with failures to tolerate set to 1 failure - RAID-1 (Mirroring). What is the result of placing a host in maintenance mode using the options shown in the image?
- A. The host will not enter maintenance mode. The administrator is prompted to select a different data migration option.
- B. The host will enter maintenance mode. A reduced redundancy warning is displayed.
- C. The host will not enter maintenance mode. A general vSAN error is reported.
- D. The host will enter maintenance mode. All powered-off and suspended VMs are migrated to other hosts.
Answer: A
NEW QUESTION 31
A vSAN administrator is changing the number of stripes in the vSAN policy from 1 to 2 on a 3-node vSAN Cluster. What is a possible impact of this policy change?
- A. Stripes will be placed on separate media, but does not guarantee separate hosts or disk groups.
- B. The amount of raw capacity required to comply with this policy will decrease by half.
- C. Policy cannot be applied as the cluster does not meet the minimum number of fault domains.
- D. The amount of raw capacity required to comply with this policy will double.
Answer: B
NEW QUESTION 32
As part of a security strategy for data, a company has elected to migrate to a new KMS system. Existing vSAN clusters are configured for Data At Rest Encryption. Considering the scenario, which statement is true?
- A. Existing unencrypted datastores can be encrypted without data migration.
- B. Full data evacuation will be required to use the new KMS system.
- C. Existing encrypted vSAN Clusters will need to be decrypted to use the new KMS system.
- D. Keys from the new KMS system can be applied without any data movement.
Answer: C
NEW QUESTION 33
A company has reserved the last Saturday of the month to conduct server maintenance. An administrator is allowed to perform maintenance from 5 AM to 12 PM. During the upcoming maintenance window, the administrator will upgrade the controller driver, controller firmware, and vSphere version.
Environment details:
* vCenter is already at the latest version
* 5 node vSAN cluster
* The VMs are using a mix of RAID-0, RAID-1, and RAID-5 policies
* Each node is storing 20 TBs worth of VMs
Which maintenance mode option will allow an administrator to successfully perform the required upgrades, while ensuring all VMs remain online?
- A. Admission Control Enabled
- B. Ensure Accessibility
- C. No Data Migration
- D. Full data migration
Answer: C
NEW QUESTION 34
An administrator observes this health check warning:
Controller firmware is VMware certified
They proceed to update the latest firmware on the Storage Controller. After a successful firmware upgrade, the same health check alert continues to display.
Which statement is true?
- A. The VMware vSAN Health Service needs to be restarted for changes to take effect.
- B. The alert can be ignored and silenced, since the firmware is newer than the recommended firmware.
- C. The recently installed firmware is yet to be certified and included in VMware Compatibility Guide.
- D. Controller is not VMware certified and hence any firmware version displays a warning.
Answer: C
NEW QUESTION 35
Which step can be avoided when replacing a capacity tier device on a controller with passthrough mode and support for hot-plug?
- A. Remove the disk from the disk group.
- B. Shut down the host.
- C. Add the new disk to the disk group.
- D. Replace the physical drive.
Answer: D
Explanation:
Explanation/Reference: https://docs.vmware.com/en/VMware-vSphere/6.5/virtual-san-66-administration-guide.pdf (31)
NEW QUESTION 36
An architect has been asked to design a vSAN Stretched Cluster. The architect will configure Microsoft Active Directory to replicate between a server on Site A (preferred) and a server on Site B (non-preferred). The architect must minimize the amount of raw storage capacity used.
Which storage policy needs to be applied to the Active Directory server on site A?
- A. None - keep data on Preferred
- B. None - stretched cluster
- C. Dual site mirroring
- D. None - standard cluster
Answer: A
NEW QUESTION 37
A customer environment includes:
* 4-node vSAN cluster
* 5 SQL servers with an OS virtual disk and database virtual disk
* Current policy uses the vSAN Default Storage policy
A vSAN administrator has created a new policy with fault tolerance method of Erasure Coding with Failures to tolerate equal to 1. The administrator will apply this new policy to the OS disk only.
Considering this scenario, which two statements are true? (Choose two.)
- A. This policy will require additional transitional space, until all objects are recreated.
- B. The object tree will have to be rebuilt when the policy is applied.
- C. vSAN policies can only be applied to entire VMs.
- D. The policy can't be applied as there are not enough nodes to comply with the policy.
- E. The policy will result is size reduction and only will require 1.5x space instead of 2x.
Answer: A,B
NEW QUESTION 38
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. There will be an object rebuild impact on performance.
- B. There will be no objects rebuilt that impact performance.
- C. The policy will need to be recreated and applied with an additional tag.
- D. FTT-2 requires another change to apply a RAID-6 configuration.
Answer: A
NEW QUESTION 39
During planned maintenance of a four-node vSAN cluster, an outsourced IT contractor accidentally removed a
2.5" SSD cache disk from one of the vSAN nodes. The storage policy has been configured with FTT=1 RAID 1, and the disk management UI marked the disk group as absent.
Which remediation steps should the administrator select to ensure VMs become compliant with the storage policy as soon as possible?
- A. remove disk group > enter host in maintenance > fully evacuate all data > exit maintenance
- B. enter host in maintenance > remove from disk group > shutdown host > replace disk > power on host
- C. replace the SSD cache disk > rescan > add disk back in disk group
- D. vSAN Health Check > retest > object health > repair objects immediately
Answer: C
Explanation:
Explanation/Reference:
NEW QUESTION 40
Which must be configured by a Kubernetes user allow for dynamic provisioning of container volumes in vSAN using storage policies?
- A. StorageClass
- B. ReplicationController
- C. ReplicaSet
- D. Pod
Answer: A
NEW QUESTION 41
An architect is designing network high availability for a new vSAN Cluster.
Which is a supported configuration for this design?
- A. Configure multicast to use two separate network interfaces for vSAN traffic.
- B. Use LACP on the distributed switch with a route based on IP hash algorithm.
- C. Create multiple VMkernel adapters on the same subnet for vSAN.
- D. Create an additional TCP/IP stack within the cluster and specify vSAN type.
Answer: A
NEW QUESTION 42
Refer to the exhibit.
An administrator is managing a 4-node, hybrid vSAN cluster. One of the hosts in the cluster went offline.
Referencing the information displayed in the resyncing objects section of the vSAN UI, what is the current state of this cluster?
- A. Resync Throttling has caused data resynchronization scheduling.
- B. Objects will be resynchronized when the Object Repair Timer expires.
- C. Metadata resynchronization is scheduled to occur every 60 minutes.
- D. Offline host reconnected to the cluster and all objects are synchronized.
Answer: C
Explanation:
Explanation/Reference: https://core.vmware.com/resource/vsan-2-node-guide#sec11-sub3
NEW QUESTION 43
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