Latest VMware 5V0-21.20 Exam questions and answers
TestkingPass 5V0-21.20 Exam Practice Test Questions (Updated 77 Questions)
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NEW QUESTION 40
An All-Flash vSAN cluster has 4-nodes with this disk group composition on each host:
* 1 x 800 GB SAS SSD
* 6 x 3.84 TB SATA SSD
An administrator observes that in an All-Flash cluster, the Write
Buffer Free Percentage is consistently low. As a result there is increased latency experienced by the workloads.
Which remediation steps will resolve this issue?
- A. Replace the existing cache device with a larger cache device.
- B. Add a second disk group with a new cache device and distribute the capacity disks equally.
- C. Add a second cache device to the same disk group to increase the caching size.
- D. Modify advanced vSAN configuration parameters to utilize the complete 800 GB for caching.
Answer: D
NEW QUESTION 41
Which two statements regarding networking are true for a vSAN Stretched Cluster? (Choose two.)
- A. PIM is required for stretched vSAN clusters.
- B. The vSAN data network must communicate with the vSAN witness host.
- C. A Stretched Layer 2 network is required at the vSAN data sites and at the witness site.
- D. A Stretched Cluster can use Layer 2 or Layer 3 communication for the vSAN network.
- E. A 5ms RTT or less is required between the data sites.
Answer: D,E
NEW QUESTION 42
An administrator is working with an application which has these characteristics:
* latency sensitive
* database striped over multiple virtual disks
* no application redundancy
Which storage policies meet the VM performance and cluster constraint while protecting against at least 1 failure?
- A. RAID 1, Stripe Width 1
- B. RAID 1, Stripe Width 2
- C. RAID 6, Stripe Width 2
- D. RAID 5, Stripe Width 1
Answer: D
NEW QUESTION 43
Which two statements are true about a vSAN Cluster when the vCenter Server managing it is offline? (Choose two.)
- A. Manage and view vSAN health information using RVC commands.
- B. vSAN continues to operate, but vSAN performance metrics will be lost.
- C. vSAN continues to operate and all VMs inherit the default vSAN storage policy.
- D. Use a Web browser to monitor vSAN through the vSphere Host Client.
- E. vSAN health information is available through esxcli commands.
Answer: A,B
NEW QUESTION 44
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. A general vSAN error is reported.
- B. The host will enter maintenance mode. A reduced redundancy warning is displayed.
- C. The host will enter maintenance mode. All powered-off and suspended VMs are migrated to other hosts.
- D. The host will not enter maintenance mode. The administrator is prompted to select a different data migration option.
Answer: D
NEW QUESTION 45
An administrator has been tasked with the shutdown process of one of the nodes in a 4-node vSAN Cluster, in order to replace a motherboard. The administrator must select the correct maintenance mode option to ensure all objects remain compliant with the vSAN Default Storage Policy. No changes have been made to this policy.
Which maintenance mode option should the administrator select?
- A. Full Data Migration
- B. Ensure Accessibility
- C. Allow Reduced Redundancy
- D. No Data Migration
Answer: D
NEW QUESTION 46
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. 4, 3, 2, 1, 5
- B. 3, 4, 2, 1, 5
- C. 3, 1, 4, 2, 5
- D. 4, 3, 2, 5, 1
Answer: B
Explanation:
Explanation/Reference: https://kb.vmware.com/s/article/2148975
NEW QUESTION 47
Which two statements are true about enabling deduplication and compression on an All-Flash vSAN cluster with data? (Choose two.)
- A. Move one host at a time to maintenance mode and enable deduplication and compression.
- B. On-disk format version 3.0 or later is required to support deduplication and compression.
- C. This can be enabled through storage policies and does not require any data migration.
- D. This requires data evacuation and disk format upgrade of all the disk groups.
- E. Deduplication and Compression cannot be enabled on an existing vSAN datastore with data.
Answer: B,D
Explanation:
Explanation/Reference: https://docs.vmware.com/en/VMware-vSphere/6.7/com.vmware.vsphere.virtualsan.doc/GUID- BD30E413-F870-4C25-9507-123F59D0A4B8.html
NEW QUESTION 48
A 4-node vSAN cluster has a single disk group per host. An administrator wants to increase the capacity of the vSAN datastore by adding a second disk group to each host in the cluster. The newer drives intended for the second disk group are certified and in compliance with VMware Compatibility Guide (VCG). However, the newer devices procured are of a different make and model than the existing disk group composition.
Considering the scenario, which statement is true?
- A. This configuration is supported, however a separate controller is mandatory for each disk vendor.
D18912E1457D5D1DDCBD40AB3BF70D5D - B. The Capacity Tier devices need to be the same make and model as other disk groups.
- C. This configuration is supported, however performance may vary across disk groups.
- D. The Cache Tier devices need to be the same make and model as other disk groups.
Answer: B
NEW QUESTION 49
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. Create an additional TCP/IP stack within the cluster and specify vSAN type.
- C. Use LACP on the distributed switch with a route based on IP hash algorithm.
- D. Create multiple VMkernel adapters on the same subnet for vSAN.
Answer: A
NEW QUESTION 50
Refer to the exhibit.
A vSAN Cluster stretched across Data Site 1 and Data Site 2 has a vSAN data network configured with an MTU of 9000. The witness node has been placed in a remote site across a WAN with an MTU of 1500. The vSAN health check, 'vSAN: MTU check (ping with large packet size)', reports a failed ping.
What two actions could resolve the issue? (Choose two.)
- A. Reduce the MTU from 9000 to 1500 on all vSAN VMkernel interfaces.
- B. Reconfigure WAN link to support an MTU of 9000.
- C. Reconfigure the VLAN of the witness traffic to be identical to data nodes.
- D. Stretch L2 traffic from WAN to both data sites.
- E. Configure proper routing from data sites to the witness across the WAN.
Answer: A,B
Explanation:
Explanation/Reference: https://kb.vmware.com/s/article/2141733
NEW QUESTION 51
Objects created on a stretched vSAN Cluster are deployed with the vSAN default storage policy assigned.
Where is the data protected?
- A. only across both sites
- B. only within the preferred site
- C. within and across both sites
- D. only within the non-preferred site
Answer: A
NEW QUESTION 52
Which two statements are true about a vSAN Cluster when the vCenter Server managing it is offline? (Choose two.)
- A. Manage and view vSAN health information using RVC commands.
- B. Use a Web browser to monitor vSAN through the vSphere Host Client.
- 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. vSAN health information is available through esxcli commands.
Answer: B,E
NEW QUESTION 53
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. Change the failure tolerance method of an object from RAID-1 (Mirroring) to RAID-5 (Erasure Coding).
- C. Increase the number of disk stripes for an object from 2 to 3.
- D. Increase the IOPS limit for an object.
- E. Disable object checksum on an object.
Answer: A,B
NEW QUESTION 54
An administrator is working with an application which has these characteristics:
* latency sensitive
* database striped over multiple virtual disks
* no application redundancy
Which storage policies meet the VM performance and cluster constraint while protecting against at least 1 failure?
- A. RAID 1, Stripe Width 1
- B. RAID 6, Stripe Width 2
- C. RAID 5, Stripe Width 1
- D. RAID 1, Stripe Width 2
Answer: D
NEW QUESTION 55
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. Rebuilding of the degraded components starts immediately.
- B. Storage policies must be reapplied to all affected objects.
- C. Initiate a proactive rebalance to force component repairs.
- D. Degraded components are repaired after CLOM Repair Delay Timer expires.
Answer: A
NEW QUESTION 56
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