Ultimate Guide to Prepare 5V0-21.20 Certification Exam for Master Specialist HCI 2020 in 2021
Use Real 5V0-21.20 Dumps - VMware Correct Answers updated on 2021
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What is the duration, language, and format of 5V0-21.20: VMware HCI Master Specialist Exam
- Passing Score 300
- Type of Questions: Single and Multiple Choice, Proctored.
- Length of Examination: 120 mins
- Number of Questions: 60
- Language: English
NEW QUESTION 31
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 not 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 be live migrated to another host not in maintenance mode and storage objects will not migrate regardless of policy and state.
- 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: B
NEW QUESTION 32
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 2
- B. RAID 1, Stripe Width 1
- C. RAID 6, Stripe Width 2
- D. RAID 5, Stripe Width 1
Answer: D
NEW QUESTION 33
What are two factors to consider prior to placing a vSAN node into Maintenance Mode with full data migration? (Choose two.)
- A. vSAN must be disabled from command line on the host.
- B. vSAN node must be removed from the cluster.
- C. Sufficient vSAN free storage capacity must exist.
- D. VMs registered to the host must be powered off.
- E. Number of fault domains required to satisfy storage policies.
Answer: A,C
NEW QUESTION 34
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 35
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 36
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. 1 failure - RAID-5 (Erasure Coding)
- C. 3 failures - RAID-1 (Mirroring)
- D. 2 failures - RAID-6 (Erasure Coding)
Answer: D
NEW QUESTION 37
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 38
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. Manage and view vSAN health information using RVC commands.
- C. Use a Web browser to monitor vSAN through the vSphere Host Client.
- D. vSAN continues to operate and all VMs inherit the default vSAN storage policy.
- E. vSAN health information is available through esxcli commands.
Answer: C,E
NEW QUESTION 39
An administrator is planning to upgrade from vSAN 6.6 to a newer version. Which is recommended for this upgrade?
- A. From the command line, turn multicast off in order to migrate to unicast mode.
- B. Perform a rolling upgrade of the hosts via vSphere Update Manager after upgrading vCenter.
- C. vSAN VASA Providers must be changed to be internally managed prior to the upgrade.
- D. Certificates used by VASA must be upgraded on vSphere prior to the upgrade.
Answer: B
NEW QUESTION 40
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 no objects rebuilt that impact performance.
- B. The policy will need to be recreated and applied with an additional tag.
- C. FTT-2 requires another change to apply a RAID-6 configuration.
- D. There will be an object rebuild impact on performance.
Answer: A
NEW QUESTION 41
An administrator is patching a production Stretched Cluster using VMware Update Manager.
Which statement is accurate?
- A. Witness hosts cannot be patched or upgraded using VMware Update Manager.
- B. The witness host does not need to be upgraded as there is no data on the node, just metadata.
- C. The witness hosts can be patched using normal patch processes with VMware Update Manager.
- D. The witness host must be deleted and a new witness host must be deployed.
Answer: C
NEW QUESTION 42
Which is true about vSAN fault domains?
- A. A vSAN Standard Cluster cannot be configured with fewer than 3 fault domains.
- B. A vSAN Stretched cluster has two primary fault domains.
- C. A vSAN Stretched Cluster has three primary fault domains.
- D. A 2-node vSAN Cluster has two primary fault domains.
Answer: B
NEW QUESTION 43
Where would an administrator enable deduplication and compression in a vSAN environment?
- A. at the host level using ESXCLI commands
- B. at the object level using storage policies
- C. at the cluster level under vSAN services
- D. at the disk group level
Answer: B
NEW QUESTION 44
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. Disable object checksum on an object.
- E. Increase the IOPS limit for an object.
Answer: A,B
Explanation:
Explanation/Reference: https://cormachogan.com/2018/02/21/policy-changes-can-trigger-rebuild-vsan/
NEW QUESTION 45
A storage administrator is consolidating 2 data centers running on an HCI platform. There is a single site deployment of VMs running on the HCI platform with vSAN encryption. The administrator would like to protect data using replication and has these tools available:
* vSphere replication
* VM encryption
* VMware vSAN
Considering the scenario, which statement is correct?
- A. If VMs have encrypted disks, the VM storage policy has a choice of encrypted or not encrypted.
- B. If source VMs have encrypted disks, the target storage policy cannot include a VM encryption rule.
- C. Encrypted VM disks are not supported with VMware vSAN, only encrypted vSAN datastore.
- D. If a source VM has encrypted disks, the VM storage policy must be encrypted.
Answer: C
NEW QUESTION 46
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 complete but VM IO will fail.
- B. VM deployment will fail.
- C. VM deployment will be deferred by vCenter.
- D. VM deployment will complete but performance will be degraded.
Answer: D
NEW QUESTION 47
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 not be possible as vSAN would not allow it.
- C. The additional disk group would make this cluster an unsupported configuration.
- D. The additional disk group would work and be fully supported by VMware support.
Answer: C
Explanation:
Explanation/Reference: https://blogs.vmware.com/virtualblocks/2019/04/18/vsan-disk-groups/
NEW QUESTION 48
An administrator is designing a network for a vSAN cluster.
What is the recommendation for the cluster's network configuration?
- A. Create separate VMkernel ports for Management, vSAN, and vMotion.
- B. Set the Multicast filtering mode in the virtual distributed switch to IGMP/MLD snooping.
- C. Set shares within Network I/O Control (NIOC) to prefer vMotion traffic over vSAN traffic.
- D. Create separate distributed switches for Management, vSAN, and vMotion.
Answer: A
NEW QUESTION 49
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
NEW QUESTION 50
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. Ensure Accessibility
- B. No Data Migration
- C. Full Data Migration
- D. Allow Reduced Redundancy
Answer: B
NEW QUESTION 51
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Master Specialist HCI 2020 -5V0-21.20 Exam-Practice-Dumps: https://www.pass4training.com/5V0-21.20-pass-exam-training.html
