[Sep 05, 2021] 5V0-21.20 Dumps Full Questions - Exam Study Guide

Master Specialist HCI 2020  Free Certification Exam Material from BraindumpsIT with 77 Questions

NEW QUESTION 17
Which two statements regarding networking are true for a vSAN Stretched Cluster? (Choose two.)

• A. The vSAN data network must communicate with the vSAN witness host.
• B. a 5ms RTT or less is required between the data sites.
• 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. PIM is required for stretched vSAN clusters.

Answer: B,C

 

NEW QUESTION 18
Which must be configured by a Kubernetes user allow for dynamic provisioning of container volumes in vSAN using storage policies?

• A. StorageClass
• B. ReplicaSet
• C. ReplicationController
• D. Pod

Answer: A

Explanation:
Explanation/Reference: https://vmware.github.io/vsphere-storage-for-kubernetes/documentation/policy-based-mgmt.html

 

NEW QUESTION 19
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 20
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. Objects will be resynchronized when the Object Repair Timer expires.
• B. Resync Throttling has caused data resynchronization scheduling.
• 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 21
Three-months ago, an administrator deployed vReahze Operations Manager from vCenter to manage his newly deployed four-node vSAN 6.7 All-Flash cluster. What must the administrator do to continue using vRealize Operations Dashboards for vSAN?

• A. Reconfigure the vSAN cluster.
• B. Apply the correct license to the vSAN cluster.
• C. Reconfigure the vRealize Operations Manager.
• D. Upgrade vRealize Operation Manager.

Answer: C

 

NEW QUESTION 22
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 23
A company Is using vSAN Data At Rest Encryption. vCenter is placed on a separate management cluster with external storage. The external storage system has suffered from a disk error and the vCenter Server restore from backup has been unsuccessful, due to media errors.
Considering the scenario, which statement Is true?

• A. A new vCenter can be deployed using the existing KMS profile and associated with the existing vSAN encrypted clusters.
• B. The data within the vSAN datastore is lost, if the hosts are powered off.
• C. All encrypted disk groups become unmounted and remain offline until vCenter Server is back online.
• D. The VMs on the vSAN datastore need to be migrated to another datastore as quickly as possible to prevent data loss.

Answer: D

 

NEW QUESTION 24
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 25
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 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 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 27
What are two factors to consider prior to placing a vSAN node into Maintenance Mode with full data migration? (Choose two.)

• A. vSAN node must be removed from the cluster.
• B. Number of fault domains required to satisfy storage policies.
• C. vSAN must be disabled from command line on the host.
• D. Sufficient vSAN free storage capacity must exist.
• E. VMs registered to the host must be powered off.

Answer: C,D

 

NEW QUESTION 28
A vSAN all-flash environment with these host specifications has reported high network latency, write latency, and faces degraded performance:
* One 1Gbps (vSAN, vMotion Traffic)
* One 1Gbps (Management, Fault Tolerance traffic)
Based on the specifications of each host, what is recommended to resolve the issue?

• A. collapse all traffic into one 1Gbps NIC
• B. change MTU to 9000
• C. change stripe width to 12
• D. collapse all traffic shared under two 10Gbps NICs

Answer: D

 

NEW QUESTION 29
Which Kubernetes component must be configured to allow for dynamics provisioning of container volumes on vSAN?

• A. vSphere Cloud Storage Plugin
• B. vSphere Container Storage Interface driver
• C. Cinder
• D. glusterfs

Answer: B

Explanation:
Explanation/Reference: https://docs.vmware.com/en/VMware-vSphere/6.7/Cloud-Native-Storage/GUID-AD5AE35E-5209-
4775-988C-F86D0E4F0C29.html

 

NEW QUESTION 30
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An administrator is tasked with expanding an existing 2-node vSAN cluster at a remote site to meet the increasing storage capacity requirement by 30%. The existing cache is underutilized.
Which solution provides the best configuration that maximizes existing ROI?

• A. Add capacity drives to existing disk groups.
• B. Replace all cache and capacity with larger drives.
• C. Scale out one more node.
• D. Scale out two more nodes.

Answer: A

 

NEW QUESTION 31
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. There will be an object rebuild impact on performance.
• D. FTT-2 requires another change to apply a RAID-6 configuration.

Answer: A

 

NEW QUESTION 32
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 33
An administrator observes a significant amount of vSAN backend traffic at the cluster level. What are two possible causes? (Choose two.)

• A. The host entered maintenance mode with no data migration.
• B. The host is rebuilding vSAN logs in the cache tier after a reboot.
• C. vSAN is performing data resynchronizations after a host failure.
• D. The migration of virtual machines to the vSAN datastore using Storage vMotion is occurring.
• E. vSAN Stretched Cluster storage policy was assigned to virtual machines in a vSAN standard cluster,

Answer: C,D

 

NEW QUESTION 34
An administrator is designing a network for a vSAN cluster.
What is the recommendation for the cluster's network configuration?

• A. Create separate distributed switches for Management, vSAN, and vMotion.
• B. Create separate VMkernel ports for Management, vSAN, and vMotion.
• C. Set shares within Network I/O Control (NIOC) to prefer vMotion traffic over vSAN traffic.
• D. Set the Multicast filtering mode in the virtual distributed switch to IGMP/MLD snooping.

Answer: B

 

NEW QUESTION 35
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 36
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. Encrypted VM disks are not supported with VMware vSAN, only encrypted vSAN datastores.
• C. If a source VM has encrypted disks, the VM storage policy must be encrypted.
• D. If source VMs have encrypted disks, the target storage policy cannot include a VM encryption rule.

Answer: B

 

NEW QUESTION 37
An administrator receives an alert for vCenter being unavailable. With vCenter running on vSAN, the administrator wants to know if any other VMs are impacted.
What command can an administrator run to determine the overall health of the vSAN objects?

• A. esxcli vsan cmmds timemachine get
• B. esxcli vsan cluster get
• C. esxcli vsan storage list
• D. esxcli vsan health cluster list

Answer: B

Explanation:
Explanation/Reference: https://www.vmware.com/content/dam/digitalmarketing/vmware/en/pdf/products/vsan/vmware- virtual-san-health-check-guide-6.1.pdf (66)

 

NEW QUESTION 38
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-6 (Erasure Coding)
• B. 1 failure - RAID-5 (Erasure Coding)
• C. 2 failures - RAID-1 (Mirroring)
• D. 3 failures - RAID-1 (Mirroring)

Answer: A

 

NEW QUESTION 39
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 40
An administrator arrives at work and begins their morning checks on a four node, all-flash vSAN Cluster.
They notice the vSAN datastore reached 99% capacity due to a single node failure.
How can the administrator provide temporary relief?

• A. change FTT=1 with RAID-5 (Erasure coding) to FTT=0 No data redundancy
• B. change FTT=1 with RAID-1 (Mirroring) to FTT=1 with RAID-5 (Erasure coding)
• C. change FTT=1 with RAID-1 (Mirroring) to FTT=0 No data redundancy
• D. change FTT=1 with RAID-5 (Erasure coding) to FTT=1 with RAID-1 (Mirroring)

Answer: B

 

NEW QUESTION 41
Which must be configured by a Kubernetes user allow for dynamic provisioning of container volumes in vSAN using storage policies?

• A. StorageClass
• B. ReplicaSet
• C. ReplicationController
• D. Pod

Answer: A

 

NEW QUESTION 42
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