[Oct 22, 2021] Latest 5V0-21.20 Exam with Accurate VMware HCI Master Specialist PDF Questions
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NEW QUESTION 38
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 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
NEW QUESTION 39
Which two statements are true about enabling deduplication and compression on an All-Flash vSAN cluster with data? (Choose two.)
- A. This requires data evacuation and disk format upgrade of all the disk groups.
- B. Deduplication and Compression cannot be enabled on an existing vSAN datastore with data.
- C. On-disk format version 3.0 or later is required to support deduplication and compression.
- D. Move one host at a time to maintenance mode and enable deduplication and compression.
- E. This can be enabled through storage policies and does not require any data migration.
Answer: A,C
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 40
Which step can be avoided when replacing a capacity tier device on a controller with passthrough mode and support for hot-plug?
- A. Add the new disk to the disk group.
- B. Replace the physical drive.
- C. Remove the disk from the disk group.
- D. Shut down the host.
Answer: B
NEW QUESTION 41
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 42
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. Configure proper routing from data sites to the witness across the WAN.
- 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. Reduce the MTU from 9000 to 1500 on all vSAN VMkernel interfaces.
Answer: B,E
Explanation:
Explanation/Reference: https://kb.vmware.com/s/article/2141733
NEW QUESTION 43
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 44
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. Add a second disk group with a new cache device and distribute the capacity disks equally.
- B. Add a second cache device to the same disk group to increase the caching size.
- C. Replace the existing cache device with a larger cache device.
- D. Modify advanced vSAN configuration parameters to utilize the complete 800 GB for caching.
Answer: D
NEW QUESTION 45
The Cloud Native Storage control plane in vSphere allows an administrator to provision storage directly from which cloud technology?
- A. vRealize Automation
- B. Kubernetes Clusters
- C. AWS EC2 instances
- D. Docker nodes
Answer: B
NEW QUESTION 46
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 - stretched cluster
- B. Dual site mirroring
- C. None - standard cluster
- D. None - keep data on Preferred
Answer: D
NEW QUESTION 47
Which two are requirements for Kubernetes cluster virtual machines when leveraging vSphere Cloud Native Storage (CNS)? (Choose two.)
- A. set the disk.EnableUUID advanced setting to TRUE
- B. Set the Disk Mode to Independent
- C. virtual machine hardware version 15 or higher
- D. configure UEFI firmware
- E. minimum of 4 vCPUs per node
Answer: A,D
NEW QUESTION 48
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 49
An architect is designing network high availability for a new vSAN Cluster.
Which is a supported configuration for this design?
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- A. Use LACP on the distributed switch with a route based on IP hash algorithm.
- B. Configure multicast to use two separate network interfaces for vSAN traffic.
- 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: B
NEW QUESTION 50
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 51
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. Policy cannot be applied as the cluster does not meet the minimum number of fault domains.
- B. The amount of raw capacity required to comply with this policy will double.
- C. Stripes will be placed on separate media, but does not guarantee separate hosts or disk groups.
- D. The amount of raw capacity required to comply with this policy will decrease by half.
Answer: D
NEW QUESTION 52
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 53
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 errands timemachine get
- B. esxcli vsan cluster get
- C. esxcli vsan storage list
- D. esxcli vsan health cluster list
Answer: A
NEW QUESTION 54
A healthy vSAN Stretched Cluster has the existing vSAN Witness Host swapped for a new vSAN Witness Host using the "Change Witness Host" wizard.
If the administrator takes no further action, which two does the vSAN Health Check report show? (Choose two.)
- A. Data - vSAN Object Health - Healthy
- B. Performance Service - Stats DB Object - object health - green
- C. Performance Service - Stats DB Object - object exists - green
- D. Performance Service - Stats DB Object - object health - red
- E. Data - vSAN Object Health - Reduced availability with no rebuild
Answer: D,E
NEW QUESTION 55
Reference the chart.
An IT team is required to size a 4-Node Hybrid vSAN cluster. Four possible configurations have been proposed to meet the requirement of failure to tolerate of one
Each disk group has its own controller.
Which node configuration provides the highest level of resilience?
- A. Option A
- B. Option D
- C. Option B
- D. Option C
Answer: B
NEW QUESTION 56
Which two statements are true about enabling deduplication and compression on an All-Flash vSAN cluster with data? (Choose two.)
- A. This requires data evacuation and disk format upgrade of all the disk groups.
- B. Deduplication and Compression cannot be enabled on an existing vSAN datastore with data.
- C. On-disk format version 3.0 or later is required to support deduplication and compression.
- D. Move one host at a time to maintenance mode and enable deduplication and compression.
- E. This can be enabled through storage policies and does not require any data migration.
Answer: A,C
NEW QUESTION 57
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: D
NEW QUESTION 58
Which is true about vSAN fault domains?
- A. A vSAN Stretched cluster has two primary fault domains.
- B. A vSAN Stretched Cluster has three primary fault domains.
- C. A 2-node vSAN Cluster has two primary fault domains.
- D. A vSAN Standard Cluster cannot be configured with fewer than 3 fault domains.
Answer: A
NEW QUESTION 59
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