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VMware Specialist - vSAN 2021問題集で5V0-22.21試験完全版問題、試験学習ガイド
質問 41
A vSAN administrator has been asked to encrypt all traffic for data and metadata across all hosts in a vSAN cluster.
Which action is necessary to achieve this level of encryption?
- A. Enable vSAN Cluster level encryption via Storage Policy. No KMS is required.
- B. Deploy KMS server, and enable vSAN Data at Rest encryption at the cluster level.
- C. Enable vSAN Data In-Transit encryption at the cluster level. No KMS is required.
- D. Deploy KMS server, and enable vSAN Data at Rest and In-Transit encryption at the host level.
正解: C
質問 42
A 5-node vSAN cluster contains multiple virtual machines, and a vSAN storage policy with the rule "Failures to tolerate" set to "1 failure - RAID-5 (Erasure Coding)" is assigned. A vSAN administrator has changed the rile in the assigned policy to "2 failures - RAID-6 (Erasure Coding)".
What is the result of this change?
- A. Changes are queued for 60 minutes.
- B. No changes occur until the policy is reapplied.
- C. The updated policy is serially applied to the virtual machines.
- D. The policy change is rejected immediately.
正解: A
質問 43
An administrator has discovered that space utilized by VMs does not decrease after deleting files and folders within the VMs. The administrator needs to be able to reclaim this space.
Which action could the administrator take to accomplish this task?
- A. Reboot the VM to recreate the swap file.
- B. Set the Object Space Reservation rule to 100%.
- C. Disable Storage I/O Control for the vSAN cluster.
- D. Enable TRIM/UN MAP for the vSAN cluster.
正解: D
質問 44
When attempting to add a directly attached disk device to a host disk group, the intended disk does not show among the available devices in disk management.
Which action should be taken?
- A. Delete all device partitions
- B. Create a VMFS partition
- C. Format the existing partition
- D. Create a 1GB metadata partition
正解: A
質問 45
In a 2-node vSAN cluster, one node has recovered from failure with FTT=1 and RAID-1 storage policy.
Refer to the exhibit:
What is the total VMDK storage consumed?
- A. 133GB
- B. 100GB
- C. 200GB
- D. 150 GB
正解: B
質問 46
A vSphere administrator wants to use vSphere Lifecycle Manager (vLCM) to manage a vSAN cluster with one desired image. When creating the new cluster, the administrator chooses "Manage all hosts in the cluster with a single image".
Which option is NOT available when setting up the cluster image?
- A. Import baseline from vSphere Lifecycle Manager
- B. Import image from new host
- C. Compose a new image
- D. Import image from an existing host in the vCenter inventory
正解: C
質問 47
A new host with local storage devices has been added to a vSAN cluster. Now, the administrator would like to increase the capacity of the vSAN datastore.
What must be done to the new host to accomplish this goal?
- A. Create one or more disk groups.
- B. Configure a RAID set on the storage controller.
- C. Perform a storage device rescan.
- D. Delete all existing partitions.
正解: D
質問 48
What are two purposes of a vSAN storage policy (Choose two.)
- A. To enable TRIM/UNMAP
- B. To define how the VM storage objects are provisioned
- C. To guarantee the required level of service
- D. To determine vSAN encryption level
- E. To enable deduplication and compression
正解: B,C
質問 49
The DevOps team of an organization wants to deploy their new cloud native application with persistent storage on a dedicated vSAN cluster. The storage administrator is tasked to configure the vSAN cluster and leverage the vSAN Direct feature.
Which two requirements must the administrator meet to complete this task? (Choose two.)
- A. A valid vSAN license for the vSAN cluster
- B. An integration with vSAN File Services
- C. vSphere HA enabled on the vSAN cluster
- D. A dedicated network for vSAN Direct
- E. Unclaimed disks in the hosts for vSAN Direct
正解: C,D
質問 50
A site administrator has determined that the site needs to upgrade all vSAN clusters to 7.0 U1. The vSAN administrator wishes to complete the update in the shortest amount of time possible. All virtual machines are assigned a storage policy where the "Failures to tolerate" is set to one or higher.
Which strategy should be used to achieve this goal?
- A. Update only select, mission-critical clusters.
- B. Perform a complete update, omitting the on-disk format update.
- C. Disable de-duplication and compression prior to the upgrade.
- D. Select the *No data migration" maintenance mode option.
正解: A
質問 51
An administrator has been tasked with physically moving the hosts in a vSAN 7.0 U1 cluster to an alternative location. All virtual machines, hosts, and the vCenter Server have need safely powered sown, and the servers have been relocated. Afterwards, the operations engineer needs to bring up the vSAN cluster again.
Which action is part of this process?
- A. Powering on each ESXi host from the vSphere Client
- B. Exiting Maintenance Mode on each ESXi host using the vSphere Host Client
- C. Disabling the vCLS retreat mode
- D. Entering Maintenance Mode with no data migration on each ESXi host
正解: D
質問 52
Which two requirements should the vSAN administrator consider in order to accomplish this goal? (Choose two.)
- A. A leaf spine topology is required for core redundancy and reduced latency.
- B. Either Layer 2 and Layer 3 communications can be used.
- C. The configuration must meet the same latency and bandwidth requirement as local vSAN.
- D. Encryption must be disabled prior to configuring HCI mesh.
- E. NIC teaming must be implemented for the vSAN network vmkernel port.
正解: B,E
質問 53
The objects on a 4-node vSAN cluster are assigned a RAID-5 policy. A network outage occurs, causing host one to lose connectivity with the rest of the cluster. Seventy-five minutes have elapsed.
What is the health state of the objects?
- A. Reduced availability with no rebuild
- B. Reduced availability with no rebuild - delay timer
- C. Reduced availability
- D. Non-availability related incompliance (non-compliance)
正解: A
解説:
Minimum number of hosts required for Raid 5: 2n+1.
Reduced availability - active rebuild: The object has suffered a failure, but it was configured to be able to tolerate the failure. I/O continues to flow and the object is accessible. vSAN is actively working on re-protecting the object by rebuilding new components to bring the object back to compliance.
Reduced availability with no rebuild: The object has suffered a failure, but VSAN was able to tolerate it. For example: I/O is flowing and the object is accessible. However, VSAN is not working on re-protecting the object. This is not due to the delay timer (reduced availability - no rebuild - delay timer) but due to other reasons. This could be because there are not enough resources in the cluster, or this could be because there were not enough resources in the past, or there was a failure to re-protect in the past and VSAN has yet to retry.
質問 54
All of the virtual machines running on a hybrid vSAN datastore have this storage policy assigned:
Failures to Tolerate (FTT) rule is set to "2 Failures - RAID-1 (Mirroring)".
The vSAN administrator needs to reduce the amount of vSAN datastore capacity the virtual machines will consume.
Which action should the vSAN administrator take to meet this goal?
- A. Add the "Flash read cache reservation" rule to the storage policy, and set to 0%.
- B. Modify the FTT rule to "2 Failures - RAID-5 (Erasure Coding)".
- C. Change the FTT rule to "1 Failure - RAID-1 (Mirroring)", and select "Now" for Reapply to VMs.
- D. Disable Operations reserve and Host rebuild reserve and click "Apply".
正解: C
質問 55
A vSAN administrator is implementing deduplication and compression on a vSAN all-flash cluster but wants the VMs to remain operational. The details are as follows:
There are 4 nodes in the vSAN cluster.
Existing VMs use a RAID-5 storage policy.
Which action should the vSAN administrator take to meet this goal?
- A. Change the existing VM storage policy to RAID-6.
- B. Enable TRIM/UNMAP.
- C. Use explicit fault domains.
- D. Use the Allow Reduced Redundancy option.
正解: D
質問 56
A single capacity disk fails within a vSAN 7.0 U1 cluster running with a "compression-only" configuration enabled. The vSAN administrator must recognize the platform impact that has occurred and take steps to correct it.
Which action should the vSAN administrator take?
- A. The hardware failure will only impact the specific capacity disk, so the vSAN administrator will need to remove and replace the failed capacity device.
- B. The hardware failure will impact the entire disk group, so the vSAN administrator will need to remove and recreate the disk group following the replacement of the failed storage device.
- C. The hardware failure will impact all disk groups within the ESXi host, so the vSAN administrator will need to manually remove the ESXi node from the vSAN Cluster, replace the failed capacity device, and then re-create the disk group.
- D. The hardware failure will stop the running workloads, so the vSAN administrator will need to disable the compression-only configuration, replace the failed capacity device, and then re-create the disk group.
正解: A
質問 57
A business unit requires proprietary data to be protected against a site failure while using the least amount of storage and the least amount of nodes. AN administrator plans to implement a vSAN Stretched Cluster with a RAID-5 policy.
What is the minimum number of data nodes across all sites in this vSAN Stretched Cluster configuration?
- A. 0
- B. 1
- C. 2
- D. 3
正解: D
質問 58
The Resyncing Objects view in the vCenter UI reports that some objects are currently resyncing.
Which two actions would cause this situation? (Choose two.)
- A. DRS is relocating VMs between vSAN nodes.
- B. A change to the storage policy is applied to the objects.
- C. A VM snapshot is being deleted.
- D. A host failure occurs in the cluster.
- E. HA Virtual Machine Monitoring forced a VM to reboot.
正解: B,D
質問 59
Which Storage Policy Structure Rule is supported by vSAN Direct Datastore?
- A. Enable rules for vSAN storage
- B. Enable host-based rules
- C. Enable tag/capacity-based placement rules
- D. Enable storage performance-based rules
正解: A
質問 60
Which two characteristics are associated with vSAN Data-In-Transit Encryption? (Choose two.)
- A. Uses AES-256 bit encryption
- B. Needs to be enabled using vSAN Storage Policies
- C. Needs specific configuration on the Network switches in order to be enabled
- D. Can be enabled independently of the vSAN Data-At-Rest encryption
- E. Requires an external KMS in order to work
正解: A,D
質問 61
An organization is facing vSAN storage capacity challenges on one of their vSAN enabled clusters, while other vSAN enabled clusters are underutilized. The current vSAN version is 7.0 U1.
Which vSAN feature should be used to resolve this challenge in the quickest way?
- A. vSAN Replication
- B. vSAN Stretched Clusters
- C. vSAN Datastore(s)
- D. vSANHCIMesh
正解: D
質問 62
A vSAN administrator notices the VMware Skyline Health: Network Latency Check reports indicate three hosts are non-compliant.
Which action should the vSAN administrator take?
- A. Place the noncompliant hosts into an isolated network.
- B. Reboot the noncompliant hosts one at a time.
- C. Rerun the VMware Skyline Health: vSAN Cluster Partition report.
- D. Check VMKNICs, uplinks. VLANs. physical switches, and associated settings.
正解: C
質問 63
Which option, if any, is the default option to enable Maintenance Mode on a vSAN host?
- A. Full data migration.
- B. No data migration.
- C. Ensure accessibility.
- D. There is no default option. The administrator must select an option.
正解: D
質問 64
After a server power failure, the administrator noticed the scheduled resyncing in the cluster monitor displays objects to be resynchronized under the pending category.
What are these objects in this category?
- A. Object resynchronization must be started manually.
- B. The delay timer has not expired.
- C. There are too may objects to be synchronized.
- D. These objects belong to virtual machines, which are powered off.
正解: A
質問 65
Which two conditions should be verified before removing an ESXi host from a vSAN cluster? (Choose two.)
- A. Encryption is disabled
- B. Data evacuation is complete
- C. Performance Service is disabled
- D. ESXi host is in maintenance mode
- E. Resyncs are running
正解: B,D
質問 66
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