5V0-21.19 実際試験問題と解答 - 模擬練習 - 受験自信を増やす

Question No : 1
Refer to the exhibit.

In a 2-node vSAN environment, a storage administrator has setup a vSAN storage policy.
When the stripe width is changed to three, what is the approximate component size of each replica marked in red?

A.33GB
B.50GB
C.66GB
D.100GB

正解:

Question No : 2
A new vSAN cluster needs to run 900 VMs and protect against one failure.
What is the minimum number of nodes needed to meet the requirement?

A.3
B.4
C.5
D.6

正解:

Question No : 3
An architect is asked to design a vSAN cluster with these requirements:
- Supports erasure coding storage policy
- Minimized inaccessibility from single device failures
- Ability to re-protect data after a failure
The desired configuration should be able to survive a single failure.
Which configuration satisfies the design requirements?

A.3-node hybrid vSAN cluster
B.4-node hybrid vSAN cluster
C.4-node all-flash vSAN cluster
D.5-node all-flash vSAN cluster

正解:

Question No : 4
What is a mandatory requirement for a vSAN stretched cluster?

A.Two witness hosts protected by vSphere Fault Tolerance
B.Minimum of two guaranteed lines of 10Gbps bandwidth
C.vSphere Replication configured between the data sites
D.Latency between data sites must be less than or equal to 5ms

正解:
Explanation:
Reference: https://vsan-essentials.gitbooks.io/vsan-6-2/content/chapter8.html

Question No : 5
When using vSAN Encryption, where does the Key Encryption Key persistently reside?

A.in /etc/vmware/ssl on each vSAN host
B.in the KMS server
C.in a VM configuration file on vSAN
D.in the vCenter Server cache

正解:

Question No : 6
An administrator of a vSAN 6.5 environment is planning a path to move to unicast for the vSAN network.
How will the administrator achieve this?

A.Enable LACP on vSAN switch ports.
B.Upgrade vCenter and vSAN nodes to vSAN 6.6 or later.
C.Enable unicast on the vSAN interfaces.
D.Disable multicast for vSAN using ESXCLI commands.

正解:

Question No : 7
The cluster level backend IOPS performance graph shows a higher-than-average number of IOPS.
What is a possible reason for this?

A.Data resynchronizations
B.Low volume of vSAN vital memory pools
C.DRS invoking multiple vMotion migrations
D.Destaging congestion

正解:
Explanation:
Reference: https://kb.vmware.com/s/article/2144493

Question No : 8
Which default VMware vSphere High Availability cluster setting must be changed when using a vSAN stretched cluster?

A.Datastore with All Paths Down
B.Datastore with Permanent Device Loss
C.Response for Host Isolation
D.Enable Host Monitoring

正解:

Question No : 9
vSAN is configured with a storage policy with a Failures To Tolerate (FTT) set to three.
Which type of redundancy is being used?

A.RAID-0 (Striping)
B.RAID-1 (Mirroring)
C.RAID-6 (Erasure Coding)
D.RAID-5 (Erasure Coding)

正解:
Explanation:
Reference: https://www.sbarjatiya.com/notes_wiki/index.php/About_VSAN_6.6

Question No : 10
Which storage policy action results in a component resync?

A.Enabling object checksum
B.Changing object space reservation to thick provisioning
C.Adding an IOPS Limit rule to a storage policy
D.Changing the failure tolerance method

正解:

Question No : 11
A vSAN administrator is designing a new all-flash vSAN cluster. The cluster will host read intensive applications.
Which factor should be included in the design to improve read performance?

A.Multiple disk groups
B.Large capacity disks
C.Large cache disks
D.Large controller cache

正解:

Question No : 12
vCenter reports a number of vSAN network alarms on a 2-node vSAN Direct Connect cluster. The test pings show irregularities in the ping results.
Using vSAN Health service, which two checks should be used to identify the network root cause? (Choose two.)

A.Physical disk operation health
B.Network latency
C.vSAN extended configuration
D.vSAN disk balance
E.vSAN basic unicast connectivity

正解:

Question No : 13
What are two recommended reasons for configuring a cluster with at least one node in addition to the minimum required number? (Choose two.)

A.To ensure object accessibility
B.To support the use of RAID-6
C.To provide more flexible storage policy options
D.To provide full protection during maintenance mode operations
E.To support data at rest encryption on vSAN hybrid clusters

正解:
Explanation:
Reference: https://blogs.vmware.com/virtualblocks/2018/05/24/vsan-deployment-considerations/

Question No : 14
You are designing a vSAN stretched cluster solution.
What is the maximum number of nodes possible for this solution?

A.15 per data site + 1 witness host
B.30 per data site + 1 witness host
C.32 per data site + 1 witness host
D.64 per data site + 1 witness host

正解:

Question No : 15
The vSAN host memory needs to be replaced and the entire operation is expected to take 90-120 minutes.
Which vSAN advanced setting can be adjusted to avoid rebuild operations during the host hardware maintenance?

A.Site Read Locality
B.Forced Provisioning
C.Object Repair Timer
D.Thin Swap

正解:

VMware 5V0-21.19 問題練習