最新的VMware Specialist - vSAN 2019認證 5V0-21.19考試題庫

問題1

An ESXi host is being re-purposed from a 4-node cluster. The default policy is in use and storage utilization is low.
Which maintenance mode should be used to avoid storage policy non-compliance?

A. Full data migration

B. Proactive rebalance

C. Ensure accessibility

D. No data migration

正確答案: A

說明：（僅 VCESoft 成員可見）

問題2

What is the purpose of slack space in vSAN?

A. Provides vSAN analytic data

B. Stores vSphere HA heartbeats

C. Allows for maintenance and failure operations

D. Increases overall vSAN capacity

正確答案: C

問題3

Which type of encryption is used for the data encryption key on the vSAN datastore?

A. AES-XTS 256

B. AES-XTS 128

C. TLS 1.2

D. TLS 1.1

正確答案: A

問題4

A vSAN cluster has this configuration:
-4 hosts with 1 disk group per host
-Each disk group contains 1 cache device and 7 capacity devices
What are two ways to increase the vSAN datastore storage capacity? (Choose two.)

A. Add a disk group to each host

B. Add a cache device to each disk group

C. Replace a cache device with a larger cache device

D. Add a host to the cluster

E. Add a capacity drive to each disk group

正確答案: A,D

問題5

A storage administrator discovers vSAN is rebalancing components across a cluster randomly and faces degraded performance on the applications.
What should be done to avoid these issues?

A. Size at least two disk groups on each node

B. Maintain a minimum of 10 percent unused capacity

C. Keep total storage consumption <70 percent

D. Ensure there is sufficient queue depth on the I/O Controller

正確答案: C

說明：（僅 VCESoft 成員可見）

問題6

Which default VMware vSphere High Availability cluster setting must be changed when using a vSAN stretched cluster?

A. Enable Host Monitoring

B. Datastore with Permanent Device Loss

C. Response for Host Isolation

D. Datastore with All Paths Down

正確答案: C

說明：（僅 VCESoft 成員可見）

問題7

A vSAN Witness has connectivity to a vSAN cluster with supported maximum latency of 500 milliseconds round-trip time (RTT).
Which vSAN cluster type is the vSAN Witness a member of?

A. vSAN stretched cluster with 4 nodes in each site

B. 4-node vSAN cluster using erasure coding

C. 16-node vSAN cluster with nested fault domains

D. vSAN 2-node direct connected cluster

正確答案: D

說明：（僅 VCESoft 成員可見）

問題8

The cluster level backend IOPS performance graph shows a higher-than-average number of IOPS.
What is a possible reason for this?

A. Destaging congestion

B. DRS invoking multiple vMotion migrations

C. Low volume of vSAN vital memory pools

D. Data resynchronizations

正確答案: D

問題9

Which vSAN Health Check category is viewed to confirm supported storage controller drivers are in use across all hosts in the cluster?

A. vSAN Build Recommendations

B. Hardware compatibility

C. Device mapping

D. Capacity view

正確答案: B

問題10

Which two pre-checks should be taken prior to starting a vSAN upgrade? (Choose two.)

A. disable deduplication/compression

B. upgrade virtual hardware

C. upgrade vCenter Server

D. upgrade VMware Tools

E. verify vSAN Health

正確答案: C,E

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