Download New Updated (June) VMWare VCI550 Practice Test 161-170

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QUESTION 161  (Topic 5)

 

An administrator needs to unmount a datastore that is also used for HA storage heartbeats.

 

What is the least disruptive method for an administrator to perform this activity on a slave HA host?

 

A.

On the Datastore Heartbeating tab, unmount the datastore normally and confirm a new datastore has been selected.

B.

On the Datastore Heartbeating tab, specify an alternate datastore, then unmount the datastore normally.

C.

Disable HA datastore heartbeats, then unmount the datastore.

D.

Reduce the number of heartbeat datastores, then remove the datastore from the heartbeat list.

 

Answer: B

 

 

QUESTION 162  (Topic 5)

 

An administrator removes a virtual machine from a resource pool and places it in the DRS root resource pool. Users report the performance of the application running on the virtual machine has improved. The virtual machine relocation was the only change that occurred.

 

What explains the change in application performance?

 

A.

The memory, storage, and/or CPU settings of the original resource pool restricted access to resources for the virtual machine.

B.

The configured memory, storage and/or CPU shares on the root resource pool are higher than the original resource pool.

C.

The memory, storage and/or CPU settings on the root resource pool restricted access to resources for the virtual machine

D.

The configured memory storage and/or CPU reservations on the root resource pool are higher than the original resource pool.

 

Answer: A

VMware VCI550 : Practice Test

 

 

QUESTION 163  (Topic 5)

 

A vSphere administrator has created a Virtual SAN Cluster with Automatic Mode Disk Groups. The cluster includes three ESXi hosts contributing one SSD and six SAS disks each. The administrator has four new ESXi hosts that boot from a fiber channel array and have no local disks attached. These four new hosts need additional shared storage but there is insufficient space on the fiber channel array. The hardware budget is limited.

 

What can the administrator do to provide the needed storage for the lowest cost?

 

A.

Add the four new hosts to the Virtual SAN Cluster and use the existing storage in the cluster.

B.

Add an SAS RAID controller to each of the new hosts. Attach one SSD and six SAS disks to each RAID controller and then add the four hosts to the Virtual SAN cluster.

C.

Add the four new hosts to the Virtual SAN Cluster and contribute the fiber channel disks to the Virtual SAN.

D.

Add the four new hosts to the Virtual SAN Cluster and change to Manual Mode Disk Groups.

 

Answer: A

 

 

QUESTION 164  (Topic 5)

 

A vSphere administrator configures a preferred heartbeat datastore in an HA/DRS cluster configuration. The vCenter Server identifies an alternative preferred datastore.

 

Why would vCenter Server identify an alternative preferred datastore over the administrator’s preference?

 

A.

The selected datastore contains powered-on virtual machines.

B.

The selected datastore is formatted with a 1 MB block size.

C.

The selected datastore is an NFS datastore.

D.

The selected datastore is not accessible to all of the hosts.

 

Answer: D

 

 

QUESTION 165  (Topic 5)

 

 

 

VMware VCI550 : Practice Test

What will cause the validation of a vMotion migration to fail?

 

A.

A virtual machine configured for CPU affinity

B.

A virtual machine configured with a local .vswp file

C.

A virtual machine configured to use NUMA

D.

A virtual machine configured with a shared Raw-Device Mapped disk

 

Answer: A

 

 

QUESTION 166  (Topic 5)

 

A host in a 4-node HADRS cluster has failed. HA initiates restart tasks for the virtual machines on the remaining hosts in the cluster but half of them fail to restart.

 

What is the likely reason virtual machines fail to restart?

 

A.

HA admission control is blocking the restart of the virtual machines due to insufficient resources to support the configured failover level of the cluster.

B.

The vMotion network has failed on the remaining hosts preventing the virtual machines from migrating.

C.

Storage vMotion has failed on the datastore containing the virtual machines preventing them from migrating.

D.

The failed host was the Master host in the cluster and no other hosts are able to perform the necessary HA function to restart the virtual machines.

 

Answer: A

 

 

QUESTION 167  (Topic 5)

 

An administrator decreases the CPU share value for two virtual machines in a DRS cluster from 1000 to 100 shares. The DRS cluster contains more resources than both virtual machines can consume.

 

The characteristics of the virtual machines are listed below:

 

?The second virtual machine is a clone of the first virtual machine.

 

?Both virtual machines are identical in every way.

 

?Both virtual machines are not attached to the IP network.

 

 

 

VMware VCI550 : Practice Test

?Both virtual machines are powered on.

 

What impact on the virtual machines’ performance will be observed?

 

A.

The virtual machines will have equal performance under all conditions.

B.

The performance of the virtual machines will reduce by a factor of ten once the share value is adjusted.

C.

The virtual machines will have equal performance under normal conditions and reduced performance when contention occurs.

D.

The original virtual machine will perform better than the clone when contention occurs.

 

Answer: A

 

 

QUESTION 168  (Topic 5)

 

What two requirements must be met to create a fully automated Distributed Resource Scheduler (DRS) cluster? (Choose two.)

 

A.

Shared storage

B.

Hosts with identical processor features

C.

Storage vMotion

D.

vMotion

 

Answer: AD

 

 

QUESTION 169  (Topic 5)

 

A vSphere administrator needs to enable Distributed Resource Scheduling (DRS) in an existing vSphere environment:

 

?The environment contains a High Availability (HA) cluster with eight ESXi hosts.

 

?Six ESXi hosts are not in a cluster.

 

?DRS should be used on as many hosts as possible.

 

?Initial placement of virtual machines should be automatically performed.

 

?Migration recommendations should be provided, but not performed without approval.

 

 

 

VMware VCI550 : Practice Test

Which procedure should the administrator perform to accomplish this task?

 

A.

Select the datacenter and create a DRS cluster. Add the six remaining hosts to this cluster, then enable DRS. Edit the DRS settings and change the automation level to Partial.

B.

Select the existing HA cluster. Add the six remaining hosts to the cluster. Enable DRS, then edit the settings and change the automation level to Manual.

C.

Select the datacenter and create a DRS cluster. Add the six remaining hosts to this cluster, then enable DRS. Edit the DRS settings and change the automation level to Manual.

D.

Select the existing HA cluster. Add the six remaining hosts to the cluster. Enable DRS, then edit the settings and change the automation level to Partial.

 

Answer: D

 

 

QUESTION 170  (Topic 5)

 

A vSphere administrator needs to use vSphere Update Manager to perform orchestrated upgrades of virtual machines.

 

Which two options are available for virtual machine remediation? (Choose two.)

 

A.

Upgrade virtual machine hardware

B.

Upgrade VMware tools

C.

Upgrade virtual machine appliances

D.

Upgrade virtual machine guest OS

 

Answer: AB

 

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