1V0-21.20 Online Practice Questions and Answers

An administrator has been tasked with associating multiple uplink adapters with a single switch that will share the load traffic.

Which networking feature should the administrator configure?

A. Distributed Port Group

B. Host Proxy Switch

C. NIC Teaming

D. VLAN

During a virtual machine migration, which VMkernel networking layer handles the traffic?

A. Fault Tolerance

B. IP storage

C. vSAN

D. vSphere vMotion

An administrator must configure vSphere HA to act upon virtual machines when a host is disconnected from the management network.

Which option should the administrator use?

A. Response for Host Isolation

B. Admission Control

C. VM Monitoring

D. host Failure Response

An administrator needs to upgrade the guest operating system installed in a virtual machine. The administrator wants to safely ensure that the selected operating system is supported by ESXi. Which action should the administrator take to meet this goal?

A. Perform a guest OS and product search In the VMware Compatibility Guide.

B. Look in the guest OS version drop-down menu of the VM.

C. Snapshot the VM before performing the operating system upgrade.

D. Check the web page of the guest operating system vendor.

A group of VMs is experiencing high latency on a portgroup in an ESXi host.

Which option can a vSphete administrator use to move some of the VMs to another portgroup?

A. IP hash

B. Network I/O Control

C. vSphere vMotion

D. Network Port Binding

A vSphere administrator needs to create an exact replica of a virtual machine as a safeguard prior to changing the virtual machine configuration.

Which vSphere feature accomplishes this requirement?

A. vSphere Fault Tolerance

B. vSphere vMotlon

C. Cloning

D. Snapshots

What does it mean if a virtual machine (VM) has a high RDS score?

A. It requires access to more resource as soon as possible.

B. It has poor performance in the current host.

C. It is in conflict over access to a shared resource.

D. Its resource requirements are met most of the time.

A vSphere cluster running a virtual machine with VMware HA and DRS enabled in fully automated mode is experiencing a catastrophic host failure.

Which action can the administrator expect DRS to take?

A. It will move the VM to a host on a different cluster with enough resources after the HA rstart.

B. It will pro-actively move the virtual machine to a different host.

C. It move the VM to a host in the same cluster with enough resources after the HA restart.

D. It will pro-actively move the virtual machine to a different cluster.

Which problem is solved by migrating virtual machines (VMs) using vSphere vMotion?

A. A vSphere cluster that needs to be upgraded without any VM downtime.

B. A problem that occurred during VM patching and a roll-back is needed.

C. The names of the VM files that do not match the inventory name of the VM.

D. Heavy storage traffic and latency that are concentrated in a few datastores.

Which two improvements to the management of a VM are gained when VMware Tools are used? (Choose two.)

A. Performs a clone of the VM

B. Adds VM alarms to the inventory

C. Makes a graceful shutdown of the VM possible

D. Allows a snapshot before the guest OS is upgraded

E. Synchronizes time between the guest and the host