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Free VMware 1V0-21.20 Practice Questions & Answers 2026 Part2 | Associate VMware Data Center Virtualization

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Question #1
Refer to the exhibit.An administrator has applied a Service 2 patch after taking a snapshot. The administrator then realizes that a Service 1.5 patch should have been applied before the Service 2 patch.Which series of actions should be taken to manage this issue?
A. Delete all the snapshots, take a snapshot, and apply Service 1
B. Remain at Service 2, take a snapshot, and apply Service 1
C. Delete Service 1, take a snapshot, and apply Service 1
D. Revert to Service 1, take a snapshot, and apply Service 1
View answer
Correct Answer: D

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Question #2
Which hardware is required to support Fibre Channel storage?
A. ISCSI adapter
B. HBA
C. CNA
D. NIC
E. Reveal Answer
View answer
Correct Answer: B
Question #3
On a vSphere Standard Switch, which setting should an administrator configure to improve the networking efficiency by increasing the amount of payload data transmitted with a single packet?
A. VLAN
B. LACP
C. MTU (Bytes)
D. NIC Teaming
View answer
Correct Answer: C
Question #4
Which two storage protocols can a virtual infrastructure operator use to create a VMFS datastore? (Choose two.)
A. Fibre Channel
B. NFS
C. iSCSI
D. CIFS
E. SMB
View answer
Correct Answer: AC
Question #5
A vSphere operator finds this error message:Device or filesystem with identifier [naa.6000eb31dffdc33a000000000000002a] has entered the All Paths Down state.What should the operator conclude from this error message?
A. A host Is Inaccessible, and migration of affected VMs is expected
B. A host failed, and automated recovery of affected VMs Is expected
C. A storage device has failed and is not expected to become available
D. A storage device is inaccessible and is expected to become available
E. Reveal Answer
View answer
Correct Answer: D
Question #6
An administrator wants to deploy virtual machines on Windows 10desktop.What option accomplishes this goal?
A. Add additional network interface
B. Install Windows patches
C. Install a Type-2 hypervisor
D. Add an additional CD-ROM
E. Reveal Answer
View answer
Correct Answer: C
Question #7
Which feature mist an administrator use to revert back to the previousof a VM template?
A. ontent Library
B. M Snapshots
C. torage vMotion
D. Mware Tools
View answer
Correct Answer: A
Question #8
An administrator would like to enable a switch setting to restrict the network bandwidth that is available to ports, but the solution must also allow bursts of traffic to flow through at higher speeds. Which vSphere Distributed Switch setting accomplishes this goal?
A. Monitoring
B. Security
C. Traffic shaping
D. Teaming and failover
E. Reveal Answer
View answer
Correct Answer: C
Question #9
An administrator is working on a cloud migration project. The project has a requirement to check the EVC mode for virtual machines (VMs) hosting an application.How can the administrator find the FVC details for these VMs?
A. Select Host > VMs > Show/Hide Column > EVC Mode
B. Right click VM > Migrate > Change storage only > Select Datastore > Next > Finish
C. Power off VM > Configure > VMware EVC
D. Right click VM > Migrate > Change compute resource only > Select Host > Next > Finish
E. Reveal Answer
View answer
Correct Answer: A
Question #10
Which feature mist an administrator use to revert back to the previousof a VM template?
A. VM Snapshots
B. Content Library
C. VMware Tools
D. Storage vMotion
E. Reveal Answer
View answer
Correct Answer: B
Question #11
A system administrator is preparing a host In a vSphere DRS cluster in partially automated mode for firmware patching and puts a host into maintenance mode. After several minutes, the host still has not entered maintenance mode. How should the system administrator resolve this problem?
A. The system administrator needs to schedule DRS to run again
B. vSphere Lifecycle Manager and DRS integration need to be configured
C. vSphere HA admission control needs to be enabled on the cluster
D. The system administrator needs to migrate virtual machines using vSphere vMotion
View answer
Correct Answer: D
Question #12
Refer to the exhibit.An administrator has applied a Service 2 patch after taking a snapshot. The administrator then realizes that a Service 1.5 patch should have been applied before the Service 2 patch.Which series of actions should be taken to manage this issue?
A. Delete all the snapshots, take a snapshot, and apply Service 1
B. Remain at Service 2, take a snapshot, and apply Service 1
C. Delete Service 1, take a snapshot, and apply Service 1
D. Revert to Service 1, take a snapshot, and apply Service 1
View answer
Correct Answer: D
Question #13
On a vSphere Standard Switch, which setting should an administrator configure to improve the networking efficiency by increasing the amount of payload data transmitted with a single packet?
A. IC Teaming
B. TU (Bytes)
C. LAN
D. ACP
View answer
Correct Answer: B
Question #14
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
View answer
Correct Answer: C
Question #15
What is the default encrypted vSphere vMotion state for virtual machines that are not encrypted?
A. Disabled
B. Required
C. Opportunistic
D. Enabled
View answer
Correct Answer: C
Question #16
Which action should an administrator perform in the vSphere Client to create a VM template that can be used by more than one vCenter Server instance?
A. Right-click the VM > Clone > Clone to Template
B. Right-click the VM > Template > Convert to Template
C. Right-click the VM > Clone > Clone as Template to Library
D. Right-click the VM template > Convert to Virtual Machine
View answer
Correct Answer: C
Question #17
What is the default encrypted vSphere vMotion state for virtual machines that are not encrypted?
A. Disabled
B. Required
C. Opportunistic
D. Enabled
View answer
Correct Answer: C
Question #18
Which feature allows an administrator to implement master copies of virtual machines to create ready-for-use virtual machines?
A. Templates
B. Resource Pools
C. Snapshots
D. Custom Attributes
View answer
Correct Answer: A
Question #19
Refer to the exhibit.An administrator has applied a Service 2 patch after taking a snapshot. The administrator then realizes that a Service 1.5 patch should have been applied before the Service 2 patch.Which series of actions should be taken to manage this issue?
A. Delete all the snapshots, take a snapshot, and apply Service 1
B. Remain at Service 2, take a snapshot, and apply Service 1
C. Delete Service 1, take a snapshot, and apply Service 1
D. Revert to Service 1, take a snapshot, and apply Service 1
View answer
Correct Answer: D
Question #20
Which two configuration options can only be enabled on distributedswitches?
A. NetFlow
B. Port Mirroring
C. NIC Teaming
D. Load Balancing
E. VLAN IDs
F. Reveal Answer
View answer
Correct Answer: AB
Question #21
On a vSphere Standard Switch, which setting should an administrator configure to improve the networking efficiency by increasing the amount of payload data transmitted with a single packet?
A. VLAN
B. LACP
C. MTU (Bytes)
D. NIC Teaming
View answer
Correct Answer: C
Question #22
Which piece of information does vSphere DRS consider when making decisions about which host to place a virtual machine?
A. Storage bandwidth on the host
B. Network usage by the virtual machine
C. Network bandwidth on the host
D. Disk usage by the virtual machine
View answer
Correct Answer: C
Question #23
An administrator is trying to configure EVC on a cluster that has both AMD and Intel hosts, but the configuration is failing. What is causing this failure?
A. The administrator did not separate out the hosts by processor type prior to enabling EVC
B. The administrator did not configure vMotion on all hosts prior to enabling EVC
C. The administrator did not remove all passthrough devices prior to enabling EV
D. The administrator did not configure vSphere HA prior to enabling EVC
View answer
Correct Answer: A
Question #24
Which virtual machine (VM) problem is solved using vSphere Storagevmotion?
A. The ESXi host on which a VM is running requires to enter maintenance mode
B. The storage array on which a VM is running requires to enter maintenance mode
C. VMs are running on one ESXi host that presents high CPU resource contention
D. The vSphere Client shows that a VM needs to be consolidated
E. Reveal Answer
View answer
Correct Answer: B
Question #25
On a vSphere Standard Switch, which setting should an administrator configure to improve the networking efficiency by increasing the amount of payload data transmitted with a single packet?
A. VLAN
B. LACP
C. MTU (Bytes)
D. NIC Teaming
View answer
Correct Answer: C
Question #26
Which hypetvisor is a type-1 hypervisor?
A. Oracle VM VirtualBox
B. VMware ESXi
C. VMware Fusion
D. VMware Workstation
View answer
Correct Answer: B
Question #27
A vSphere administrator sees the alarm:vSphere HA virtual machine failed to failoverThis occurred for virtual machines (VMs) in a cluster with vSphere High Availability (HA) enabled. The guest operating system on the VMs did not report a power failure.What is a possible cause of this event?
A. The host is still running but has disconnected from the network
B. The VMs cloning operations did not complete
C. A reboot of vCenter Server impacted vSphere HA
D. The VMs encountered an error during migration using vSphere vMotion
View answer
Correct Answer: A
Question #28
Which event type indicates a Fatal problem has occurred in the system, and the process or operation will be terminated?
A. AInformation
B. BAudit
C. CError
D. DWarning
View answer
Correct Answer: D
Question #29
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
View answer
Correct Answer: C
Question #30
Which action should an administrator perform in the vSphere Client to create a VM template that can be used by more than one vCenter Server instance?
A. ight-click the VM > Template > Convert to Template
B. ight-click the VM > Clone > Clone to Template
C. ight-click the VM template > Convert to Virtual Machine
D. ight-click the VM > Clone > Clone as Template to Library
View answer
Correct Answer: D
Question #31
A vSphere administrator sees the alarm:vSphere HA virtual machine failed to failoverThis occurred for virtual machines (VMs) in a cluster with vSphere High Availability (HA) enabled. The guest operating system on the VMs did not report a power failure.What is a possible cause of this event?
A. The host is still running but has disconnected from the network
B. The VMs cloning operations did not complete
C. A reboot of vCenter Server impacted vSphere HA
D. The VMs encountered an error during migration using vSphere vMotion
View answer
Correct Answer: A
Question #32
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
View answer
Correct Answer: C
Question #33
What is the default encrypted vSphere vMotion state for virtual machines that are not encrypted?
A. Disabled
B. Required
C. Opportunistic
D. Enabled
View answer
Correct Answer: C
Question #34
On a vSphere Standard Switch, which setting should an administrator configure to improve the networking efficiency by increasing the amount of payload data transmitted with a single packet?
A. VLAN
B. LACP
C. MTU (Bytes)
D. NIC Teaming
View answer
Correct Answer: C
Question #35
An administrator has been asked to keep domain controllers runningon separate ESXi hosts.Which type of VM/Host rule must be configured to meet thisrequirement?
A. keep Virtual Machines Together
B. Virtual Machines to virtual Machines
C. Virtual Machines to Hosts
D. Separate Virtual machines
E. Reveal Answer
View answer
Correct Answer: D
Question #36
What is the default encrypted vSphere vMotion state for virtual machines that are not encrypted?
A. Disabled
B. Required
C. Opportunistic
D. Enabled
View answer
Correct Answer: C
Question #37
An administrator is trying to create an alarm action that runs a batch file on a specific VM. Which alarm action should the administrator use?
A. ARun a powerCLI command
B. BRun script
C. CSend SNMP traps
D. DSend email notifications
View answer
Correct Answer: B
Question #38
An administrator is asked to copy a single hard disk from one datastore to another. Which virtual machine Hie type should the administrator select?
A. vmdk
B. vswp
C. vmx
D. vmss
E. Reveal Answer
View answer
Correct Answer: A
Question #39
A vSphere administrator sees the alarm:vSphere HA virtual machine failed to failoverThis occurred for virtual machines (VMs) in a cluster with vSphere High Availability (HA) enabled. The guest operating system on the VMs did not report a power failure.What is a possible cause of this event?
A. The host is still running but has disconnected from the network
B. The VMs cloning operations did not complete
C. A reboot of vCenter Server impacted vSphere HA
D. The VMs encountered an error during migration using vSphere vMotion
View answer
Correct Answer: A
Question #40
Which two physical resources are abstracted by the hypervisor and presented to virtual machines? (Choose two.)
A. CPU
B. Libraries
C. Application
D. Desktop
E. Memory
View answer
Correct Answer: AE
Question #41
Refer to the exhibit:An administrator deletes the Service 1.5 snapshot. What is the result of this action?
A. Reversion to Service 1 snapshot, and Service 2 snapshot will remain
B. Reversion to Service 1 snapshot, and Service 2 snapshot will be deleted
C. Reversion to Service 2 snapshot, and Service 1 snapshot will be deleted
D. Deletion of all snapshots
View answer
Correct Answer: A
Question #42
Which vSphere feature protects against host hardware failures by restarting virtual machines (VMs) on hosts that are running in the cluster?
A. vSphere HA
B. vSphere vMotion
C. vSphere Fault Tolerance
D. vSphere DRS
View answer
Correct Answer: A
Question #43
On a vSphere Standard Switch, which setting should an administrator configure to improve the networking efficiency by increasing the amount of payload data transmitted with a single packet?
A. VLAN
B. LACP
C. MTU (Bytes)
D. NIC Teaming
View answer
Correct Answer: C
Question #44
Refer to the exhibit.An administrator has applied a Service 2 patch after taking a snapshot. The administrator then realizes that a Service 1.5 patch should have been applied before the Service 2 patch.Which series of actions should be taken to manage this issue?
A. Delete all the snapshots, take a snapshot, and apply Service 1
B. Remain at Service 2, take a snapshot, and apply Service 1
C. Delete Service 1, take a snapshot, and apply Service 1
D. Revert to Service 1, take a snapshot, and apply Service 1
View answer
Correct Answer: D
Question #45
Refer to the exhibit.An administrator has applied a Service 2 patch after taking a snapshot. The administrator then realizes that a Service 1.5 patch should have been applied before the Service 2 patch.Which series of actions should be taken to manage this issue?
A. Delete all the snapshots, take a snapshot, and apply Service 1
B. Remain at Service 2, take a snapshot, and apply Service 1
C. Delete Service 1, take a snapshot, and apply Service 1
D. Revert to Service 1, take a snapshot, and apply Service 1
View answer
Correct Answer: D
Question #46
An administrator is trying to create an alarm action that runs a batch file on a specific VM.Which alarm action should the administrator use?
A. end SNMP traps
B. un a PowerCLI command
C. un script
D. end email notifications
View answer
Correct Answer: C
Question #47
Refer to the exhibit:An administrator deletes the Service 1.5 snapshot. What is the result of this action?
A. Reversion to Service 1 snapshot, and Service 2 snapshot will remain
B. Reversion to Service 1 snapshot, and Service 2 snapshot will be deleted
C. Reversion to Service 2 snapshot, and Service 1 snapshot will be deleted
D. Deletion of all snapshots
View answer
Correct Answer: A
Question #48
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
View answer
Correct Answer: C
Question #49
What is the default encrypted vSphere vMotion state for virtual machines that are not encrypted?
A. Disabled
B. Required
C. Opportunistic
D. Enabled
View answer
Correct Answer: C
Question #50
Refer to the exhibit.An administrator deletes the Service 1.5 snapshot. What is the result of this action?
A. Reversion to Service 1 snapshot, and Service 2 snapshot will remain
B. Reversion to Service 1 snapshot, and Service 2 snapshot will be deleted
C. Reversion to Service 2 snapshot, and Service 1 snapshot will be deleted
D. Deletion of all snapshots
View answer
Correct Answer: A

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