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Free VMware 1V0-21.20 Practice Questions & Answers 2026 Part4 | Associate VMware Data Center Virtualization

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Question #1
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

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Question #2
A developer is concerned about a virtual machine's CPU usage over the past month. How can an administrator show the CPU usage over this time period to the developer?
A. Select the VM's Summary tab, then view the VM Hardware pane
B. Select the VM's Summary tab, then view CPU Usage
C. Select the VM's Monitor tab, then select Events
D. Select the VM's Monitor tab, then select Overview
View answer
Correct Answer: D
Question #3
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 #4
Which selection is optional when deploying a new virtual machine in the vSphere Client?
A. Compute resource
B. Guest OS
C. Folder
D. Data center
View answer
Correct Answer: D
Question #5
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 #6
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 #7
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. Send SNMP traps
B. Run a PowerCLI command
C. Run script
D. Send email notifications
View answer
Correct Answer: C
Question #8
An administrator need to migrate a powered off virtual machine toanother cluster with no shared storage.Which option should the administrator select for a successful migration?
A. igrate virtual machines(s) to a specific datacenter
B. hange computer resource only
C. hange storage only
D. hange both compute resource and storage
View answer
Correct Answer: D
Question #9
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 #10
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 #11
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 #12
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 #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. VLAN
B. LACP
C. MTU (Bytes)
D. NIC Teaming
View answer
Correct Answer: C
Question #14
Which selection is optional when deploying a new virtual machine in the vSphere Client?
A. Data center
B. Compute resource
C. Guest OS
D. Folder
View answer
Correct Answer: C
Question #15
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 #16
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 #17
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 #18
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 #19
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 #20
Which selection is optional when deploying a new virtual machine in the vSphere Client?
A. ata center
B. ompute resource
C. uest OS
D. older
View answer
Correct Answer: D
Question #21
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 #22
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 #23
Which vSphere feature provides continuous availability, allowing users to protect any virtual machine from a host failure with no loss of data or connectivity?
A. AvSphere vMotion
B. BEnhanced vMotion Compatibility
C. CvSphere Fault Tolerance
D. DvSphere HA
View answer
Correct Answer: C
Question #24
Which VMware feature would an administrator configure to migrateVMs using vSphere vMotion between ESXi hosts with differentunderlying CPU Architectures?
A. Enhanced vMotion Compatibility
B. VSphere HA
C. VMware Fault Tolernace
D. vSphere Storage DRS
E. Reveal Answer
View answer
Correct Answer: A
Question #25
A vSphere operator can only configure up to two virtual CPUs when deploying a new virtual machine (VM).Refer to the exhibit:What is the cause erf this situation?
A. VMs support a maximum of 2 CPUs
B. The selected cluster is not in DRS mode
C. The selected ESXI host has only 2 CPUs
D. The compatibility selected is 'ESXi 6
View answer
Correct Answer: C
Question #26
Which IP storage is supported on vSphere?
A. SCSI
B. vSAN
C. SAN
D. ISCSI
View answer
Correct Answer: D
Question #27
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 #28
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
View answer
Correct Answer: A
Question #29
Which feature helps maintain zero data loss when a VM on an ESXi server fails unexpectedly?
A. vMotion
B. Fault Tolerance
C. Storage vMotion
D. vSphere High Availability
View answer
Correct Answer: B
Question #30
Which cluster file system is used by ESXi hosts to store virtualmachines?
A. CSI
B. FS
C. MFS
D. MB
View answer
Correct Answer: C
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 vSphere operator discovers a storage problem with the following PDL error message:Permanently inaccessible device :naa.1234567890 has no more open connections.What should the operator conclude from this error message?
A. A storage device is disconnected, but it can be reconnected by a host reboot
B. A storage device has failed and is expected to become available
C. A storage device has failed and is not expected to become available
D. A storage device is disconnected, but it is treated as a transient issue
View answer
Correct Answer: C
Question #33
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 #34
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 #35
What is a benefit of VMware vSphere Storage APIs - Data Protection?
A. It enables centralized, off-host
B. It allows backup of a virtual machine with a backup agent in the guest OS
C. It increases ESX host resources to do backup processing
D. It facilitates decentralized, on-host, LAN-free backup of vSphere virtual machines
View answer
Correct Answer: A
Question #36
An administrator is browsing datastore and notices a file with a .vmtx extension. What are the contents of this file?
A. Virtual machine snapshot
B. Virtual disk characteristics
C. Template configuration
D. Virtual machine configuration
View answer
Correct Answer: C
Question #37
Which sequence of steps must a vSphere operator take to create anNFS datastore for a host, a cluster, or a data center?
A. rom the datastore tab, select NFS > New datastore
B. ight-click on an ESXi host, select Storage > New Datastore
C. elect an ESXi host, click the Configure tab > Storage Devices
D. rom the actions drop-down menu, select NFS > New datastore
View answer
Correct Answer: B

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