1V0-21.20 Mock Test Free – 50 Realistic Questions to Prepare with Confidence.
Getting ready for your 1V0-21.20 certification exam? Start your preparation the smart way with our 1V0-21.20 Mock Test Free – a carefully crafted set of 50 realistic, exam-style questions to help you practice effectively and boost your confidence.
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Below, you will find 50 free questions from our 1V0-21.20 Mock Test Free resource. These questions are structured to reflect the real exam’s difficulty and content areas, helping you assess your readiness accurately.
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 EVC details for these VMs?
A. Right click VM > Migrate > Change storage only > Select Datastore > Next > Finish
B. Select Host > VMs > Show/Hide Column > EVC Mode
C. Right click VM > Migrate > Change compute resource only > Select Host > Next > Finish
D. Power off VM > Configure > VMware EVC
A system administrator has to configure several virtual machines for different business units. The administrator needs to enable features that allow overcommitment of resources while adhering to the business requirements and different department performance SLAs. Which two features should the administrator enable to achieve this goal? (Choose two.)
A. vSphere Fault Tolerance
B. vSphere Resource Pools
C. vSphere High Availability
D. vSphere Storage I/O Control
E. vSphere Distributed Power Management
An administrator is concerned that a VM has high ballooning activity and needs to check the default display of the Advanced Performance pane in the vSphere Client to confirm this activity. Which view should the administrator choose in the default display?
A. Power
B. Network
C. Virtual disk
D. Memory
An administrator needs to migrate a powered off virtual machine to another cluster with no shared storage. Which option should the administrator select for a successful migration?
A. Change compute resource only
B. Change both compute resource and storage
C. Migrate virtual machine(s) to a specific datacenter
D. Change storage only
Which configuration setting prevents a packet sniffing program from analyzing network packets on the virtual switch?
A. Forged Transmits set to Accept
B. Forged Transmits set to Reject
C. Promiscuous Mode set to Reject
D. Promiscuous Mode set to Accept
Which hypervisor is a type-1 hypervisor?
A. VMware Fusion
B. VMware Workstation
C. Oracle VM VirtualBox
D. VMware ESXi
An administrator has noticed an increase in network latency when powered-off virtual machines are migrated. Which VMkernel adapter can the administrator use to reduce this latency?
A. vSAN
B. vMotion
C. Provisioning
D. vSphere Replication
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. Refer to the exhibit:Which series of actions should be taken to manage this issue?
A. Remain at Service 2, take a snapshot, and apply Service 1.5 patch.
B. Delete Service 1, take a snapshot, and apply Service 1.5 patch.
C. Delete all the snapshots, take a snapshot, and apply Service 1.5 patch.
D. Revert to Service 1, take a snapshot, and apply Service 1.5 patch.
Refer to the exhibit:Which statement is true about the access privileges of User 2?
A. User 2 has no access to all objects in the Production folder and Test and Dev folder.
B. User 2 has access to all objects in the Production folder and no access to Dev01, Dev02, and Dev03.
C. User 2 has virtual machine power user privileges to Prod04-3.
D. User 2 has virtual machine power user privileges to all VMs in the Production folder.
Which sequence of steps must a vSphere operator take to create an NFS datastore for a host, a cluster, or a data center?
A. From the Datastores tab, select NFS > New Datastore
B. Select an ESXi host, click the Configure tab > Storage Devices
C. From the Actions drop-down menu, select NFS > New Datastore
D. Right-click on an ESXi host, select Storage > New Datastore
What is the purpose of an alarm?
A. It keeps records of system actions and the frequency at which they occur.
B. It notifies about events or conditions that occur with an object in vCenter Server.
C. It represents system activities that do not complete immediately, such as migrating a virtual machine.
D. It records user actions or system actions that occur on objects in vCenter Server or on a host.
A company has a few virtual machines running software XYZ that only support the current CPU type. With hardware refresh, the company wants to leverage the new processor features for all VMs except for VMs running software XYZ. Which feature meets this requirement?
A. Cluster-Level EVC
B. vSphere High Availability
C. Per-VM EVC
D. vSphere vMotion
What is the default encrypted vSphere vMotion state for virtual machines that are not encrypted?
A. Opportunistic
B. Disabled
C. Required
D. Enabled
Which two configuration options can only be enabled on distributed switches? (Choose two.)
A. Port Mirroring
B. VLAN IDs
C. NetFlow
D. NIC Teaming
E. Load Balancing
A vSphere operator finds this error message: Device or filesystem with identifier [naa.1234567890] has entered the All Paths Down state. What should the operator conclude from this error message?
A. A host failed, and automated recovery of affected VMs is expected.
B. A storage device is inaccessible and is expected to become available.
C. A host is inaccessible, and migration of affected VMs is expected.
D. A storage device has failed and is not expected to become available.
A system administrator needs to configure a virtual machine to guarantee that it always gets the appropriate resources even if the host is overloaded and overcommitted. Which setting on the virtual machine does the administrator need to configure?
A. vSphere High Availability Admission Control
B. High Performance Power Policy
C. CPU and Memory Shares to High
D. CPU and Memory Reservations
Which feature must be enabled to use vSphere Fault Tolerance?
A. vSphere HA
B. vSphere DRS
C. vSphere Replication
D. vSAN
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 pro-actively move the virtual machine to a different cluster.
B. It will pro-actively move the virtual machine to a different host.
C. It will move the VM to a host in the same cluster with enough resources after the HA restart.
D. It will move the VM to a host in a different cluster with enough resources after the HA restart.
Which configuration setting ensures that virtual networks on a virtual switch are isolated from each other?
A. VLAN ID
B. Port ID
C. Network Label
D. Security Policy
An administrator wants to ensure that a copy of a virtual machine can still power up on another data center during a disaster. Which feature meets this requirement?
A. vSphere High Availability
B. vMotion
C. Fault Tolerance
D. vSphere Replication
Which feature must an administrator use to revert back to the previous version of a VM template?
A. Content Library
B. VM Snapshots
C. Storage vMotion
D. VMware Tools
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. The system administrator needs to migrate virtual machines using vSphere vMotion.
C. vSphere Lifecycle Manager and DRS integration need to be configured.
D. vSphere HA admission control needs to be enabled on the cluster.
Which vSphere component centralizes automated patch and version management for clusters, ESXi, drivers and firmware, Virtual Hardware, and VMware Tools?
A. vSphere Lifecycle Manager
B. vSphere DRS
C. Content Library
D. VMware Cloud Foundation
A VSphere administrator sees the alarm: vSphere HA virtual machine failed to failover This 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 VMs cloning operations did not complete.
B. A reboot of vCenter Server impacted vSphere HA.
C. The host is still running but has disconnected from the network.
D. The VMs encountered an error during migration using vSphere vMotion.
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. NIC Teaming
C. LACP
D. MTU (Bytes)
Which action must an administrator perform in the vSphere Client to create a copy of a running virtual machine?
A. Right-click the VM > Clone > Clone to Template
B. Right-click the VM template > Convert to Virtual Machine
C. Right-click the VM template > New VM from This Template
D. Right-click the VM > Clone > Clone to Virtual Machine
A VSphere operator can only configure up to two virtual CPUs when deploying a new virtual machine (VM).What is the cause of this situation?
A. The selected ESXi host has only 2 CPUs
B. The selected cluster is not in DRS mode.
C. VMs support a maximum of 2 CPUs.
D. The compatibility selected is ג€ESXi 6.5 and laterג€.
A system administrator opened a technical support trouble ticket and was asked to provide the suspended virtual machine's memory contents. Which file from the virtual machine directory will the system administrator need to upload to technical support?
A. vm.vmdk
B. vm.log
C. vm.vmss
D. vm.vmx
A vSphere administrator wants to monitor the CPU usage of all virtual machines (VMs) in a specific host cluster using alarms. Which sequence of actions should the administrator use?
A. Click on the VMs folder and add an alarm.
B. Click on the cluster and add an alarm.
C. Click on the ESXi host and add an alarm.
D. Click on individual VMs and add an alarm.
An administrator is migrating 100 virtual machines from one ESXi Host to another. The current 1GigE network cards are only migrating four virtual machines simultaneously. Which action should the administrator take to increase that number to eight?
A. Add more memory to the ESXi hosts
B. Configure port mirroring
C. Add a 10GigE network card to each ESXi host
D. Configure Load Balancing
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. Teaming and failover
B. Traffic shaping
C. Monitoring
D. Security
An administrator must ensure that virtual machines have their initial placement performed automatically and that migration recommendations are displayed but not applied. Which vSphere DRS Automation Level should the administrator use?
A. Manual
B. Aggressive
C. Partially Automated
D. Fully Automated
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. Snapshot the VM before performing the operating system upgrade.
B. Perform a guest OS and product search in the VMware Compatibility Guide.
C. Check the web page of the guest operating system vendor.
D. Look in the guest OS version drop-down menu of the VM.
What is the purpose of the VMware Tools balloon driver?
A. To provide a high-resolution display for the VM’s console
B. To improve a VM’s network performance
C. To provide fast and efficient communication between VMs
D. To improve a VM’s memory management capabilities
Which VMware feature would an administrator configure to migrate VMs using vSphere vMotion between ESXi hosts with different underlying CPU architectures?
A. vSphere Storage DRS
B. Enhanced vMotion Compatibility (EVC)
C. vSphere HA
D. VMware Fault Tolerance
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
An administrator has been tasked with associating multiple uplink adapters with a single switch that will share the load of traffic. Which networking feature should the administrator configure?
A. VLAN
B. Distributed Port Group
C. NIC Teaming
D. Host Proxy Switch
An operator must deploy three 0 named Win10-Template, and all three VMs must be configured with unique computer names. Which action must the operator take to achieve this goal?
A. Use a Windows 10 customization specification when deploying the virtual machines.
B. Export Win10-Template to the local filesystem, and then change the computer name.
C. Create the virtual machines using the New Virtual Machine wizard.
D. Clone Win10-Template three times, and then change the computer name in each clone.
Which feature must be enabled to configure vSphere Proactive HA?
A. vSphere HA
B. Cluster EVC
C. vSphere DRS
D. Fault Tolerance
Which DRS score indicates that the virtual machine (VM) is experiencing severe resource contention?
A. 95%
B. 70%
C. 15%
D. 50%
Which name identifies a VMkernel port in a virtual networking configuration?
A. vSwitch1
B. VM Network
C. vmnic1
D. vmk1
An administrator needs to separate traffic of virtual machine live migrations from all other traffic. Which TCP/IP stack meets this requirement?
A. Provisioning TCP/IP stack
B. vMotion TCP/IP stack
C. Fault Tolerance logging TCP/IP stack
D. Management TCP/IP stack
Which feature allows an administrator to implement master copies of virtual machines to create ready-for-use virtual machines?
A. Custom Attributes
B. Snapshots
C. Templates
D. Resource Pools
An administrator has configured a Linux virtual machine and found that it does not have network connectivity. The administrator notices this when trying to ping the default gateway and nothing comes back. The administrator needs to verify that the guest operating system is configured properly. What is the first step that the administrator should take to meet this goal?
A. Verify that VMware Tools has been loaded on the guest operating system
B. Ping an outside source to see if you get a response
C. Confirm the link status of the virtual switch
D. Check that the virtual network adapter is present and enabled
A vSphere administrator is unable to remove an ESXi host from a vSphere Distributed Switch (VDS). Which two reasons could have caused this issue? (Choose two.)
A. Virtual machine network adapters on the host are connected to the switch.
B. The ESXi host is connected to another VDS.
C. Virtual machine network adapters are faulty.
D. The VDS is configured with ingress traffic shaping.
E. The ESXi host has VMkernel adapters assigned to the switch.
A VMware administrator monitoring a project has been advised to run the compute health check using the vSphere 7 client to monitor the ESXi hosts health. How should the administrator approach this task?
A. Host > Monitor > Skyline Health > Expand Online Health Connectivity > Compute Health Checks > Retest
B. Host > Monitor > Issues and Alarms
C. Menu > Administration > Deployment > System Configuration
D. Host > Monitor > Events
Which vSphere feature protects against host hardware failures by restarting virtual machines (VMs) on hosts that are running in the cluster?
A. vSphere vMotion
B. vSphere Fault Tolerance
C. vSphere DRS
D. vSphere HA
Which cluster file system is used by ESXi hosts to store virtual machines?
A. SMB
B. VMFS
C. NFS
D. SCSI
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 configure vMotion on all hosts prior to enabling EVC.
B. The administrator did not remove all passthrough devices prior to enabling EVC.
C. The administrator did not separate out the hosts by processor type prior to enabling EVC.
D. The administrator did not configure vSphere HA prior to enabling EVC.
An administrator is browsing a datastore and notices a file with a .vmtx extension. What are the contents of this file?
A. Virtual disk characteristics
B. Virtual machine snapshot
C. Template configuration
D. Virtual machine configuration
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