1V0-21.20 Exam Details

  • Exam Code
    :1V0-21.20
  • Exam Name
    :Associate VMware Data Center Virtualization
  • Certification
    :VMware Certifications
  • Vendor
    :VMware
  • Total Questions
    :103 Q&As
  • Last Updated
    :May 26, 2026

VMware 1V0-21.20 Online Questions & Answers

  • Question 71:

    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.

  • Question 72:

    Which two characteristics describe vSphere HA?

    A. vSphere HA restarts VMs if their host becomes isolated in the management network.
    B. In response to datastore accessibility failures, vSphere HA restarts VMs on unaffected hosts.
    C. vSphere HA performs load balancing across the hosts in a cluster to prevent resources contention
    D. By Keeping a secondary VM running at all times, vSphere HA protects VMs from data loss.
    E. When vCenter Server experiences downtime, vSphere HA restarts VMs on unaffected hosts.

  • Question 73:

    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. Network
    B. Power
    C. Memory
    D. Virtual disk

  • Question 74:

    A virtual infrastructure operator needs to migrate a virtual machine (VM).

    Which action can the operator take to overcome the error message?

    A. Select a different datastore for the VM.
    B. Select a cluster that has access to additional storage space.
    C. Change the virtual disk format to Thick provision Eager Zeroed.
    D. Select a different ESXi host for the VM

  • Question 75:

    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

  • Question 76:

    An administrator wants to deploy virtual machines on Windows 10 desktop. 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

  • Question 77:

    What is the purpose of the VMware Tools balloon driver?

    A. To improve a VM's memory management capabilities
    B. To provide a high-resolution display for the VM's console
    C. To improve a VM's network performance
    D. To provide fast and efficient communication between VMs

  • Question 78:

    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.

  • Question 79:

    A company has a few virtual machines running software XYZ that only support the current CPU type. With hardware refresh, the company wants leverage the new processor features for all VMs except for VMs Running software XYZ. Which feature meets this requirement?

    A. Per-VM EVC
    B. vSphere High Availability
    C. Cluster-Level EVC
    D. vSphere vmotion

  • Question 80:

    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 spends. Which vSphere Distributed Switch setting accomplishes this goal?

    A. Monitoring
    B. teaming and failover
    C. Traffic shaping
    D. Security

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