VMware VMware Certifications 1V0-21.20 Questions & Answers

• Question 71:

  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

  Correct Answer: A

• Question 72:

  Which DRS score indicates that the virtual machine (VM) is experiencing severe resource contention?

  A. 50%

  B. 95%

  C. 70%

  D. 15%

  Correct Answer: D

• Question 73:

  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

  Correct Answer: A

• Question 74:

  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 latecy?

  A. vSAN

  B. vSphere Replication

  C. Provisioning

  D. vMotion

  Correct Answer: D

• Question 75:

  A system administrator needs to configure a virtual machine to guarantee that it always gets the appropriate resource even if the host os overloaded and overcommitted.

  Which setting on the virtual machine does the administrator need to configure?

  A. vSphere High Availability Admission Control

  B. CPU and Memory Shares to High

  C. CPU and Memory Reservations

  D. High Performance Power Policy

  Correct Answer: C

• Question 76:

  A vSphere administrator has multiple virtual machines running on a VMFS datastore. Which setting prioritizes the disk access for the virtual machines?

  A. Disk Shares

  B. Disk type

  C. Disk Mode

  D. Hard disk

  Correct Answer: A

• Question 77:

  A vSphere administrator has migrated a virtual machine between two ESXi hosts using vSphere vMotion and notices that the VM can no longer be pinged.

  What caused this situation?

  A. The virtual machine has RDMs attached.

  B. A different datastore is being used after the migration.

  C. There is an MTU mismatch.

  D. The destination portgroup has an incorrect VLAN tag.

  Correct Answer: D

• Question 78:

  Which vSphere DRS setting determines how aggressive vSphete DRS will be when recommending migrations to improve VM happiness?

  A. Predictive DRS

  B. Virtual Machine Automation

  C. Automation Level

  D. Migration Threshold

  Correct Answer: D

• Question 79:

  What is a benefit of VMware vSphere Storage APIs - Data Protection?

  A. It enables centralized, off-host. LAN-free backup of vSphere virtual machines.

  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.

  Correct Answer: A

• Question 80:

  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

  Correct Answer: C