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CV0-003 · Question #227

In a mission critical environment, performing maintenance operations on a host FIRST requires which of the following?

The correct answer is D. Pausing the VMs on the host. In a mission-critical environment, VMs must be paused first before host maintenance to preserve their running state and prevent data loss.

Operations and Support

Question

In a mission critical environment, performing maintenance operations on a host FIRST requires which of the following?

Options

  • AShutting down the host.
  • BMigrating all VMs off the host.
  • CShutting down the VMs on the host.
  • DPausing the VMs on the host

How the community answered

(49 responses)
  • A
    10% (5)
  • B
    6% (3)
  • C
    2% (1)
  • D
    82% (40)

Why each option

In a mission-critical environment, VMs must be paused first before host maintenance to preserve their running state and prevent data loss.

AShutting down the host.

Shutting down the host without addressing running VMs first would forcibly terminate all workloads, causing unplanned downtime and potential data corruption.

BMigrating all VMs off the host.

Migrating VMs off the host requires the VMs to already be in a stable, controlled state and depends on available destination hosts, making it a subsequent step rather than the first required action.

CShutting down the VMs on the host.

Shutting down VMs terminates them completely, losing any unsaved in-memory state and creating unnecessary downtime, which is unacceptable in mission-critical environments.

DPausing the VMs on the hostCorrect

Pausing (suspending) VMs freezes their execution state to disk or memory, allowing the host to undergo maintenance without permanently terminating workloads. This approach preserves the VM state so operations can resume after maintenance completes, which is essential in mission-critical scenarios where service continuity and data integrity are required.

Concept tested: VM state management prior to host maintenance

Source: https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.resmgmt.doc/GUID-8F705E83-6AA5-45C2-A91C-14D14BCB0C8C.html

Topics

#VM maintenance#host maintenance#live migration#mission critical

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