CompTIA
CV0-003 · Question #672
CV0-003 Question #672: Real Exam Question with Answer & Explanation
The correct answer is C: Take a snapshot of the system.. A snapshot is a point-in-time copy of a virtual machine (VM). If the upgrade fails, the administrator can restore the VM to the snapshot to recover the system to its previous state. This is the fastest way to recover the system in case of an unrecoverable upgrade failure.
Operations
Question
A systems administrator is performing an OS upgrade on a production VM. Which of the following actions should the administrator take before the upgrade to ensure the FASTEST recovery of the system in case the upgrade fails in an unrecoverable way?
Options
- ASubmit the upgrade to the CAB.
- BPerform a full backup.
- CTake a snapshot of the system.
- DTest the upgrade in a preproduction environment.
Explanation
A snapshot is a point-in-time copy of a virtual machine (VM). If the upgrade fails, the administrator can restore the VM to the snapshot to recover the system to its previous state. This is the fastest way to recover the system in case of an unrecoverable upgrade failure.
Topics
#snapshots#VM recovery#OS upgrade#backup and restore
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