ExpertMedium1 markMultiple Choice
GCP ACE · Question 31 · Domain 4.1: Managing Compute Engine resources
You need to create a backup of a persistent disk attached to a Compute Engine instance. You want to ensure that you can quickly create new VMs in different regions using this exact disk state.
What should you create?
You need to create a backup of a persistent disk attached to a Compute Engine instance. You want to ensure that you can quickly create new VMs in different regions using this exact disk state.
What should you create?
Answer options:
A.
A Snapshot
B.
A Custom Image
C.
An Instance Template
D.
A Machine Image
How to approach this question
Understand the difference between Snapshots (incremental backups) and Images (reusable boot templates).
Full Answer
B.A Custom Image✓ Correct
A Custom Image
Custom Images are global resources used to create boot disks for new instances. While snapshots can be used to create images, if your primary goal is to boot new VMs in different regions, creating an Image is the correct approach.
Common mistakes
Choosing Snapshot. Snapshots are tied to the region of the original disk and are meant for incremental backups, not as global boot templates.
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