PCSE Ensuring Data Protection Practice Question
Which two statements correctly describe Cloud KMS key versions? (Choose TWO.)
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Key versions are immutable once created.
Key versions in Cloud KMS are immutable and each has its own key material. You can enable or disable versions for rotation. A key has multiple versions; rotation creates new versions. The state can be ENABLED, DISABLED, DESTROYED, etc. The grace period applies to destruction scheduling.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Key versions are immutable once created.
Why this is correct
Key material cannot be changed; you create new versions for rotation.
- ✗
Key versions can be rotated automatically without creating a new version.
Why it's wrong here
Rotation creates a new version.
- ✗
The destruction of a key version is immediate upon request.
Why it's wrong here
There is a 24-hour grace period by default.
- ✓
You can disable a key version to prevent its use.
Why this is correct
Disabling a version stops it from being used for cryptographic operations.
- ✗
Each key version can have a different purpose.
Why it's wrong here
All versions of a key share the same purpose.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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