KCNA Container Orchestration Practice Question
Which of the following correctly describes the concept of 'immutable infrastructure' in the context of container orchestration?
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
✓
Infrastructure components are recreated from a known good state rather than modified
Immutable infrastructure means that once a container image is built, it is never modified; updates are done by replacing the entire container with a new image.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Infrastructure components are recreated from a known good state rather than modified
Why this is correct
This is the core idea of immutability.
- ✗
Configuration changes are applied via SSH into running containers
Why it's wrong here
Immutable infrastructure discourages SSH into containers.
- ✗
Servers are never rebooted
Why it's wrong here
Immutable infrastructure is about configuration, not reboots.
- ✗
Container images are updated in-place by patching existing layers
Why it's wrong here
Immutable infrastructure avoids in-place updates.
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