KCNA Kubernetes Fundamentals Practice Question
Which two of the following are benefits of using Kubernetes for container orchestration? (Select TWO.)
⚠ Common exam trap
A common pitfall is assuming that Kubernetes includes built-in CI/CD, code compilation, or database management features. In reality, these are external tools integrated separately. Kubernetes core features focus on container orchestration, including self-healing (via liveness probes and controllers) and automated rollouts/rollbacks (via Deployments).
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
✓
Self-healing: automatically restarts failed containers
Kubernetes provides self-healing capabilities through controllers like ReplicaSets and Deployments, which monitor pod health via liveness probes. If a container fails or becomes unresponsive, the controller automatically terminates the unhealthy pod and creates a replacement to maintain the desired replica count, ensuring application resilience without manual intervention.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Integrated continuous integration pipeline
Why it's wrong here
CI/CD is external to Kubernetes.
- ✗
Automatic code compilation
Why it's wrong here
Code compilation is not a Kubernetes feature.
- ✓
Self-healing: automatically restarts failed containers
Why this is correct
Kubernetes replaces containers that fail.
- ✗
Built-in database management
Why it's wrong here
Kubernetes does not have built-in database management.
- ✓
Automated rollouts and rollbacks
Why this is correct
Kubernetes supports rolling updates and rollbacks.
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