KCNA Container Orchestration Practice Question
Which of the following is a benefit of using container orchestration platforms like Kubernetes?
⚠ Common exam trap
CNCF often tests the misconception that container orchestration platforms like Kubernetes increase complexity and latency, but the correct answer highlights that they actually automate recovery and improve resilience, not degrade performance.
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 (automatic restart of failed containers)
Kubernetes includes a built-in controller (the kubelet and ReplicaSet controller) that continuously monitors the desired state of pods. If a container fails or its process crashes, the kubelet automatically restarts it based on the pod's restart policy (e.g., Always), ensuring high availability without manual intervention. This self-healing capability is a core benefit of container orchestration, reducing downtime and operational overhead.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Increased network latency
Why it's wrong here
Orchestration aims to optimize networking, not increase latency.
- ✗
Manual scaling of applications
Why it's wrong here
Orchestration platforms automate scaling, not require manual intervention.
- ✓
Self-healing (automatic restart of failed containers)
Why this is correct
Kubernetes automatically restarts containers that fail, replaces and reschedules pods when nodes die.
- ✗
Tighter coupling between microservices
Why it's wrong here
Microservices are loosely coupled; orchestration promotes independent deployment.
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