KCNA Container Orchestration Practice Question
Which THREE of the following are benefits of using container orchestration? (Choose three.)
⚠ Common exam trap
CNCF often tests the distinction between architectural patterns (like microservices) and operational benefits of orchestration, so candidates mistakenly select decomposition as a direct benefit when it is actually a design choice that orchestration supports.
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
✓
High availability through automated failover
Container orchestration platforms like Kubernetes implement automated failover by monitoring container health via liveness probes and rescheduling pods on healthy nodes when a node fails. This ensures that applications remain available even when underlying infrastructure components fail, which is a core benefit of orchestration.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
High availability through automated failover
Why this is correct
Orchestration ensures applications remain available.
- ✗
Decomposition of applications into microservices
Why it's wrong here
Microservices decomposition is an architectural decision, not a direct benefit of orchestration.
- ✗
Simplified networking with flat network topology
Why it's wrong here
While orchestration provides networking, a flat topology is not a primary benefit.
- ✓
Self-healing by restarting failed containers
Why this is correct
Orchestration detects failures and restarts containers.
- ✓
Automatic scaling of applications based on demand
Why this is correct
Orchestration can scale replicas up/down.
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