KCNA Kubernetes Fundamentals Practice Question
Which TWO of the following are true about Kubernetes Services? (Select 2)
⚠ Common exam trap
A common misconception is that Services handle Pod scaling or replication; in fact, Services only provide stable networking and load balancing to a set of Pods selected by labels.
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
✓
Services can distribute traffic across Pods using labels and selectors.
Kubernetes Services use label selectors to identify a set of Pods and then distribute incoming traffic to those Pods. This is the core mechanism that decouples the Service from the specific Pod instances, enabling load balancing and dynamic routing.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Services automatically handle Pod replication and scaling.
Why it's wrong here
Deployments handle scaling, not Services.
- ✓
Services can distribute traffic across Pods using labels and selectors.
Why this is correct
Services use label selectors to target Pods.
- ✗
Services can only expose Pods internally within the cluster.
Why it's wrong here
Services can be exposed externally via NodePort or LoadBalancer types.
- ✓
Services provide a stable IP address and DNS name for a set of Pods.
Why this is correct
A Service exposes Pods with a stable endpoint.
- ✗
Services are required for Pods to have persistent storage.
Why it's wrong here
Persistent storage is handled by PersistentVolumeClaims, not Services.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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