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Quiz

By · Reviewed & last updated · Part of Kubernetes Tutorial

Test your kubectl, Pod, Service, and RBAC fundamentals before you ship a chart to production.

Sample questions

EXAMPLE
# Kubernetes quiz

1) Which controller is best suited for stateless workloads?
   a) StatefulSet  b) Deployment  c) DaemonSet  d) Job

2) A Pod is stuck in CrashLoopBackOff. Which command shows the previous container exit?
   a) kubectl logs pod --previous
   b) kubectl describe pod | grep state
   c) kubectl get events
   d) all of the above

3) Which Service type exposes a Pod on every Node IP at a static port?
   a) ClusterIP  b) NodePort  c) LoadBalancer  d) ExternalName

4) RBAC: a Role lives in a namespace. What is its cluster-scoped sibling?
   a) ClusterRoleBinding  b) ClusterRole  c) Subject  d) ServiceAccount

5) ConfigMaps are not for:
   a) feature flags  b) non-secret config files
   c) database passwords  d) commit-time toggles

6) Which probe restarts the container when it fails?
   a) readinessProbe  b) startupProbe  c) livenessProbe  d) lifecycle hook

7) HPA scales based on:
   a) CPU only
   b) memory only
   c) CPU, memory, or custom metrics
   d) request count only

8) A PodDisruptionBudget protects against:
   a) node failure
   b) too many voluntary disruptions at once
   c) image pull errors
   d) OOMKill

Answers: 1b, 2d, 3b, 4b, 5c, 6c, 7c, 8b.

Why it matters

If you missed 5 or fewer, jump straight to writing your own Helm chart. If you missed more, redo Deployments, Services, and Probes before HPA and RBAC.

Tip: Tweak the snippet with Try it Yourself », then sit the quiz at the bottom of the page.

Example

Example
# 3 questions per lesson.
Try it Yourself »

Discussion

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