CKAD Kubernetes Application Observability Quiz

1. True or False: A failed readiness probe causes the pod to be restarted.

True

False

2. True or False: A probe can be configured to use both HTTP and TCP socket checks simultaneously.

True

False

3. Which command shows resource requests and limits for a pod?

Kubectl top pod

Kubectl get pod -o yaml

Kubectl describe pod

Kubectl logs

4. What does the initialDelaySeconds field in a probe definition do?

Limits the maximum probe duration

Delays probe execution after container startup

Sets the interval between probes

Defines the failure threshold

5. True or False: kubectl attach connects to a running container's stdin and stdout.

True

False

6. Which field specifies how often a probe should run?

Interval

PeriodSeconds

Frequency

CheckInterval

7. How do you view logs from all containers in a multi-container pod?

Kubectl logs --all-containers=true

Kubectl logs -c

Kubectl describe pod

Kubectl get logs

8. True or False: Liveness probes prevent unhealthy pods from receiving traffic.

True

False

9. What probe handler type uses an HTTP GET request to verify container health?

Exec

TcpSocket

HttpGet

Grpc

10. Which command retrieves events for a specific namespace?

Kubectl get events -n

Kubectl describe events

Kubectl logs events -n

Kubectl top events -n

11. Which kubectl command displays container logs for troubleshooting an application pod?

Kubectl logs

Kubectl describe

Kubectl get events

Kubectl top pod

12. What does kubectl logs -f do?

Display logs from all containers

Stream logs continuously (follow mode)

Filter logs by timestamp

Format logs as JSON

13. Which probe type allows time for an application to start up?

Liveness probe

Readiness probe

Startup probe

Init probe

14. How can you execute commands inside a running container for debugging?

Kubectl run

Kubectl exec -it -- /bin/sh

Kubectl attach

Kubectl debug

15. What is the function of kubectl describe pod in debugging?

Display real-time resource metrics

Show detailed pod status, events, and conditions

Stream container logs continuously

List all pods in the cluster

16. Which field in a Pod specification defines the liveness probe?

Spec.containers[].livenessProbe

Spec.livenessProbe

Metadata.livenessProbe

Status.livenessProbe

17. What does the kubectl top command display?

Pod creation timestamps

CPU and memory resource usage

Application logs and events

Container image information

18. How do you view logs from a previous container instance in a pod?

Kubectl logs --previous

Kubectl describe pod

Kubectl get logs

Kubectl logs --history

19. Which probe type checks if an application is ready to accept requests?

Liveness probe

Readiness probe

Startup probe

Health probe

20. What is the purpose of a liveness probe in Kubernetes?

Detect if a container has started successfully

Determine if a pod is ready to receive traffic

Restart a container if it becomes unresponsive

Monitor resource consumption in real-time

CKAD Kubernetes Application Observability Quiz

1. True or False: A failed readiness probe causes the pod to be restarted.

2.

What first name or nickname would you like us to use?

2. True or False: A probe can be configured to use both HTTP and TCP socket checks simultaneously.

3. Which command shows resource requests and limits for a pod?

4. What does the initialDelaySeconds field in a probe definition do?

5. True or False: kubectl attach connects to a running container's stdin and stdout.

6. Which field specifies how often a probe should run?

7. How do you view logs from all containers in a multi-container pod?

8. True or False: Liveness probes prevent unhealthy pods from receiving traffic.

9. What probe handler type uses an HTTP GET request to verify container health?

10. Which command retrieves events for a specific namespace?

11. Which kubectl command displays container logs for troubleshooting an application pod?

12. What does kubectl logs -f do?

13. Which probe type allows time for an application to start up?

14. How can you execute commands inside a running container for debugging?

15. What is the function of kubectl describe pod in debugging?

16. Which field in a Pod specification defines the liveness probe?

17. What does the kubectl top command display?

18. How do you view logs from a previous container instance in a pod?

19. Which probe type checks if an application is ready to accept requests?

20. What is the purpose of a liveness probe in Kubernetes?