Kubernetes Container Orchestration Kubernetes 2

Question 1

Which Kubernetes object automatically replaces a Pod if it crashes or is deleted?

Accepted Answer

ReplicaSet

Answer

A ReplicaSet continuously monitors Pods and creates replacements to maintain the desired replica count.

Question 2

What is the purpose of a Kubernetes Namespace?

Accepted Answer

To partition cluster resources among multiple users or teams

Answer

Namespaces provide a mechanism for isolating groups of resources within a single cluster, useful for multi-team environments.

Question 3

Which field in a Pod spec controls which node a Pod is scheduled on by matching node labels?

Accepted Answer

nodeSelector

Answer

nodeSelector is the simplest way to constrain a Pod to nodes with specific labels.

Question 4

What does a Kubernetes Ingress resource do?

Accepted Answer

Routes external HTTP/HTTPS traffic to internal Services based on rules

Answer

An Ingress defines rules for routing external HTTP/HTTPS requests to Services inside the cluster, typically managed by an Ingress controller.

Question 5

Which command displays the logs of a running container in a Pod?

Accepted Answer

kubectl logs <pod>

Answer

kubectl logs streams the stdout/stderr output of a container running inside the specified Pod.

Kubernetes Container Orchestration Practice Test