Question 1

When scaling a stateful application in Kubernetes, what role does the "Headless Service" play?

Options :

A : Enables zero-downtime deployments for the stateful application.

B : Allows each Pod in the StatefulSet to have its own stable hostname.

C : Provides automatic failover and recovery for the stateful application.

D : Automatically replicates the stateful data across multiple nodes.

Answer: B

Question 2

Which of the following describes a Kubernetes Service?

Options :

A : An abstraction for running short-lived tasks.

B : An abstraction layer for exposing Pods as network services.

C : A resource to manage the desired state of a container.

D : A set of rules for ingress and egress traffic.

Answer: B

Question 3

Which Kubernetes component is responsible for pulling container images and starting containers?

Options :

A : kube-apiserver

B : kubelet

C : etcd

D : kube-scheduler

Answer: B

Question 4

What cloud-native construct does a kubernetes pod wrap?

Options :

A : Container

B : Virtual Machine (VM)

C : side car process

D : Docker image

Answer: A

Question 5

What is the name for the tool that manages communication between pods, injects a sidecar proxy container into each pod and directs network traffic through the proxy container?

Options :

A : namespace

B : Deployment

C : Network policy

D : Service mesh

E : Service

Answer: D