CKAD Services and Networking

Question 1

Which Service type exposes an application externally using a cloud provider's load balancer?

Accepted Answer

LoadBalancer

Answer

ClusterIP

Answer

NodePort

Answer

ExternalName

Question 2

What is the default Service type in Kubernetes?

Accepted Answer

ClusterIP

Answer

NodePort

Answer

LoadBalancer

Answer

ExternalName

Question 3

How does a Service select which pods to route traffic to?

Accepted Answer

By label selectors matching pod labels

Answer

By pod name

Answer

By pod IP address

Answer

By container port number

Question 4

Which Service type exposes a pod on each node's IP at a static port?

Accepted Answer

NodePort

Answer

ClusterIP

Answer

LoadBalancer

Answer

ExternalName

Question 5

What does a Network Policy 'policyTypes: [Ingress]' with no 'ingress' rules do to the selected pods?

Accepted Answer

Blocks all ingress traffic to the selected pods

Answer

Allows all ingress traffic

Answer

Allows only internal cluster traffic

Answer

Has no effect on traffic

Question 6

Which DNS name format allows a pod to reach a ClusterIP Service named 'myservice' in namespace 'prod'?

Accepted Answer

myservice.prod.svc.cluster.local

Answer

myservice.prod

Answer

prod.myservice.cluster

Answer

myservice.cluster.prod.local