DevOps- test - K8s - Part 1

1. Which field in a Pod YAML definition specifies the container image to use?

• spec.containers.image

• metadata.image

• spec.image

• containers.image

Which command is used to create a Pod from a YAML file?

• kubectl create -f pod.yaml

• kubectl run pod.yaml

• kubectl apply -f pod.yaml

• kubectl start pod.yaml

What will happen if a field is incorrectly specified in a YAML file while creating a Pod?

• The Pod will be created with default values

• Kubernetes will ignore the incorrect field

• Kubernetes will throw a validation error

• The Pod will be created but in a CrashLoopBackOff state

Which command would you use to add a label to an existing Pod?

• kubectl label pod mypod app=frontend

• kubectl annotate pod mypod app=frontend

• kubectl apply label pod mypod app=frontend

• kubectl set label pod mypod app=frontend

What is a key characteristic of Kubernetes labels?

• They must be unique across the entire cluster

• They can be used to select a group of objects

• They are automatically applied by Kubernetes

• They are used for storing secrets

1. How do you define the number of replicas in a Deployment YAML file?

• spec.template.spec.replicas

• • spec.replicas

• metadata.replicas

• spec.template.replicas

Which command scales a Deployment to 5 replicas?

• kubectl scale deployment mydeployment --replicas=5

• kubectl set replicas deployment mydeployment 5

• kubectl apply deployment mydeployment --replicas=5

• kubectl replicate deployment mydeployment 5

Which field in a Service YAML definition specifies the load balancer type?

• spec.loadBalancerType

• spec.type

• • metadata.type

• spec.ports.type

What is the primary function of a Kubernetes Service of type LoadBalancer?

• To expose the service on a static port on each node

• To provide an external IP address that forwards to the service

• To route internal traffic between Pods

• To provide persistent storage

Which type of Service is used to expose a Service to external traffic using a fixed port on each Node?

• ClusterIP

• NodePort

• LoadBalancer

• ExternalName