Slide 1
Excellent Education Program
Innovative Methods of Teaching

Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Cum sociis natoque penatibus et magnis dis parturient.

Slide 2
Learning Through Play
Devoted to the Early Education

Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim.

Slide 2
Learning Through Play
Devoted to the Early Education

Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim.

Slide 2
Learning Through Play
Devoted to the Early Education

Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim.

Slide 2
Learning Through Play
Devoted to the Early Education

Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim.

Slide 3
Learning Through Play
Find a Class for your Children

Aenean leo ligula, porttitor eu, consequat vitae, eleifend ac, enim. Aliquam lorem ante, dapibus in, viverra quis.

previous arrow
next arrow

Kubernetes Interview Questions and Answer Part – 8

Spread the Knowledge

What is the primary application transport mechanism for the Kubernetes API Server?

  • Server side RPC calls
  • Javascript over WebSockets
  • TCP multiplexing over HTTP/S
  • JSON Over HTTP/S (Ans)

Objects in the Kubernetes API are organized by which following methods?

  • Kind, Group and API Version (Ans)
  • etcd’s concurrency model
  • Object level resourceVersion
  • Key value store

Which kubectl command will retrieve the definition/documentation for an API Object from the API Server?

  • get document
  • –objectName
  • explain (Ans)
  • get object

As new API Versions become available what is the release cadence?

  • Alpha -> Beta -> Stable (Ans)
  • Versioning
  • Stable – > Production -> Primary Release
  • Release

If you needed to assign workload to a subset of nodes in your cluster, what method would you choose so that you are not dependent on the Node names in the cluster?

  • Annotate the nodes and use a hardwareSelector in your Pod Spec
  • Annotate the nodes and use a namespace in your Pod Spec
  • Label the nodes and use a nodeSelector in your Pod Spec
  • This is not possible in Kubernetes due to it’s declarative model for deployments (Ans)

Which of the following will remove the label disk from a node?

  • kubectl label node c1-node2 disk
  • kubectl relabel node c1-node2 disk-
  • kubectl label node c1-node2 disk-
  • kubectl remove label node c1-node2 disk (Ans)

What is the primary function of a Controller in Kubernetes?

  • Running bare/naked Pods
  • Migrating Pod workloads to the Cloud
  • Migrating Pod workloads between Nodes
  • To keep your application in the desired state (Ans)

What is the primary design goal for using multi-container Pods?

  • Scaling stateful containers
  • Tightly coupled applications (Ans)
  • More flexible recovery options when restarting Pods
  • Scaling stateless containers

Which of the following is the appropriate order of a Pod’s lifecycle?

  • Creation -> Running -> Restart
  • PodSpec -> Running -> Termination
  • Kubectl run -> Running -> Termination
  • Creation -> Running -> Termination (Ans)

Which container restart policy will restart a container only on a non-zero exit code?

  • OnFailure (Ans)
  • Never
  • OnNonZeroExitCode
  • Always

For Kubernetes API Objects that were part of the initial releases, which API Group are they in?

  • They’ve been refactored into their appropriate API Groups
  • Fundamental
  • Workload
  • Core/Legacy (Ans)

What is the primary way to subdivide a cluster on the basis of resource isolation and/or organization?

  • Namespace (Ans)
  • Label
  • Annotation
  • Subclustering/Federation

What is the primary way in Kubernetes to execute a command on a grouping of resources based on using a selector?

  • Annotations
  • Labels (Ans)
  • Querying
  • Namespaces

What is the primary way to store information along with your resources in the cluster?

  • Annotations (Ans)
  • resourceNotes
  • Labels
  • Namespaces

Which of the following will return the pods whose label is app=prod?

  • kubectl get pods -l app=prod (Ans)
  • kubectl get pods -l app<>prod
  • kubectl get pods -l prod
  • kubectl get pods -l app!=prod

What is the primary unit of allocating work in a Kubernetes Cluster?

  • Manifest
  • Pod (Ans)
  • Deployment
  • Container

What is the primary function of a Controller in Kubernetes?

  • To keep your application in the desired state (Ans)
  • Migrating Pod workloads to the Cloud
  • Migrating Pod workloads between Nodes
  • Running bare/naked Pods

When using kubectl exec, a connection is first made to what cluster component prior to sending the command to the Pod?

  • The Controller Manager
  • The API Server (Ans)
  • The Scheduler
  • The Kubelet

Which type of container probe will restart your container on probe failure?

  • livenessProbe (Ans)
  • SIGTERM
  • readinessProbe
  • SIGKILL
Rajesh Kumar
Latest posts by Rajesh Kumar (see all)