Linux Foundation KCNA Online Practice Questions and Exam Preparation

Linux Foundation KCNA Online Questions & Answers

• Question 71:

  Which of the following best describes the way kubernetes Role-based access control (RBAC) works?

  A. Kubernetes does not do RBAC
  B. Kubernetes RBAC states which users can perform which actions against which re- source
  C. Kubernetes RBAC lists which operations on which resources are denied to users
  D. Kubernetes RBAC is responsible for authenticating subjects such as users and groups
  B. Kubernetes RBAC states which users can perform which actions against which re- source

• Question 72:

  What is the default service type in Kubernetes?

  A. CusterIP
  B. NodePort
  C. serviceType
  D. loadBalancer
  A. CusterIP

• Question 73:

  What feature is used for selecting the container runtime configuration?

  A. RuntimeClass
  B. RuntimeContainer
  C. Runtime D. RuntimeConfig
  A. RuntimeClass

• Question 74:

  You might need to run a stateless application in kubernetes, and you want to be able to scale easily and perform rolling updates. What kubernetes resource type can you use to do this

  A. Dameon set
  B. Replica set
  C. Deployment
  D. pod
  E. service
  F. Stateful set
  C. Deployment

• Question 75:

  A ________ is an application running on kubernetes.

  A. node
  B. pod
  C. workload
  D. container
  C. workload

• Question 76:

  'kubectl delete -n my-ns po,svc --all' will delete pods and services including uninitialized ones in the namespace 'my-ns'

  A. FALSE
  B. TRUE
  B. TRUE

• Question 77:

  Fluentd is the only way to export logs from Kubernetes cluster or applications running in cluster

  A. True
  B. False
  B. False

• Question 78:

  What framework allows developers to write code without worrying about the servers and operating systems they will run on?

  A. Virtualization
  B. Docker
  C. Serverless
  D. Kubernetes
  C. Serverless

• Question 79:

  What are the two major components of service mesh?

  A. Control plane and Data plane
  B. Master plane and Data plane
  C. None of the options
  D. Controller plane and User plane
  E. Master plane and User plane
  A. Control plane and Data plane

• Question 80:

  What do control groups provide when it come to containers

  A. Permission
  B. Image Storage
  C. Isolation
  D. Logging
  C. Isolation