Linux Foundation KCNA Online Practice Questions and Exam Preparation

Linux Foundation KCNA Online Questions & Answers

• Question 31:

  To run a startup task before a Pod's container starts up. What Kubernetes feature can help you ac-complish this?

  A. Init container
  B. Sidecar container
  C. Startup probe
  D. DaemonSet
  A. Init container

• Question 32:

  What kind of limitation cgroups allows?

  A. Prioritization
  B. Resource limiting
  C. Accounting
  D. None of the options
  E. Control
  F. Server cpu and memory
  A. Prioritization
  B. Resource limiting
  C. Accounting
  E. Control

• Question 33:

  How would you return all the pod data in the json format using kubectl command?

  A. kubectl get pods -o json
  B. kubectl get pods --all-namspaces
  C. kubectl get pods -o wide
  D. kubectl get pods -o jsonpath
  A. kubectl get pods -o json

• Question 34:

  Which organizational persona creates Service Level Agreements 'SLA', Service Level Objectives 'SLO', and Service Level Indicator 'SLI'?

  A. Developer
  B. DevSecOps
  C. Site Reliability Engineer (SRE)
  D. Security and Compliance Engineer
  E. DevOps
  C. Site Reliability Engineer (SRE)

• Question 35:

  Which of the following container runtime is planned to be deprecated in Kubernetes 1.20 and high-er?

  A. cri-o
  B. None of the options
  C. docker
  D. podman
  E. containerd
  C. docker

• Question 36:

  Continuous delivery is ______.

  A. Manually deploying the code
  B. Coding, Building and Testing the code
  C. Automatically deploying code to [container or server] environment
  C. Automatically deploying code to [container or server] environment

• Question 37:

  What tool allows us to build useful visual representations of prometheus data?

  A. Grafana
  B. kubectl
  C. Distributed system tracing
  D. Rook
  E. Kibana
  A. Grafana

• Question 38:

  What is container runtime?

  A. The amount of time it takes a container to execute
  B. A container image format
  C. Another term of kubelet or kubectl
  D. Software that runs containers
  D. Software that runs containers

• Question 39:

  The Kubernetes rolling update is used for __.

  A. Updating a service
  B. Scaling an application
  C. Updating a deployment
  C. Updating a deployment

• Question 40:

  What command can you use to get documentation about a resource type from the command line?

  A. kubectl api-resources
  B. kubectl explain
  C. kubectl get
  D. kubeadm get-resource
  B. kubectl explain