Linux Foundation KCNA Online Practice Questions and Exam Preparation

Linux Foundation KCNA Online Questions & Answers

• Question 21:

  Which Kubernetes resource creates Kubernetes Jobs?

  A. JobFactory
  B. CronJob
  C. Task
  D. JobDeployment
  B. CronJob

• Question 22:

  Which command-line tool is used to interact with the Kubernetes cluster?

  A. kube-api
  B. kubectl
  C. kube-scheduler
  B. kubectl

• Question 23:

  An application that is nearing its usage limit. To increase the amount of users it can handle, you allo-cate additional memory resources to each instance of the application. What type of scaling is this?

  A. Horizontal Scaling
  B. Cluster Autoscaling
  C. Recursive Scaling
  D. Vertical Scaling
  D. Vertical Scaling

• Question 24:

  Which prometheus metric type represents a single number value that can increase and decrease over time?

  A. Gauge
  B. Histogram
  C. Summary
  D. Counter
  A. Gauge

• Question 25:

  How to create deployment name app-dep, image=nginx, and replicas 5 using imperative command?

  A. kubectl create app-dep deployment --image=nginx --replicas=5
  B. kubectl create deployment app-dep --image=nginx --replicas=5
  C. kubectl create app-dep deployment --replicas=5 --image=nginx
  B. kubectl create deployment app-dep --image=nginx --replicas=5

• Question 26:

  Which command is used to expose Kubernetes service

  A. kubectl expose
  B. kubectl create
  C. kubectl run
  A. kubectl expose

• Question 27:

  Which of the following best describes a cloud-native app?

  A. An application where all logic is coded into a single large binary.
  B. An application that publishes an HTTPS web front-end.
  C. An application that takes advantages of cloud computing fromworks and their loosely coupled cloud services.
  D. An application that leverages services that are native to public cloud platforms such as Azure, GCP, and/or AWS.
  C. An application that takes advantages of cloud computing fromworks and their loosely coupled cloud services.

• Question 28:

  A ________ is a ready-to-run software package, containing everything needed to run an application.

  A. Container Repository
  B. Container Runtime
  C. Docker
  D. Container Image
  D. Container Image

• Question 29:

  What is FinOps?

  A. The first step in any cloud transformation
  B. Stage beyond DevOps or DevSecOps, where organization transition to serverless tech- nologies
  C. Using data to make cost savings decisions about cloud usage
  D. Specialized cloud features used by financial industries (example: banks, insurance, etc)
  C. Using data to make cost savings decisions about cloud usage

• Question 30:

  Which of the following command is used to get detailed information about the pod?

  A. kubectl info
  B. kubectl get
  C. kubectl describe
  D. kubectl explain
  C. kubectl describe