Linux Foundation KCNA Online Practice Questions and Exam Preparation

Linux Foundation KCNA Online Questions & Answers

• Question 41:

  How to get the logs of the previously terminated nginx container from the web pod?

  A. kubectl logs -p -c nginx web
  B. kubectl logs nginx
  C. kubectl logs -p -c web nginx
  D. kubectl logs -f -c nginx web
  A. kubectl logs -p -c nginx web

• Question 42:

  In distributed system tracing, is the term used to refer to a request as it passes through a single com-ponent of the distributed system?

  A. Log
  B. Span
  C. Trace
  D. Bucket
  B. Span

• Question 43:

  How can you achieve cost optimization in the cloud environment?

  A. Use On Demand instances
  B. Use Spot Instances
  C. Use Reserved Instances
  D. Use Bare Metal
  C. Use Reserved Instances

• Question 44:

  What makes cloud native technology so important?

  A. It makes data centric
  B. It strengthens team
  C. It removes roadblocks to innovation
  D. It helps gather software requirements
  E. It makes operational centric
  C. It removes roadblocks to innovation

• Question 45:

  Which of the following computing model doesn't require you to provision infrastructure?

  A. None of the above
  B. Bare Metal
  C. Compute Engine
  D. Virtual Machines
  E. Serverless
  E. Serverless

• Question 46:

  Which of the following is an example of vertical scaling?

  A. Using cluster autoscaler
  B. Adding more resources (memory and/or cpu) to a kubernetes node
  C. Adding more nodes to kubernetes cluster
  D. Adding more replica pods to a deployment
  B. Adding more resources (memory and/or cpu) to a kubernetes node

• Question 47:

  What is the use of labels in Kubernetes?

  A. All of the options
  B. It is used to assign annotation to an object
  C. It is used to assign key-value pair to an object
  D. It is used to assign a name to an object.
  C. It is used to assign key-value pair to an object

• Question 48:

  What command use to get documentation about kubernetes resource type

  A. alias k='kubectl' k api-resources
  B. alias k='kubectl' k api-list
  C. alias k='kubectl' k explain
  D. alias k='kubectl' k get resource
  C. alias k='kubectl' k explain

• Question 49:

  Which is not a service type in Kubernetes?

  A. ClusterIP
  B. NodePort
  C. Ingress
  D. LoadBalancer
  E. ExternalName
  C. Ingress

• Question 50:

  Which CNCF project is the dominant project with respect to container registries

  A. Envoy
  B. Harbor
  C. Kubernetes
  D. Rook
  B. Harbor