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Kubernetes and Cloud Native Associate (KCNA)
KCNA Exam

What is autoscaling?

  1. Automatically measuring resource usage
  2. Automatically assigning workloads to nodes in a cluster
  3. Automatically repairing broken application instances
  4. Automatically adding or removing compute resources as needed

Answer(s): D


Reference:

https://kubernetes.io/blog/2016/07/autoscaling-in-kubernetes/
Autoscaling means automatically scaling up or down in response to real-time usage data.



Open Container Initiative set container standards for

  1. Code, Build, Distribute, Deploy containers
  2. Run, build, and image
  3. Code, Build, Distribute containers
  4. Run, Build, Distribute containers

Answer(s): D



What are the two major components of service mesh?

  1. Control plane and Data plane
  2. Master plane and Data plane
  3. None of the options
  4. Controller plane and User plane
  5. Master plane and User plane

Answer(s): A

Explanation:


Reference:

https://istio.io/latest/about/service-mesh/



What is the command to list all the available objects in your Kubernetes cluster?

  1. kubectl get all
  2. kubectl get api-resources
  3. kubectl api-resources
  4. kubectl get pods

Answer(s): C

Explanation:


Reference:

https://kubernetes.io/docs/reference/kubectl/cheatsheet/




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