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Kubernetes and Cloud Native Associate (KCNA)
KCNA Exam

There are three Nodes in a cluster, and want to run exactly one replica of a Pod on each Node. Pre-fer to automatically create a replica on any new Nodes when they are added. Which Kubernetes re- source should you use?

  1. DaemonSet
  2. ReplicaSet
  3. NodeSet
  4. StatefulSet
  5. Deployment

Answer(s): A

Explanation:

A DaemonSet runs replicas on all (or just some) Nodes in the cluster.


Reference:

https://kubernetes.io/docs/concepts/workloads/controllers/daemonset/



The 4C’s of Cloud Native security

  1. Chroot, Compute, Cluster and Container
  2. Cluster, Cloud, Compute, and Containers
  3. Code, Containers, Compute, and Cloud
  4. Cloud, Clusters, Containers, and Code

Answer(s): D


Reference:

https://kubernetes.io/docs/concepts/security/overview/



Various Container Orchestrator Systems (COS)?

  1. Apache Mesos
  2. None of the options
  3. Docker Swarm
  4. Kubernetes

Answer(s): A,C,D



Which is NOT a use case for the Kubernetes dashboard?

  1. Troubleshooting any issues with applications
  2. Managing running applications
  3. Installing new Kubernetes cluster
  4. Managing the entire Kubernetes cluster

Answer(s): C




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