Linux Foundation KCNA Online Practice Questions and Exam Preparation

Linux Foundation KCNA Online Questions & Answers

• Question 91:

  What is the smallest possible unit in Kubernetes to run a container?

  A. pod
  B. docker
  C. service
  D. container
  A. pod

• Question 92:

  Stateful set requires which service for the network identity of pods?

  A. Ingress
  B. Load Balancer Service
  C. Headless Service
  C. Headless Service

• Question 93:

  Have a pod 'hello' and a container in that pod 'green'. Which of the following commands would get the logs for that container?

  A. alias k='kubectl' k logs -p hello -c green
  B. alias k='kubectl' k logs hello -c green
  C. alias k='kubectl' k get logs -p hello -c green
  D. alias k='kubectl' k logs -p hello green
  B. alias k='kubectl' k logs hello -c green

• Question 94:

  Which statement is true about Pod Networking?

  A. All pod requires an external DNS server to get the hostname
  B. All containers in a pod get a unique IP address
  C. All containers in a pod share a single IP address
  D. All pod requires NAT to get a unique IP address.
  C. All containers in a pod share a single IP address

• Question 95:

  Which of the following is an advantage a cloud-native microservices application has over monolithic applications?

  A. Cloud-native microservices applications tend to be faster and more responsive than monolithic applications.
  B. Cloud-native microservice applications tend to be easier to troubleshoot.
  C. Cloud-native microservice applications tend to be easier to scale and perform updates on.
  C. Cloud-native microservice applications tend to be easier to scale and perform updates on.

• Question 96:

  Which of the following components is part of the Kubernetes control panel

  A. kubectl
  B. kube-proxy
  C. Service Mesh
  D. kubelet
  E. Cloud control manager
  E. Cloud control manager

• Question 97:

  What is etcd used for in Kubernetes?

  A. Integration with cloud platforms
  B. Network routing for the cluster
  C. Kubernetes API security
  D. Backend object storage for the Kubernetes API
  D. Backend object storage for the Kubernetes API

• Question 98:

  Which control plane component is responsible for scheduling pods?

  A. kube-proxy
  B. kube scheduler
  C. kubelet
  D. kube api-server
  B. kube scheduler

• Question 99:

  What does CNCF stand for?

  A. Cloud Native Computing Foundation
  B. Cloud Native Cloud Foundation
  C. Cloud Native Container Foundation
  A. Cloud Native Computing Foundation

• Question 100:

  What are container runtimes with Kubernetes?

  A. CRI-O
  B. lxd
  C. containerd
  D. Dockershim
  A. CRI-O
  C. containerd