Linux Foundation Linux Foundation Certifications KCNA Questions & Answers

• Question 101:

  Which is NOT a use case for the Kubernetes dashboard?

  A. Troubleshooting any issues with applications

  B. Managing running applications

  C. Installing new Kubernetes cluster

  D. Managing the entire Kubernetes cluster

  Correct Answer: C

• Question 102:

  What is not semantic versioning?

  A. 1.0.0

  B. 2022-05-04

  C. 1.0.0-alpha

  D. 1.0.0-beta.2

  Correct Answer: B

  Explanation: https://semver.org/RegEx SemVer at https://regex101.com/r/vkijKf/1/

• Question 103:

  What kind of limitation cgroups allows?

  A. Prioritization

  B. Resource limiting

  C. Accounting

  D. None of the options

  E. Control

  F. Server cpu and memory

  Correct Answer: ABCE

• Question 104:

  What is container orchestration?

  A. Packaging code and all of its dependencies into a single executable

  B. Adding code to a container image so it can run as a container

  C. Using automation to manage containers

  D. Spinning a new containers to replace old ones

  Correct Answer: C

  Explanation: https://www.redhat.com/en/topics/containers/what-is-container-orchestration

  

• Question 105:

  Which control plane component is responsible for scheduling pods?

  A. kube-proxy

  B. kube scheduler

  C. kubelet

  D. kube api-server

  Correct Answer: B

  Explanation: https://kubernetes.io/docs/concepts/overview/components/

  

• Question 106:

  What are the two goals of Cloud-Native?

  A. Rapid innovation and automation

  B. Slow innovation and stable applications

  C. Frequent deployments and well-defined organizational silos

  D. Rapid innovation and reliability

  Correct Answer: D

  Explanation: https://www.redhat.com/en/topics/cloud-native-apps

• Question 107:

  Which organizational persona creates Service Level Agreements 'SLA', Service Level Objectives 'SLO', and Service Level Indicator 'SLI'?

  A. Developer

  B. DevSecOps

  C. Site Reliability Engineer (SRE)

  D. Security and Compliance Engineer

  E. DevOps

  Correct Answer: C

  Explanation: SREs create SLAs, SLOs, and SLIs to define and implement standards for application and infra-structure reliability.

• Question 108:

  Notary and the update framework leading security projects in CNCF

  A. TRUE

  B. FALSE

  Correct Answer: A

  Explanation: https://github.com/cncf/landscape#trail-map

  

• Question 109:

  What is a commonly used package manager for kubernetes applications?

  A. npm

  B. apt

  C. helm

  D. kubernetes manifest

  Correct Answer: C

  Explanation: https://helm.sh/

• Question 110:

  What is scheduling in Kubernetes

  A. Determining when to execute a cron-job

  B. Assigning pods to nodes

  C. Joining a new nodes to the clusters

  D. Setting a time for automated tasks

  Correct Answer: B

  Explanation: https://kubernetes.io/docs/concepts/scheduling-eviction/