DevOps Interview Questions

Devops Interview Questions and answers

Devops Interview Questions and answers for beginners and experts. List of frequently asked DevOps Interview Questions with answers by Besant Technologies. We hope these Devops Interview Questions and answers are useful and will help you to get the best job in the networking industry. This Devops Interview Questions and answers are prepared by DevOps Professionals based on MNC Companies expectation. Stay tuned we will update New DevOps Interview questions with Answers Frequently. If you want to learn Practical DevOps Training then please go through this DevOps Training in Chennai and Devops Training in Bangalore

Best Devops Interview Questions and answers

Besant Technologies supports the students by providing Devops Interview Questions and answers for the job placements and job purposes. DevOps is the leading important course in the present situation because more job openings and the high salary pay for this DevOps and more related jobs. We provide the DevOps online training also for all students around the world through the Gangboard medium. These are top Devops Interview Questions and answers, prepared by our institute experienced trainers.

Devops Interview Questions and answers for the job placements

Here is the list of most frequently asked Devops Interview Questions and answers in technical interviews. These questions and answers are suitable for both freshers and experienced professionals at any level. The questions are for intermediate to somewhat advanced Devopsprofessionals, but even if you are just a beginner or fresher you should be able to understand the answers and explanations here we give.

These DevOps Interview Questions and Answers will guide you to clear the following Certifications

  • DevOps Foundation
  • DevOps Leader(DOL)
  • DevOps Test Engineering(DTE)

Q1.What is Infrastructure as Code?

Q2.What are the areas the Version control can introduce to get efficient DevOps practice?

Q3.Why the Opensource tools boost DevOps?

Q4.What is the difference between Ansible and chef(or) puppet?

Q5.What is folder structure of roles in ansible?

Q6. What is Jinja2 templating in ansible playbooks and their use?

Q7. What is the need for organizing playbooks as the role, is it necessary?

Q8.What is main disadvantage of Docker containers?

Q9. What are docker engine and docker compose?

Q10. What are the Different modes does a container can be run?

Q11. What the output of docker inspect command will be?

Q12.What is the command can be used to check the resource utilization by docker containers?

Q13.What is the major difference between Continuos deployment and continuos delivery?

Q14.How to execute some task (or) play on localhost only while executing playbooks on different hosts on an ansible?

Q15. What is the difference between set_fact and vars in ansible?

Q16. What is the lookup in ansible and what are lookup plugins supported by ansible?

Q17. How can you delete the docker images stored on your local machine and how can you do it for all the images at once?

Q18. What are the folders in the Jenkins installation and their uses?

Q19. What are the ways to configure Jenkins system?

Q20. What is the role Of HTTP REST API in DevOps?

Q21. What are Microservices, and how they power efficient DevOps practices?

Q22. What are the ways that a pipeline can be created in Jenkins?

Q23. What are the Labels in Jenkins & where it can be utilised?

Q24. What is the use of Blueocean in Jenkins?

Q25. What is the callback plugins in ansible, give some examples of some callback plugins?

Q26. What are the scripting languages can be used in DevOps?

Q27. What is Continuos Monitoring and why monitoring is very critical in DevOps?

Q28. Give some examples of continuos monitoring tools?

Q29. What is docker swarm?

Q30. What are the ways to create Custom Docker images?

Q31. Give some important directives in Dockerfile and an example Dockerfile?

Q32. Give some important Jenkins Plugins

Q33.What is the use of vaults in ansible?

Q34. How does docker make deployments easy ?

Q35. How .NET applications can be built using Jenkins?

Q36. How can you make a High available Jenkins master-master solution without using any Jenkins plugin?

Q37. Give the structure of Jenkins file?

Q38. What are the uses of integrating cloud with DevOps?

Q39. What is Orchestration of containers and what are the different tools used for orchestration?

Q40. What is ansible tower?

Q41. What are the programming language applications that can be built by Jenkins?

Q42. Why is every tool in DevOps is mostly has some DSL (Domain Specific Language)?

Q43. What are the clouds can be integrated with Jenkins and what are the use cases?

Q44. What are Docker volumes and what type of volume should be used to achieve persistent storage?

Q45. What are the Artifacts repository can be integrated with Jenkins?

Q46. What are the some of the testing tools that can be integrated with jenkins and mention their plugins?

Q47. What are the build triggers available in Jenkins?

Q48. How to Version control Docker images?

Q49. What is the use of Timestamper plugin in Jenkins?

Q50.Why should you not execute a build on master?

Q51. Why devops?

Q52. Why Ansible?

Q53. Why do you think a Version control system is necessary for devops team?

Q54. What role would you prefer to be in Devops team?

Q55. Architecture Monitoring Team

Q56. Suppose you are put in to a project where you have to implement devops culture, what will be your approach?

Q57. Whether continuous deployment is possible practically?

Q58. What is Agility in devops basically?

Q59. Why scripting using Bash, Python or any other language is a must for a DevOps team?

Q60. In AWS, how do you implement high availability of websites?

Q61.How to debug inside a docker container ?

Q62.What do you mean by Docker Engine ?

Q63.Why we need Docker?

Q64.What do you mean by Docker daemon ?

Q65.What do you mean by Docker client ?

Q66.what do you mean by Docker Hub Registry ?

Q67.How do you install docker on a debian Linux OS ?

Q68.What access does docker group have ?

Q69.How to list the packages installed in Ubuntu container ?

Q70.How can we check status of the latest running container?

Q71.How to Stop a container ?

Q72.How to list the stopped containers ?

Q73.What do you mean by docker image?

Q74.What is the differences between containers and images

Q75.How to do changes in a docker image?

Q76.Different ways to create new images ?

Q77.Where do you store and manage images?

Q78.How do we download the images ?

Q79. What are Image tags ?

Q80.What is a Dockerfile. ?

Q81.How to build a docker file ?

Q82.How to view hostory of a docker image ?

Q83.What are CMD and ENTRYPOINT ?

Q84.EXPOSE instruction is used for ?

Q85.What is Ansible?

Q86.Why to choose Ansible?

Q87.What are ansibe modules ?

Q88.What are Ansible Tasks ?

Q89.What are Handlers in ansible ?

Q90.What are Roles in ansible ?

Q91.What is YAML ?

Q92.What are Playbooks ?

Q93.What is MAVEN ?

Q94.What do you mean by validate in maven ?

Q95.What do you mean by compile in maven?

Q96.What do you mean by test in maven ?

Q97.What do you mean by package in maven ?

Q98.What is docker compose ?

Q99.What is Continuous integration ?

Q100. What is Continuous delivery ?

Q101.What is Continuous deployment ?

Q102.What is git ?

Q103.What is git commit ?

Q104.what is git push ?

Q105.What's git fetch ?

Q106.What is git pull ?

Q107.How to reset the Last git Commit ?

Q108.What is the need for DevOps ?

Q109. Write the key components of DevOps?

Q110. What are the various tools used in DevOps ?

Q111. What is Version Control?

Q112. What are the types of Version Control Systems?

Q113. What is jenkins?In jenkins, what is the programming language should be used?

Q114. Give an explanation about DevOps.

Q115. What are the key Principles or Aspects behind DevOps?

Q116. Describe the core operations of DevOps with Infrastructure and with application.

Q117. How “Infrastructure code” is processed or executed in AWS?

Q118. Which scripting language is most important for a DevOps engineer?

Q119. How DevOps helps developers?

Q120. Which are popular tools for DevOps?

Q121. What is the usefulness of SSH?

Q122. How you would handle revision (version) control?

Q123. How many types of Http requests are?

Q124.If a Linux-build-server suddenly starts getting slow what will you check?

Q125. Describe the key components of DevOps.

Q126. Give example of some popular cloud platform used for DevOps Implementation.

Q127. Describe benefits of using Version Control system.

Q128. How Git Bisect helps?

Q129. What is the build?

Q130. What is Puppet?

Q131.What is two-factor authentication?

Q132. What is ‘Canary Release’?

Q133.What are the important types of testing required to ensure new service is ready for production?

Q134. What is Vagrant?

Q135. Usefulness of PTR in DNS.

Q136. What is Chef?

Q137. Prerequisites for the implementation of DevOps.

Q138. For DevOps success which are the best practices?

Q139. How SubGit tool helps?

Q140. Name some of the prominent network monitoring tools.

Q141. How do you know if your video card can run Unity?

Q142. How to enable startup sound in Ubuntu?

Q143. Which is the fastest way to open an Ubuntu terminal in a particular directory?

Q144. How could you get the current colour of the current screen on the Ubuntu desktop?

Q145. How can you create launchers on a desktop in Ubuntu?

Q146. Explain what Memcached is?

Q147. Mention some important features of Memcached?

Q148. Is it possible to share a single instance of a Memcache between multiple projects?

Q149. You are having multiple Memcache servers, one of the memcache servers fails, and it has your data, can you recover key data from the perticular failed server?

Q150. How can you minimize the Memcached server outages?

Q151. How can you update Memcached when data changes?

Q152. What is Dogpile effect? What is the prevention of this effect?

Q153. How Memcached should not be used?

Q154. When a server gets shut down does data stored in Memcached is still available?

Q155. What are the difference between Memcache and Memcached?

Q156. Explain Blue/Green Deployment Pattern

Q157. What are the containers?

Q158. What is post mortem meeting with reference to DevOps?

Q159. What is the easiest method to build a small cloud?

Q160. Name two tools you can use for docker networking.

Q161. Name some of DevOps Implementation area

Q162. What is CBD’?

Q163. Explain Pair Programming with reference to DevOps

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