51 Devops Interview Questions And Answers 2024

1.What is DevOps?

2. What is a DevOps Engineer? 

3.What are the Requirements to Become a DevOps Engineer?

4.What do you know about DevOps?

5.How is DevOps different from agile methodology?

 6.Which are some of the most popular DevOps tools?

7.  What are the different phases in DevOps?

8.What is the role of configuration management in DevOps?

9. How does continuous monitoring help you maintain the entire architecture of the system?

10. What is the role of AWS in DevOps?

11. Name three important DevOps KPIs.

12. Explain the term “Infrastructure as Code” (laC) as it relates to configuration management.

13. How is IaC implemented using AWS?

14. Why Has DevOps Gained Prominence over the Last Few Years?

15. What are the fundamental differences between DevOps & Agile?

16. What are the anti-patterns of DevOps?

17. What are the benefits of using version control?branching strategies you have used.

18. Describe the branching strategies you have used.

19. Can you explain the “Shift left to reduce failure” concept in DevOps?

20. What is the Blue/Green Deployment Pattern?

21. What is Continuous Testing?

22. What is Automation Testing?

23. What are the benefits of Automation Testing?

24. How to automate Testing in the DevOps lifecycle?

25. Why is Continuous Testing important for DevOps?

26. What are the key elements of Continuous Testing tools?

27. Explain the difference between a centralized and distributed version control system (VCS).

28. What is the git command that downloads any repository from GitHub to your computer?

29. How do you push a file from your local system to the GitHub repository using Git?

30. How is a bare repository different from the standard way of initializing a Git repository?

31. Which of the following CLI commands can be used to rename files?

32. What is the process for reverting a commit that has already been pushed and made public?

33. Explain the difference between git fetch and git pull.

34. What is Git stash?

35. Explain the concept of branching in Git.

36. What is the difference between Git Merge and Git Rebase?

37. How do you find a list of files that have been changed in a particular commit?

38. What is a merge conflict in Git, and how can it be resolved?

39. What is Git bisect? How can you use it to determine the source of a (regression) bug?

40. Explain some basic Git commands.

41. Explain the master-slave architecture of Jenkins.

42. What is Jenkinsfile?

43. Which of the following commands runs Jenkins from the command line?

44. What concepts are key aspects of the Jenkins pipeline?

45. Which file is used to define dependency in Maven?

46. Explain the two types of pipelines in Jenkins, along with their syntax.

47. How do you create a backup and copy files in Jenkins?

48. How can you copy Jenkins from one server to another?

49. Name three security mechanisms Jenkins uses to authenticate users.

50. How is a custom build of a core plugin deployed?

51. How can you temporarily turn off Jenkins security if the administrative users have locked themselves out of the admin console?

Devops Interview Questions And Answers

1.What is DevOps?

Ans.DevOps is a set of practices that combines software development (Dev) and IT operations (Ops) to improve collaboration and efficiency in delivering software products and services.

2.What is a DevOps Engineer?

Ans.A DevOps Engineer is a professional responsible for combining development and operations skills. They work to streamline the software delivery process, from code development to deployment and maintenance, with a focus on automation, collaboration, and continuous improvement.

3.Requirements to Become a DevOps Engineer:

Ans.

• Proficiency in scripting and programming languages.
• Knowledge of version control systems.
• Understanding of various automation tools.
• Familiarity with cloud platforms.
• Strong communication and collaboration skills.

4.What do you know about DevOps?

Ans.

• DevOps emphasizes collaboration, automation, and continuous improvement throughout the software development lifecycle. It aims to reduce manual interventions, increase deployment frequency, and achieve faster time-to-market.

5.How is DevOps different from agile methodology?

Ans.Agile is a development methodology focusing on iterative development, while DevOps is a set of practices for collaboration between development and operations teams throughout the software delivery lifecycle. While agile focuses on development processes, DevOps covers the entire software delivery pipeline.

6.Popular DevOps Tools:

Ans.Jenkins, Git, Docker, Kubernetes, Ansible, Puppet, Chef, Terraform, Nagios, ELK Stack (Elasticsearch, Logstash, Kibana).

8.Different Phases in DevOps

Ans.Planning, Coding, Building, Testing, Deployment, Monitoring.

9.Role of Configuration Management in DevOps:

Ans.Configuration management ensures consistency and stability in infrastructure by automating the setup and maintenance of servers and environments. It plays a crucial role in achieving a reliable and reproducible deployment process.

10.Continuous Monitoring in DevOps:

Ans.Continuous monitoring involves real-time tracking of application and infrastructure performance. It helps in identifying and resolving issues promptly, ensuring the overall health and stability of the system. Continuous monitoring supports proactive decision-making and enhances the reliability of the entire architecture.