Preparing yourself for joining as a DevOps specialist in a firm? You have reached the right page as we have done our research and brought you some common questions that are generally preferred in a DevOps Interview round.
However, you must have practical knowledge about DevOps before going for the interview round as the recruiter can ask you about practical approach as well. You can go through this list of 50+ DevOps Interview Questions to get a fair idea about your preparation and to increase your knowledge.
Without wasting any further time, let us now start with the list of 50+ DevOps Interview Questions that are generally asked by the recruiters:
Q1. What does HTTP stand for?
Ans: HTTP stands for Hypertext Transfer Protocol.
Q2. Name some popular cloud platforms used for DevOps Implementation.
Ans: (a) Amazon Web Services (AWS)
(b) Google Cloud
(c) Microsoft Azure
Q3. What is the full form of YAML?
Ans: Yet Another Markup Language
Q4. How do you kill a container?
Ans: You can use the “docker kill” command to kill a container.
Q5. Name different phases of DevOps.
Ans: The different phases of DevOps include Planning, Development, Continuous Integration, Automated Deployment, Operations and Monitoring.
Q6. When do you use Validate?
Ans: You can use validate to check whether the information entered is correct or not.
Q7. What is the use of SubGit?
Ans: SubGit allows you to move SVN to Git.
Q8. What is the main purpose of Selenium?
Ans: It is used for continuous testing in DevOps.
Q9. What do you understand by Kernel?
Ans: It is the lowest level of easily replaceable software which interfaces with your hardware.
Q10. State any two tools that you can use for Docker networking.
Ans: Kubernetes and Docker swarm are the two tools that you can use for Docker networking.
Q11. How do developers use DevOps?
Ans: DevOps help developers to fix bugs and bring necessary updates and features.
Q12. What advantages does DevOps provide to business?
Ans: DevOps provides you with more stable operating environments, faster delivery of features and it gives you time for adding product value.
Q13. What are the prominent monitoring tools?
Ans: Wireshark, OpenNMS, Icinga2, Splunk, and Nagios are the prominent monitoring tools.
Q14. Name different types of HTTP requests.
Ans: GET, POST, HEAD, DELETE, OPTIONS, PUT, PATCH, TRACE, and CONNECT.
Q15. Name some of the important components of DevOps.
Ans: Continuous Integration, Continuous Delivery, Continuous Monitoring and Continuous Testing are the important components of DevOps.
Q16. How do you stop the container?
Ans: You can do so with the help of “docker stop” command.
Q17. What do you mean by Puppet?
Ans: It is a project management tool which helps you to automatically convert the administration tasks.
Q18. What does the test in maven stand for?
Ans: It is used in testing the source code using a suitable testing framework.
Q19. Name some important Jenkins Plugins.
Ans: SSH slaves plugin, Github plugin, Pipeline plugin, Greenball plugin, and Docker publish plugin.
Q20. What do you understand by the term git?
Ans: It is a source code version management system.
Q21. How can you use git push?
Ans: Git push can be used to update the changes to the remote repository on the internet.
Q22. What is the use of git pull?
Ans: It will download files from the remote repo and merge them with your local files.
Q23. Explain docker-compose.
Ans: Docker-compose is used for defining and running a multi-container application.
Q24. How can you reset a git commit?
Ans: “git reset” command can be used for this purpose.
Q25. Name some of the popular tools of DevOps.
Ans: Chef, Git, Jira, Puppet, Nagios and Docker.
Q26. Which command can be used to integrate changes from one branch to another?
Ans: Git rebase can be used in such a scenario.
Q27. What are the categories of Ansible in DevOps?
Ans: Controlling machines and nodes are the two categories of Ansible in DevOps.
Q28. Which file name is used to define dependency in Maven?
Ans: Pom.xml
Q29. What is the use of PTR in DNS?
Ans: PTR stands for point record and it can be used to reverse the DNS lookup.
Q30. Is size() a WebElement method?
Ans: No, size() is not a WebElement method.
Q31. What do you mean by Ansible work?
Ans: Ansible work is an automation open tool that is used in DevOps.
Q32. What is the use of ‘{{}}’ in DevOps?
Ans: It is used in case there is no conditional statement.
Q33. Which command you can use to run the Jenkin?
Ans: java-jar Jenkins.war
Q34. What is the full form of KPI?
Ans: KPI stands for Key Performance Indicators.
Q35. What is the full form of VCS?
Ans: VCS stands for Virtual Control System
Q36. Which command can be used to delete the docker images stored on your local machine?
Ans: The command docker rmi <image-id> can be used for such a purpose.
Q37. What do you understand by Docker Engine?
Ans: Docker Engine is an open source controller build and management tool.
Q38. When do you use the Expose command?
Ans: It is used to publish ports of a docker container.
Q39. What do you mean by Roles?
Ans: Roles are reusable tasks or handlers used in Ansible.
Q40. What do you mean by Asset Management?
Ans: Asset Management refers to the process of monitoring and maintaining things of value to an entity or group.
Q41. How is continuous testing helpful?
Ans: Continuous testing allows any change made in the code to be tested immediately.
Q42. When do you use Assert command?
Ans: Assert command is helpful in checking whether a given condition is true or not.
Q43. Can you get access to text of a web element?
Ans: Yes, we can retrieve the text of a specified web element with the help of Get command.
Q44. Is sendKeys() a WebElement method?
Ans: Yes, sendKeys() is a WebElement method.
Q45. What do you understand by the term compile?
Ans: Compile is used to compile the source code of the project in hand.
Q46. What do you mean by Docker Image?
Ans: It is the source of docker container.
Q46. How can you download an image?
Ans: Image can be downloaded using “docker pull” command.
Q47. How can you share Docker containers having different nodes?
Ans: Docker Swarm can be used to share Docker containers having different nodes.
Q48. What is the meaning of Playbooks?
Ans: Playbooks can be defined as the recipes to ansible.
Q49. How do you build a docker file?
Ans: docker build -t <image_name>
Q50. Can you run multiple containers using a single service?
Ans: Yes, Docker compose can be used to run multiple containers as a single service.
Q51. What is a Dockerfile?
Ans: It is a text document containing all the commands for an image.
We hope that these questions will prove to be helpful in your interview round and you will answer the questions confidently. For more information on interview-related questions, you must stay connected with our website.
