Jul 1st, 2022

Top 30 DevOps Interview Questions & Answers 2024


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DevOps is a career in tech that has a lot of opportunities for skilled professionals. The search trends for the term ‘DevOps’ grow to 34% from 2017 to 2023. 

The rise in demand for DevOps jobs is a corollary to the increasing DevOps adoption rate by companies. While 42% of the organizations are applying DevOps at the project or multiple project level, 23% of the organizations are implementing DevOps at the enterprise level.

If a career in DevOps excites you, then you have to gain certification for that after the completion of DevOps Certification Training. We have designed 30 DevOps Interview Questions that will help you become confident. This list has a mix of beginner, intermediate, and advanced questions to gauge your knowledge.

Here we go!

1. What is DevOps?

DevOps is a combination of technical practices, tools, & cultural philosophies that help in the automation and assimilation of software development and IT services.

2. List the technical and business benefits of DevOps

The technical and business benefits of DevOps are as follows-  Technical Benefits 

  • Faster detection and rectification of errors 
  • Continuous delivery of software 
  • Less complicated problems to handle 

Business Benefits  

  • High-stability functioning environments 
  • Quick delivery of features 
  • Renewed communication and collaboration among teams 

3. How is DevOps different from Agile?



DevOps is a combination of technical practices, tools, and cultural philosophies that help in the automation and assimilation of software development and IT services.  Agile is a time-bound agile project management methodology that follows an iterative approach that builds software in increments from the start till the completion of the project. It breaks down the larger project into phases and then builds the requirements in timeboxed iterations which typically last 2-4 weeks.
DevOps helps in managing end-to-end engineering concepts  Agile helps in managing large complicated projects 
Concentrates on regular testing and delivery  Concentrates on frequent changes 
The fundamental goal is collaboration so no rigid framework  Agile can be applied along with Scrum, SAFe, or a sprint 


4. What does the acronym CAMS mean in DevOps?

The acronym CAMS stands for-

  • C- Culture 
  • A- Automation 
  • M- Measurement 
  • S- Sharing

5. Name some of the DevOps tools

Some of the Popular DevOps tools are-

  • Selenium 
  • Jenkins 
  • Docker
  • Nagios 
  • Chef 
  • Git 
  • Maven 
  • Ansible 

6. What is the meaning of the term ‘Continuous Integration’?

Continuous Integration is the practice of automating the merge of code changes from numerous developers into a single repository.

In the DevOps context, it improves the software quality, delivery time, and detection of bugs in the primary stages of development. 

7. What are the key components of DevOps?

The key components of DevOps are-

  • Continuous Development 
  • Continuous Integration 
  • Continuous testing 
  • Continuous Deployment 
  • Continuous Monitoring
  • Continuous Feedback 
  • Continuous Operations

8. Describe Git Bisect

Git Bisect assists you in finding the commit that introduced a bug using binary search.

9. What are the three main KPIs in DevOps?

The three main KPIs in DevOps-

  • Meantime to failure recovery- The average time taken to recover from failure 
  • Deployment frequency- The frequency at which the deployment occurs 
  • Percentage of failed deployments- The number of times a deployment fails 

10. List the different phases of development in DevOps

The different phases of development in DevOps are-

  • Plan- There needs to be a plan for the type of application that needs to be developed. 
  • Code- The application coding is written as per the requirements of the final customer
  • Build- Build the application by merging the codes done by the previous steps 
  • Test- Test to see if there are any defects and solve defects that happen. Rebuild the application as necessary.
  • Integrate- Numerous codes by different developers are merged into one 
  • Deploy- Deployment of the code is done in a cloud environment. This is done to make sure that a high-traffic website isn’t affected.
  • Operations- If code needs to be operated then the operation is performed
  • Monitor- Application performance is under surveillance. Changes are done to satisfy the user's requirements.

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11. Define Continuous Testing

Continuous Testing in DevOps development lifecycle is testing at every stage of the

12. What are the advantages of using Git?

Using Git has the following advantages-

  • Helps in data replication and identifying redundancy 
  • It is easily available 
  • It endorses collaboration 
  • Useful for numerous projects 
  • Makes use of only one Git directory per repository
  • Assists disk utilization 
  • Optimum work performance 

13. Mention the anti-patterns in DevOps

A pattern followed by organizations owing to herd mentality just because it is in vogue without any rationale is called Anti-pattern. Here are some of the antipatterns in DevOps- 

  • DevOps isn’t a culture but a process
  • DevOps and Agile are the same
  • DevOps is distinct hence there should be a separate group 
  • DevOps is the answer to every problem 
  • DevOps is synonymous with developers 
  • DevOps is based on a development driven approach 
  • DevOps isn’t for development 
  • We are different from other organizations and hence DevOps isn’t required 
  • We lack the human capital to implement the DevOps culture

14. What does the term ‘Canary Release’ mean?

Canary Release is a type of pattern that minimizes the risk of introducing a new version of software into the production environment. It is done by releasing the software to a smaller group of audience for testing before the larger release.

15. What is the list of prerequisites required to implement DevOps?

Implementing DevOps requires the below-mentioned prerequisites- 

  • Minimum one version of Version control 
  • Linear communication between team members
  • Automated testing 
  • Automated deployment

16. Explain the difference between Continuous Delivery and Continuous Deployment

Here is the difference between Continuous Delivery and Continuous Deployment- Continuous Delivery 

  • Makes sure the code can safely be deployed to production 
  • Sees to it that the business application and services functioning isn’t hampered 
  • Guarantees every change to production similar environment with the help of automated testing 

Continuous Deployment 

  • All changes that pass the automated tests is moved to the production environment 
  • The software development life cycle is swifter and the release is on time 
  • No requirement of precise approval from a developer and requires round-the-clock monitoring

17. What is CBD?

CBD is short for Component-based Development is a special approach to product development. This method helps developers to search for current tested, all-round, and verified components code that saves the developers time from creating the code from the beginning.

18. What is Resilience Testing?

Resilience Testing is a software development process that tests an application to assess its behavior in an uncontrolled and unpredictable environment. It seems to it that the data and functionality is not lost in case of failure.

19. What is Version Control?

Version Control is the practice of tracking and managing changes to software code.

20. What are the principles of DevOps?

The principles of DevOps are-

  • Infrastructure as code 
  • Continuous Deployment 
  • Automation 
  • Monitoring
  • Security

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21. Define Pair Programming

Pair Programming is an agile technique where two programmers work together in one workplace. One is an observer while the other is a driver, both continuously track  the project progress.

22. List the different types of HTTP requests

The different types of HTTP requests-

  • GET
  • HEAD
  • POST
  • PUT

23. What is a Build?

A Build is a method wherein a source code is assembled together to check if it works as a solo unit. During the build creation process, the source code will go through compilation, inspection, testing, and deployment.

24. What is the use of configuration management in DevOps?

Configuration Management is a systems engineering process for building consistency for a product’s traits throughout its life.

25. Why is Selenium used in DevOps?

Selenium testing is used in DevOps for continuous testing. It supports functional and regression testing.

26. Define Containers

A container image is a lightweight, independent, executable package of a piece of software that includes everything needed to run it: code, runtime, system tools, system libraries, and settings.

27. What is the meaning of two-factor authentication?

Two-factor authentication is a security method where the user provides two ways of identification from separate categories.

28. What is a Vagrant?

A vagrant is a tool that can build and take care of virtualized environments for testing and developing software.

29. What are Post Mortem's meetings?

Post Mortem meetings are meetings that happen at the end of the project. It is conducted to discuss the failures, obstacles, and solutions to avoid them in the future. It is a critical assessment and review of a recently concluded project.

30. What is Forking Workflow?

Forking Workflow is an open-source project enabler that provides service-side repositories to support the same.  

The Global DevOps Market size was estimated at USD 4,311.95 million in 2020, and was expected to reach USD 5,114.57 million in 2021. At a compound annual growth rate of 18.95% it is estimated to reach USD 12,215.54 million by 2026.


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