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Senior DevOps Engineer Interview Questions

Organize A hiring flow you can wrap your head around.Collaborate It’s easy for your whole team to join in.Connect Stand out and show candidates who you are. Discover how to reach out to a recruiter on LinkedIn with our handy guide for software engineers including message examples. Git Bisect helps to find the commit which introduced a bug using binary search. Another popular commercial solution for centralized logging and analysis both on premise and in the cloud is Splunk. Splunk is considered to be very scalable and is also commonly used as Security Information and Event Management system and has advanced table and data model support. It is responsible for ingesting large amounts of data and adding or processing metadata while doing so.

  • There are no gaps while waiting for code to be completed before testing can occur.
  • Jenkinsfile contains the definition of a Jenkins pipeline and is checked into the source control repository.
  • Highlights the candidate’s experience and the extent of their expertise.
  • Containers can be used to provide a consistent computing environment.
  • It focuses on delivering software product faster and lowering the failure rate of releases.

After the broad introduction, you can ask detailed questions about specific parts of the problem or the achievement related to the skills you are looking to hire. In a smaller company, you are likely going to need your DevOps engineer to be hands-on in terms of writing code and bringing software engineering knowledge to the table. That’s all about the most frequently asked DevOps Interview Questions with Answers. The questions in this article will easily help you land your dream DevOps job. If you liked this list of the Top 20 DevOps Interview Questions with Answers, feel free to share it with your friends and family. You can also drop a comment if you have any questions regarding DevOps, and we will get back to you in an instant.

Q6. What is Docker hub?

It also shows interest if you can speak with confidence about the infrastructure details. A self-contained CI server, it supports collaboration between development and operation teams with a shared pipeline and error tracking function. Stratifying the upcoming changes and establishing robust policies will help minimize risks and shorten the timeline for change. Lastly, organizations should apply automation into their process and integrate it with their DevOps software. SCM simplifies tasks for developers as they no longer have to manually manage the configuration processes. This process is now constructed in a machine-readable form and is automatically duplicated and standardized. While writing a BDD test, developers and testers are not interested in the technical details , rather in behavior .

An ideal candidate will be able to name a few blogs, podcasts or sites they check regularly. With their answer, your candidate should display prioritization and multi-tasking skills. Additionally, they should be able to identify tools or techniques to maintain organization.

What are the different Selenium components?

Compared with trunk-based development, Gitflow is more complex and has a higher chance of inducing merge conflicts, which is why it has fallen out of favor among the development community. If the current system or process is so bad that it how to become a devops engineer is causing the business to lose large amounts of money regularly and cannot be salvaged. Asking a Bloom filter use question like this will let you see if they understand how to trade off memory and correctness using this data structure.

devops engineer interview questions

The program execution does not halt regardless of whether the condition is true or not, i.e., all test steps will be completed, and verification failure will not stop the execution. Functional – This is a type of black-box testing in which the test cases are based on the software specification. A build script (ant, maven, shell script, batch file, etc.) that actually does the work. Jenkins can be configured to employ the authentication mechanism that the deployed application server uses. There is a single source of truth for the pipeline, which can be viewed and edited. On request from the Jenkins master, the slaves carry out, builds, test, and produce test reports.

Q1. What is meant by Continuous Integration?

Their answer will let you know why they think they’re right for this position. It’ll also show that your candidate has a strong understanding of what the role will require of them. When you ask this interview question, be sure that you’ve given your candidate a decent introduction to who you are and what your company is all about. Once you’ve done that, you can dig a little deeper and sense if your candidate identifies with your company values. Similar to the previous question, this DevOps Engineer interview question is about understanding who your candidate is and what makes them tick. You’ll want to get a good idea of what they enjoy most about being a DevOps Engineer.

This powerful combo also means it’s particularly tricky to find the right person for your team and the job. This question can help the interviewer determine if you have the skills necessary to succeed in this role. Use your answer to highlight some of the most important skills for a junior devops engineer and explain why they are so important. While continuous delivery aims at producing software that can be released at any time, releases to production are still done manually at someone’s decision.

Q4. What are Plugins in Nagios?

This allows testing under different environments and saving execution time remarkably. We follow the Blue-Green Deployment model, so that any problem which is encountered in the production environment for the new application if detected. The traffic can be immediately redirected to the previous Blue environment, with minimum or no impact on the business. In Blue-Green deployment, the application is not deployed in the same environment. Instead, a new server or environment is created where the new version of the application is deployed.

  • As a tool, Ansible does not have an agent and that precludes the need for any mandatory installations on the nodes.
  • Acceptance testing is the practice of verifying acceptance criteria.
  • Then Git bisect picks a commit between those two endpoints and asks you whether the selected commit is “good” or “bad”.
  • This question will help you assess your candidate’s knowledge and communication skills.
  • CI is a practice in which code versions are continuously integrated into a shared repository.
  • Your answer can also show your problem-solving skills, so it’s important to be honest and specific in your response.