40 Interview Questions to Ask a DevOps Engineer

When collaborating with a stakeholder whose technical knowledge is limited, how do you ensure they understand the task or data you’re presenting them with. Here you’ll get an idea of how deeply the candidate understands the DevOps engineer role, and how well they’ll fit into your team. Demonstrates the candidate’s experience and approach to career-development. Regression testing assesses how an application behaves after a new change has been implemented. It should be performed between integration testing and user testing. The canary deployment pattern is a deployment strategy that aims to minimize the impact of potential defects in a new software release.

• Most cloud solutions either have their own centralized logging solutions that contain one or more of the aforementioned products or tie them into their existing infrastructure.
• DevOps engineers often have extensive backgrounds in IT operations, systems administration, software development, scripting, automation, and cloud computing skills.
• The infrastructure as code concept can be implemented at various stages of the DevOps lifecycle—version control, continuous integration, and automated testing—by writing code.
• A build is a process in which the source code is put collectively to examine whether it operates as a single unit.
• DevOps can be seen as a complementary approach to Agile, as it can help Agile teams to better achieve their goals of delivering software quickly and reliably.

Docker Swarm is a tool that allows IT administrators and developers to create and manage a cluster of swarm nodes within the Docker platform. “include” is used to add a submodule or another file to a playbook. This means a code written once can be added to multiple playbooks. Classes are named blocks in your manifest that configure various functionalities of the node, such as services, files, and packages. These are the features of a node, like its software packages or services.

DevOps Interview Questions for 6 Years Experienced

Git pull, on the other hand, retrieves and updates local branches with the new information from their corresponding remote branches. The development team uses a router or load balancer to target individual routes with the new release. After launch, metrics are collected to evaluate the performance of the update, and a decision is made on whether the release is ready to be rolled out on a larger scale. The blue-green deployment pattern is a deployment strategy that aims to reduce new release risks. It involves running two separate production environments , one for the current production system and the other for staging the new release. Post-mortem meetings are used by DevOps teams typically between the release of a new iteration and the planning stage of the next one.

• By automating processes like testing and deployment, Ansible helps DevOps teams save time, reduce errors, and scale in pace with growing demand.
• This category will include questions that are not related to any particular DevOps stage.
• However, only one among them is LIVE at any given point of time.
• You can also receive email or SMS notifications if something happens.
• The Blue/Green coloring pattern directs the most significant challenges encountered during the automatic deployment method.

In this tool, you can use write scripts that are used to automate processes. A canary release is a pattern which reduces the risk of introducing a new version software into the production environment. It is done by making it available in a controlled manner to a subset of the user. A build is a method in which the source code is put together to check whether it works as a single unit.

What are the prerequisites for the DevOps implementation?

If you have experience with all the above tools then you can say that I have worked on all these tools for developing good quality software and deploying those softwares easily, frequently, and reliably. In the DevOps Interview Questions article, I have listed dozens of possible questions that interviewers ask potential DevOps hires. This list has been crafted based on the know-how of Edureka instructors who are industry experts https://remotemode.net/ and the experiences of nearly 30,000 Edureka DevOps learners from 60 countries. This interview question allows you to understand how your candidate views themself and how other people they’ve worked with in the past view them too. You can also ask follow-up questions to dig deeper and get more insight into who they are as a person. With their answer, your candidate should display prioritization and multi-tasking skills.

Helping to automate processes is a sure-fire way to save time and energy in your team, if this is an experience an engineer has had before then they will be a valuable asset in the business. Using role-specific questions and tasks alongside other trusted methods like soft skills assessments and Culture Add tests is the best way to improve your quality of hire. Monitoring is a process of tracking and data collection that helps DevOps teams better understand the current state of their systems. Observability, on the other hand, uses these findings to diagnose problems and actively resolve them through debugging. A git merge creates a new commit from the head branch, whereas a git rebase rewrites the changes of one branch onto another without creating a new commit.

How to open the DevOps job interview

In a distributed configuration, these external applications are other instances of Nagios. Ansible and Puppet are two of the most popular configuration management tools among DevOps engineers. It is a powerful automation platform how to become a devops engineer that transforms infrastructure into code. Chef is a tool for which you write scripts that are used to automate processes. Changes and requests are ticketed through Jira and we manage requests through an internal process.