DevOps Engineer Interview Questions

If you have no prior experience, you can talk about what automation tools are and why they’re important to devops. Most utmost of the companies is using systems entirely hosted on clouds, which can be used via a variety of devices. All of the methods included in this such as communication, logistics, operations, and even automation have been balanced online.

• If you are looking to become a DevOps engineer, there are some skills that you should focus on and develop.
• DevOps monitors and analyzes information that displays the current status of the application.
• Different testing tools allow developers to generate test scripts that can be executed continually without the need for human intervention.
• The point of the interview isn’t to catch the candidate out and expose their weaknesses , but rather to understand the candidate’s strengths, and see if these overlap with what you are looking for.
• Read on for questions that’ll help you learn more about your DevOps Engineer candidates, their experience and their skill set.
• Infrastructure as Code is a type of IT infrastructure that operations teams can use to automatically manage and provision through code, rather than using a manual process.

The assert command determines whether a condition is false or true. To know whether the supplied element is on the page or not, we do the following. The next test step will be performed by the program control, if the condition is true.

Software Development: Theoretical DevOps Interview Questions

Thus, it is best suited for tasks such as alert set-up, notifications for potential threats, log data querying, and quick system auditing. Using Nagios Log server can place all log data at a single location with high availability. Puppet manifests are programs written in the native Puppet language and saved with the .pp extension. As such, any Puppet program that is built to create or manage a target host machine is referred to as a manifest. The configuration details of Puppet nodes and Puppet agents are contained in the Puppet Master. Now run commit again, and merge the present branch with the master branch.

Service visualisation provides access to a virtual representation of the needed testing phases, ensuring its availability and reducing the time spent setting up the test environment. Task branching – In this branching model, every task is implemented in its respective branch. We need to simply look at the task key in the branch name to discover which code implements which task.

What happens when you don’t specify a Resource’s action in Chef

The changes from the central repository are updated in the local repository. The local repository is unchanged, but the central repository how to become a devops engineer is updated. Selenium GRID is a tool that runs multiple test cases against different browsers and machines in parallel.

But because of this focus on optimization, it’s common for DevOps engineers to want to optimize every system and process that they come into contact with. Read up about the company, its management, policies, mottos, and work culture as much as possible before the interview. This will help you not to commit any faux pas during the interview process. Configuration Management or CM is a systematic way of managing the changes made to the software in a way that does not lose its integrity over time. It uses certain policies, procedures, and tools to evaluate the changes. Be aware, the interview won’t focus heavily on all the tools you know. Here’s a blog that will give you more information on the evolution of DevOps.

Tips and tricks for your next interview

Explain your understanding and expertise on both the software development side and the technical operations side of an organization you have worked with in the past. Compared to the previous software development models, confusion about the project is decreased due to increased product quality.

• The number of bugs being reported by the customer also impact the quality of the application.
• A prerequisite for achieving this goal is having the scripts and configuration information that are required to provide an environment stored in a shared, accessible system.
• This is mainly an extension of selenium RC, but it supports all the latest browsers and many platforms.
• Your answer should show that you have a system in place to keep track of all your projects, deadlines and deliverables.
• If the company uses a specific language, such as Ruby or Python, it’s important to mention that you’re familiar with these languages and can apply them to your work.

Application Deployment + Configuration Management + Continuous Delivery Chef – another configuration management tool. Docker – works to ensure a stable environment across all stages of development, from staging to production. DevOps Pipeline can be defined as a set of tools and processes in which both the development team and operations team work together. Now if we look into the flow of DevOps, First when we complete continuous integration. After the continuous delivery, the next step of continuous deployment will be triggered. The connection of all these functions can be defined as a pipeline.

It will hone your knowledge of DevOps methodology and its latest tools. Iterative, incremental, small, and rapid releases of software, along with customer feedback.

For this answer, you can use your past experience and explain how DevOps helped you in your previous job. If you don’t have any such experience, then you can mention the below advantages. Now remember, you have included DevOps tools in your previous answer so be prepared to answer some questions related to that. If you have attended DevOps interviews or have any additional questions you would like answered, please do mention them in our Q&A Forum.