26 DevOps Engineer Interview Questions & Answers

The new release becomes live and, once the traffic has been completely transferred, the old production environment becomes idle. The problem is, it’s not easy—according to research from Gartner, 75% of DevOps initiatives in 2022 will https://remotemode.net/ fail. In this pattern, the team has to ensure two identical prod environments but only one of them would be LIVE at a given point of time. Since the blue environment is more steady, the LIVE one is usually the blue environment.

They help to automate the deployment, configuration, and management of servers, making your job much more efficient. If you’re familiar with these tools, it shows that you have some of the technical skills necessary for the how to become a devops engineer role, and you understand the importance of automation in managing complex IT environments. Hiring managers ask this question to gauge your problem-solving skills, technical proficiency, and understanding of automation tools.

Q4. What are Plugins in Nagios?

Our beginner DevOps interview questions are designed for junior or entry-level DevOps engineer roles, where candidates have limited professional experience with the DevOps framework. This ensures that the changes are made properly without development environment errors and also allows the identification of errors at an initial stage. A DevOps engineer is a person who works with both software developers and the IT staff to ensure smooth code releases.

• The new version exists in a green environment and the old version exists in a blue environment.
• Docker facilitates containerization, encapsulating applications and dependencies.
• Both agile methodology and DevOps aim to make the software development process faster, more adaptive, and more efficient.
• Potential employers are keen to find out how you navigate the often tricky waters of team dynamics.
• In DevOps, and the overall software development process, a pattern refers to the path of solving a problem.

This involved checking server logs, error messages, and any recent changes in configuration or updates. Load balancing can also be used to distribute network traffic across multiple servers, preventing any single server from becoming a bottleneck and ensuring high availability and reliability. In another project, I worked on the Google Cloud platform where I used Kubernetes Engine for container orchestration and BigQuery for handling large datasets. Test that ensures recovery without data and functionality loss after a failure is called Resiliency tests. CBD or Component-Based Development is a unique way to approach product development. In this method, developers always look for existing well defined, tested, and verified components to compose and assemble them to a product instead of developing from scratch.

Discuss a challenging situation where you had to automate a critical business process.

Thus, its life would not be dependent on its financial value but will depend on the time till that item becomes obsolete for the organization. In addition, tags can also be used to format and style text, such as headings, links, and images. The use of tags helps to organize and structure the content, making it easier for both users and search engines to understand. For example, a blog post about cooking may have tags such as “recipe,” “food,” “cooking,” and “dinner.” This allows users to search for and find similar posts based on those tags.