The Top 12 DevOps Job Interview Questions You Should Know How to Answer

DevOps combines the expertise and functions of operations and development teams. DevOps is a mix of tools that guide complete infrastructure automation. It encourages communication and automation between developers and certain IT operations.

We break down the top 14 DevOps job interview questions you might encounter and share some basic answers to help you prepare.

1. What is the purpose of DevOps?

DevOps automates development and operation processes. It helps organizations develop applications faster and deliver more benefits to end-users with continuous applications.

2. What is the DevOps adoption model?

There are six common components to DevOps adoption:

1. Take a smart approach to automation.
2. Emphasize quality assurance early.
3. Adopt iteratively.
4. Understand and address your unique needs.
5. Make the most of metrics.
6. Embrace a DevOps mindset.

3. What are the key aspects of DevOps?

There are six crucial aspects of DevOps:

1. Automated delivery pipeline
2. Configuration management
3. Regular integration
4. Automated monitoring and health checks
5. The Firefighter role
6. Infrastructure as code

4. What is “infrastructure as code?”

Infrastructure as code is how DevOps professionals manage infrastructure and include products, such as connection topology, load balancers, virtual machines and networks. In short, it’s the use of code instead of manual processes.

5. What is a chef in DevOps?

Chef is a popular configuration management tool used to work with machine setup on servers, virtual machines and in the cloud. Many companies use the open-source cloud configuration software to manage their infrastructure.

6. What is the purpose of Git?

Git is a version control tool, which helps you manage a project and the combination of files as they change over time. It stores this information in a data design known as a repository.

7. How does DevOps help engineers and developers?

DevOps helps software engineers and developers make quicker decisions and complete applications users need. DevOps can help developers get and analyze accurate data.

8. What is one of the most popular scripting languages used in DevOps?

Python is one of the most popular scripting languages among DevOps professionals.

9. What are some common Agile methods used in DevOps?

Some common Agile methods or practices in DevOps include:

1. Test-first programming
2. Regular refactoring
3. Continuous integration
4. Simple design
5. Pair programming
6. Sharing the codebase between programmers
7. A single coding standard for all programmers
8. A common “war-room” style work area

10. What are some common DevOps tools?

DevOps professionals might use Ansible BitBucket, Docker, GitHub, Jenkins, Nagios, Phantom, Sentry or Vagrant.

11. What is the scope for SSH?

SSH, or secure socket shell, is a network protocol restricting access to a computer on an unsecured network. For example, it won’t allow “apt-get install” commands.

DevOps professionals often apply Ansible recipes to provision environments from scratch and can’t provide complete SSH access.

12. What are the benefits of DevOps?

Some technical benefits of DevOps include:

• Software delivery is continuous.
• DevOps reduces the complexity of problems.
• DevOps can be a faster approach to resolving problems.
• DevOps can reduce the number of staff resources required.

Some business or organizational benefits of DevOps include:

• DevOps creates stable operating environments.
• DevOps helps software engineers and IT professionals communicate and collaborate.
• DevOps can help businesses deliver features faster.

This article was written by Balajee Nanduri for HackerNoon and was lightly edited and published with permission.