Top 20 DevOps Interview Questions to Help You Get Hired

Companies are always searching for skilled DevOps engineers who can effectively manage development and operations in today’s fast-moving tech world. Nowadays, this position has become one of the most sought-after in the IT industry due to the rise of automation and cloud DevOps. If you are preparing for this DevOps interview, then it is not simple to crack if you are not aware of the appropriate DevOps interview questions. Whether you are a beginner or preparing for a DevOps certification or Azure DevOps certification, having the right knowledge and practicing DevOps interview questions is very important.

Top 20 DevOps Interview Questions and Answers

In this guide, we will cover the top 20 DevOps interview questions that will help you prepare and improve your chances of getting hired.

Q.1 What is DevOps?

DevOps is a combination of two words, Development (Dev) and Operations (Ops). It is a set of guidelines that enables organizations to deliver products quickly and continuously. DevOps also plays a very crucial role in modern software development, especially in cloud DevOps. A DevOps engineer works with tools and procedures that automate operations, manage infrastructure, and ensure smooth delivery of applications. Understanding this concept is fundamental when preparing for DevOps interview questions because it is often the first question asked.

Many professionals pursue a DevOps or Azure DevOps certification to gain the proficiency in this subject, which helps them understand real-world tools and practices. So, in basic and simple terms, DevOps is used to optimize the software development, testing, deployment, and maintenance processes.

Q.2 Who is DevOps Engineer?

Improving teamwork and automating the whole software development process are the responsibilities of a DevOps engineer. They are important to cloud DevOps, which uses cloud platforms like AWS and Azure for application deployment and management. A DevOps engineer uses different tools and technologies to ensure that applications are delivered quickly and without any errors. Understanding the role of a DevOps engineer is important while preparing for DevOps interview questions and Azure DevOps interview questions, as it is one of the most commonly asked topics in interviews. If you are going for DevOps interview, then having a knowledge about what DevOps engineer does is very essential so that you can confidently give the answer if they ask any questions related to role-based DevOps interview questions.

Q.3 What is CI?

CI stands for Continuous Integration. Which is a DevOps practice where developers merge their code changes into a shared repository regularly. After that, automated tools build and test the code to detect errors early. This helps in improving code quality and reducing bugs before deployment. It is an important concept in cloud DevOps. CI is a very common topic in DevOps interview questions, especially for beginners.

A DevOps engineer uses CI tools like GitHub or Jenkins Actions to automate the process of building and testing code. CI is a core part of the DevOps lifecycle and many professionals learn CI concepts while preparing for DevOps certification and Azure DevOps certification.

Q.4 What is CD?

CD stands for Continuous Development (CD).It is a practice where code changes are automatically deployed to the production environment after passing all tests. When we put it simply, then CD makes software delivery process faster and more efficient by automatically delivering tested code to users.CI/CD together form a core concept often asked in DevOps interview questions.

They also use scripting languages like Python for DevOps to automate deployment processes and improve system efficiency. These both concept CI/CD are very important, and these both concepts will help you during your DevOps interview.

Q.5 What are the benefits of DevOps?

DevOps offers many benefits that help organizations, Some of the them are:

• Faster Software Deliver: Faster software delivery is one of the main advantage of DevOps. By using techniques like CI/CD a DevOps engineer can regularly release updates. In Cloud DevOps, where apps are constantly updated on cloud platforms, this is particularly important concept.

• Better Collaboration: Another benefits of DevOps is better collaboration. DevOps Engineer encourages teamwork between developers and operations, that helps to reduce communication gaps and improve productivity.

• Reduced Errors and Improved Quality: DevOps also helps in reducing errors and improve quality. It helps to detect bugs early before deployment by using automated testing. And, this is a key topic in DevOps interview questions and Azure DevOps interview questions.

• Automation of Tasks: Tools and programming such as Python for DevOps are used to automate tasks like testing ,deployment, and monitoring

• Scalability and Flexibility: Additionally, DevOps provides scalability and flexibility. It allows systems to handle more users easily. This is very useful in cloud environments.

These benefits are frequently discussed in DevOps interview questions to test your understanding about DevOps.

Q.6 What coding and scripting skills are required to become a successful DevOps engineer?

To become a successful DevOps engineer, you need a combination of programming and scripting skills that support automation, deployment, and infrastructure management.

Here are following languages, you must learn:

1. Programming Languages: Python, Go(Golang), JavaScript, Java.
2. Scripting: Bash/ Shell Scripting, PowerShell, Ruby.

Many DevOps interview questions also include practical coding or scripting scenarios, so basic knowledge is important. These skills are more important if you are preparing for DevOps certification or Azure DevOps certification, because interviewer can ask the code and command during your DevOps interview ,so having a foundational knowledge about programming and scripting language can increase the chance of selection.

Q.7 What is the difference between DevOps and Agile?

DevOps and Agile are both very important methodologies used in software development. And, it is really important to know them if you are going for a DevOps interview or an Azure DevOps interview. This is most asking and favourite DevOps interview question. A lot of people learn about Agile and DevOps when they prepare for an Azure DevOps certification, because it helps you to learn the Agile and DevOps practices at the time. This is most frequently asked DevOps interview question.

So, here are the main differences between DevOps and Agile:

This comparison is one of the most frequently asked DevOps interview questions.

Q.8 What is Docker?

Docker is one of the most important topics in DevOps interview questions. Interviewers often ask about Docker concepts, commands, and real-world usage. It is an open platform. Docker is a containerization platform that allows developers to package an application along with its dependencies into a container. Docker-related examples are very popular in DevOps interview questions, especially for practical roles.

In simple words, Docker is a tool that helps you run an application anywhere without worrying about setup or system differences. For example, Imagine you are working on a project and you sent to someone, but it doesn’t work on their system, then Docker comes into the picture. Docker solve this problem by packing your application with everything it needs such as code, settings, and tools into one box called a container.

Q.9 What is Kubernetes?

Kubernetes is an open-source container orchestration platform. Kubernetes helps you manage and control multiple Docker container. Managing multiple containers manually can be challenging that’s why we use the Kubernetes.

It works like manager that start container, stops them, scales them, and fixes them if something goes wrong.

Q.10 What is Azure DevOps?

Azure DevOps is a platform provided by Microsoft that helps teams plan, build, test, and deliver software in one place. Azure DevOps is widely used in cloud DevOps to manage cloud-based applications. Let’s understand it with this simple scenario, imagine you are building an app with a team, one person writes code, one tests it, and there is also one team that deploy the application. They are working on different task according to their specialization and Azure DevOps provides one platform where everyone can work together and easily manage the whole process.

Q.11 What is Infrastructure as Code (IaC)?

Infrastructure as Code (IaC) is the practice of managing and creating infrastructure using code instead of manual setup. With IaC, you just write a code once, and it will automatically create the same setup anytime you need it. IaC is a big deal when it comes to DevOps interview questions and Azure DevOps interview questions. It is something that you need to know about if you want to get certified in DevOps certification or Azure DevOps certification.

Q.12 What is Configuration Management?

Configuration Management in DevOps is the process of maintain and managing systems, servers, and software in a consistent and organized way. Configuration Management helps you set up and manage all systems automatically. It ensures that all systems work the same and stay updated without errors.

Q.13 What is Azure DevOps pipeline?

Azure DevOps pipeline is a tool that automatically builds, tests, and deploys your code. It is a most crucial feature of Azure DevOps that supports Continuous Integration (CI) and Continuous Deployment (CD). It is commonly asked topic in DevOps interview certification.

Q.14 What is Jenkins and how is it used?

Jenkins is an open-source automation tool used in DevOps to build, test, and deploy application automatically. It helps teams automate the software development and application delivery process faster. In cloud DevOps, Jenkins helps to Automate CI/CD pipelines and reduce manual work. It also includes scripts written in Python for DevOps to automate tasks. Jenkins and Docker both are most important tools asked in DevOps interview questions and Azure DevOps interview question.

Q.15 What are Microservices?

In DevOps, Microservices are a way of breaking big application into small, independent services. DevOps manager manages these services. Each service work separately but together they form a complete application.

Q.16 Let me know the name of three important DevOps KPIs

KPIs stands for Key Performance Indicators. These are the metrics used to measure how efficiently a DevOps engineer and team are delivering software, especially in cloud DevOps environments.

Here are three important DevOps KPIs:

Q.17 What is cherry-pick command in git?

The git cherry-pick command is used to select a commit from one branch. It means if you have many changes in branch, but you only want one specific change, then by using that cherry-pick command, you can easily copy that one change and apply to it another branch. In DevOps interview questions, the git cherry-pick command is most important.

Q.18 What is Ansible?

Ansible is an open-source IT automation tool used for configuration management, application deployment, and task automation. It is developed by Red hat. It helps teams manage systems easily without doing everything manually.

Let’s take an example to understand it in better way, So, if you want to install one software in 15 computers then you will do manually one by one, right? But, Ansible allow you to do it automatically in one step you just have to write the playbook or instructions.

DevOps engineer creates a file where they write steps like:

• Install software
• Update system
• Start service

And, Once the playbook is ready, you run a single command ansible-playbook install.yml, and Ansible will:

• Connect to all systems
• Follow the same instructions
• Complete the task automatically

This is very useful in cloud DevOps, where managing multiple servers manually is difficult.

Q.19 What is Azure Repos?

Azure Repos is a common topic in DevOps interview questions and Azure DevOps interview questions, mainly for roles involving Git and version control. Azure Repos is a service in Azure DevOps that provides version control for your code. It allows developers and a DevOps engineer to store, manage, and track changes in their code using Git. It is also an important part of Azure DevOps certifications and other DevOps certifications.

Q.20 What is Azure Boards?

Azure Boards is basically a tool used to manage tasks, bugs, and project progress using Agile methods like Kanban  or Scrum. Project tracking tools are also part of modern DevOps interview questions.

Conclusion:

Whether you are preparing for a DevOps certification or an Aure DevOps certification, having a strong foundation in both theoretical concepts and practical tools is very important. These Azure DevOps interview questions and general concepts not only help you crack interview but also build real-world skills required in modern software development environments. In today’s competitive IT industry, preparing with right DevOps interview questions can really help you get a job.

If you want to get a DevOps certification or an Azure DevOps certification you need to know about the ideas behind it and how to use the tools. It is very important to know how to write scripts in languages like Python for DevOps and have experience with automation and deployment tools, this will help you a lot when you go for interview.