DevOps Interview Questions

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Welcome to the DevOps Interview Questions repository! This repository contains a comprehensive list of questions that can help you prepare for DevOps interviews. The questions cover a wide range of topics, including popular DevOps tools, methodologies, and cloud computing.

Table of Contents

  1. Popular DevOps Tools
  2. Benefits of DevOps
  3. Typical DevOps Workflow
  4. DevOps with AWS
  5. Automation with Git
  6. AWS OpsWorks Stacks
  7. AWS CloudFormation
  8. CI/CD in DevOps
  9. Best Practices of CI
  10. Jenkins Security Options
  11. Chef Benefits and Architecture
  12. Ansible Benefits and Use Cases
  13. Docker Hub
  14. Favorite Scripting Language
  15. Multi-Factor Authentication
  16. Nagios Features and Benefits
  17. Puppet Overview
  18. Kubernetes Overview
  19. Automated Testing in DevOps
  20. Chaos Monkey in DevOps
  21. Test Automation in DevOps
  22. AWS Services Used
  23. GIT vs. CVS
  24. Containers vs. VMs
  25. Serverless Architecture
  26. DevOps Principles
  27. REST Services
  28. Three Ways of DevOps
  29. Secure DevOps Principles
  30. Self-Testing Code
  31. Deployment Pipeline
  32. Docker Commands and Features
  33. Cloud Computing Questions
  34. Unix Questions

Popular DevOps Tools

  • Question: What are the popular DevOps tools that you use?

Benefits of DevOps

  • Question: What are the main benefits of DevOps?

Typical DevOps Workflow

  • Question: What is the typical DevOps workflow you use in your organization?

DevOps with AWS

  • Question: How do you take a DevOps approach with Amazon Web Services?

Automation with Git

  • Question: How will you run a script automatically when a developer commits a change into GIT?

AWS OpsWorks Stacks

  • Question: What are the main features of AWS OpsWorks Stacks?

AWS CloudFormation

  • Question: How does CloudFormation work in AWS?

CI/CD in DevOps

  • Question: What is CI/CD in DevOps?

Best Practices of CI

  • Question: What are the best practices of Continuous Integration (CI)?

Jenkins Security Options

  • Question: What are the options for security in Jenkins?

Chef Benefits and Architecture

  • Question: What are the main benefits of Chef?
  • Question: What is the architecture of Chef?
  • Question: What is a Recipe in Chef?

Ansible Benefits and Use Cases

  • Question: What are the main benefits of Ansible?
  • Question: What are the main use cases of Ansible?

Docker Hub

  • Question: What is Docker Hub?

Favorite Scripting Language

  • Question: What is your favorite scripting language for DevOps?

Multi-Factor Authentication

  • Question: What is Multi-factor authentication?

Nagios Features and Benefits

  • Question: What are the main benefits of Nagios?
  • Question: What is State Stalking in Nagios?
  • Question: What are the main features of Nagios?

Puppet Overview

  • Question: What is Puppet?
  • Question: What is the architecture of Puppet?
  • Question: What are the main use cases of Puppet Enterprise?

Kubernetes Overview

  • Question: What is the use of Kubernetes?
  • Question: What is the architecture of Kubernetes?
  • Question: How does Kubernetes provide high availability of applications in a Cluster?

Automated Testing in DevOps

  • Question: Why is Automated Testing a must requirement for DevOps?

Chaos Monkey in DevOps

  • Question: What is Chaos Monkey in DevOps?

Test Automation in DevOps

  • Question: How do you perform Test Automation in DevOps?

AWS Services Used

  • Question: What are the main services of AWS that you have used?

GIT vs. CVS

  • Question: Why is GIT considered better than CVS for version control system?

Containers vs. VMs

  • Question: What is the difference between a Container and a Virtual Machine?

Serverless Architecture

  • Question: What is Serverless architecture?

DevOps Principles

  • Question: What are the main principles of DevOps?

REST Services

  • Question: What is a REST service?

Three Ways of DevOps

  • Question: What are the Three Ways of DevOps?

Secure DevOps Principles

  • Question: How do you apply DevOps principles to make the system secure?

Self-Testing Code

  • Question: What is Self-testing Code?

Deployment Pipeline

  • Question: What is a Deployment Pipeline?

Docker Commands and Features

  • Question: What are the main features of Docker Hub?
  • Question: What are the security benefits of using a Container based system?
  • Question: How many heads can you create in a GIT repository?
  • Question: What is a Passive check in Nagios?
  • Question: What is a Docker container?
  • Question: How will you remove an image from Docker?
  • Question: What are the common use cases of Docker?
  • Question: Can we lose our data when a Docker Container exits?

Cloud Computing Questions

  • Question: What are the benefits of Cloud Computing?
  • Question: What is On-demand computing in Cloud Computing?
  • Question: What are the different layers of Cloud computing?
  • Question: What resources are provided by Infrastructure as a Service (IAAS) provider?

Unix Questions

  • Question: How will you remove all files in the current directory, including the files that are two levels down in a sub-directory?
  • Question: What is the difference between the –v and –x options in Bash shell scripts?
  • Question: What is a Filter in Unix command?

And many more questions...

Full Question List

For the complete list of questions, refer to the DevOps Interview Questions PDF.