Top 50 DevOps Engineer Interview Questions


DevOps is one of the most popular technology trends. There is a growing demand for DevOps Engineer job in technology companies.
This book contains technical interview questions that an interviewer asks for DevOps Engineer position. Each question is accompanied with an answer so that you can prepare for job interview in short time.
We have compiled this list after attending dozens of technical interviews in top-notch companies like- Airbnb, Netflix, Amazon etc.
Often, these questions and concepts are used in our daily work. But these are most helpful when an Interviewer is trying to test your deep knowledge of DevOps.
Once you go through them in the first pass, mark the questions that you could not answer by yourself. Then, in second pass go through only the difficult questions.
After going through this book 2-3 times, you will be well prepared to face a technical interview for a DevOps Engineer position.

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Sample Questions:

  • What are the popular DevOps tools that you use?
  • What are the main benefits of DevOps?
  • What is the typical DevOps workflow you use in your organization?
  • How do you take DevOps approach with Amazon Web Services?
  • How will you run a script automatically when a developer commits a change into GIT?
  • What are the main features of AWS OpsWorks Stacks?
  • How does CloudFormation work in AWS?
  • What is CICD in DevOps?
  • What are the best practices of Continuous Integration (CI)?
  • What are the benefits of Continuous Integration (CI)?
  • What are the options for security in Jenkins?
  • What are the main benefits of Chef?
  • What is the architecture of Chef?
  • What is a Recipe in Chef?
  • What are the main benefits of Ansible?
  • What are the main use cases of Ansible?
  • What is Docker Hub?
  • What is your favorite scripting language for DevOps?
  • What is Multi-factor authentication?
  • What are the main benefits of Nagios?
  • What is State Stalking in Nagios?
  • What are the main features of Nagios?
  • What is Puppet?
  • What is the architecture of Puppet?
  • What are the main use cases of Puppet Enterprise?
  • What is the use of Kubernetes?
  • What is the architecture of Kubernetes?
  • How does Kubernetes provide high availability of applications in a Cluster?
  • Why Automated Testing is a must requirement for DevOps?
  • What is Chaos Monkey in DevOps?
  • How do you perform Test Automation in DevOps?
  • What are the main services of AWS that you have used?
  • Why GIT is considered better than CVS for version control system?
  • What is the difference between a Container and a Virtual Machine?
  • What is Serverless architecture?
  • What are the main principles of DevOps?
  • Are you more Dev or more Ops?
  • What is a REST service?
  • What are the Three Ways of DevOps?
  • How do you apply DevOps principles to make system Secure?
  • What is Self-testing Code?
  • What is a Deployment Pipeline?
  • What are the main features of Docker Hub?
  • What are the security benefits of using Container based system?
  • How many heads can you create in a GIT repository?
  • What is a Passive check in Nagios?
  • What is a Docker container?
  • How will you remove an image from Docker?
  • What are the common use cases of Docker?
  • Can we lose our data when a Docker Container exits?

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