Top DevOps Tools Interview Questions

Here are the most commonly asked all DevOps tools Interview Questions for freshers and experienced professionals.

DevOps Interview Questions

How do you take DevOps approach with Amazon Web Services?
What is the typical DevOps workflow you use in your organization?
What are the main benefits of DevOps?
What are the popular DevOps tools that you use?
What are the benefits of Continuous Integration (CI)?
What are the best practices of Continuous Integration (CI)?
What is CICD in DevOps?
How does CloudFormation work in AWS?
What are the main features of AWS OpsWorks Stacks?
How will you run a script automatically when a developer commits a change into GIT?
What are the main use cases of Ansible?
What is Docker Hub?
What is Multi-factor authentication?
What are the main benefits of Nagios?
What are the options for security in Jenkins?
What is a Recipe in Chef?
What are the main benefits of Ansible?
What is Chaos Monkey in DevOps?
How do you perform Test Automation in DevOps?
What is Puppet?
What is the use of Kubernetes?
What is the architecture of Kubernetes?
What are the Three Ways of 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 a REST service?
What is Serverless architecture?
What are the main principles of DevOps?
How does Kubernetes provide high availability of applications in a Cluster?
What is a Deployment Pipeline?
What is Self-testing Code?
What are the common use cases of Docker?
How will you remove an image from Docker?
What is a Docker container?
How many heads can you create in a GIT repository?
What are the security benefits of using Container based system?
What are the main features of Docker Hub?
Can we lose our data when a Docker Container exits?

For Answers :Devops Interview Questions and Answers

Chef Interview Questions

Docker Interview Questions

What is Docker?
What is Docker image?
How is Docker different from other container technologies?
What is Docker Machine?
Why do we use Docker Machine?
What is Docker Hub?
What are the main features of Docker Hub?
What is Docker Entrypoint?
What is Docker Swarm?
What are the features of Docker Swarm?
What are the three main steps of Docker Compose?
What are the common use cases of Docker?
What are the main features of Docker-compose?
What is the most popular use of Docker?
What is the difference between Docker commands: up, run and start?
How will you take backup of Docker container volumes in AWS S3?
What is the basic architecture behind Docker?
Why do we use Docker on top of a virtual machine?
What is Build cache in Docker?
What are the main benefits of using Docker?

For Answers See here: Docker Interview Questions and Answers

GIT Interview Questions

What is GIT?
What is GIT stash?
What is GIT version control?
What is GIT stash drop?
What is GIT protocol?
What is the git clone?
What is git config?
What is a conflict’ in git?
What is git grep?
What is a repository in GIT?
What is the difference between GIT and SVN?
What are the advantages of using GIT?
Why GIT better than Subversion?
Mention some of the best graphical GIT client for LINUX?
What is Subgit? Why to use Subgit?
What is the ‘git checkout’ in git?
What is the ‘git rm’?
What is the ‘git stash apply’?
What is shortlog in GIT?
What is a commit message in GIT?
What are the disadvantages of GIT?
What is a bare repository in GIT?
Why do we use git log command?
What is merge conflict in GIT?
What is Rebasing in GIT?
What is a pull request in GIT?
What is git clone in GIT?

For Answers See here:GIT Interview Questions and Answers

Jenkins Interview Questions

What is Jenkins?
What is continuous integration?
What is the requirement for using Jenkins?
What are the advantages of Jenkins?
How you can move or copy Jenkins from one server to another?
What are the commands you can use to start Jenkins manually?
Mention some of the useful plugins in Jenkin?
How you can deploy a custom build of a core plugin?
How you can setup Jenkins jobs?
How can you clone a Git repository via Jenkins?
Which SCM tools Jenkins supports?
What are the commands you can use to start Jenkins manually?
How will you secure Jenkins?
What are the various ways in which build can be scheduled in Jenkins?

For Answers See here:Jenkins Interview Questions and Answers

Maven Interview Questions

What is Maven?
What are the aspects Maven managing?
What is POM?
What information does POM contain?
What is Maven artifact?
What is Build portability in Maven?
Explain the difference phases in Maven build Lifecycle.
What phases does a Site Lifecycle consist?
Why are Maven Plugins used?
What are the types of Maven Plugins?
What is a system dependency?
What is the result of jar:jar goal in Maven?
What is local repository?
What is Central Repository?
What is Remote Repository?
What is the difference between a Release version and SNAPSHOT version in Maven?
What are the different dependency scopes in Maven?
What is the difference between Inheritance and Multi-module in Maven?
What are the differences between Gradle and Maven?
What are the main advantages of Maven?

Nagios Interview Questions

What is Nagios?
How does Nagios work?
What are the main features of Nagios?
What are Plugins in Nagios?
What is NRPE (Nagios Remote Plugin Executor) in Nagios?
What do you mean by passive check in Nagios?
What is State Stalking in Nagios?
When Does Nagios Check for external commands?
What is the difference between Active and Passive check in Nagios?
How does Nagios help with Distributed Monitoring?
Explain Main Configuration file of Nagios and its location?
What are the three main variables that affect recursion and inheritance in Nagios?
What is meant by saying Nagios is Object Oriented?
What is a Passive check in Nagios?