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
- What is Chef?
- What is a Resource in Chef?
- What is a Recipe in Chef?
- What is a Node in Chef?
- How does a Cookbook differ from a Recipe in Chef?
- What is run-list in Chef?
- What is the role of Starter Kit in Chef?
- What are the main benefits of Chef?
- What is the architecture of Chef?
For Answers See here: Chef Interview Questions and Answers
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?
For Answers See here:Nagios Interview Questions and Answers
Puppet Interview Questions
- What is Puppet?
- What is Manifests?
- What is Module and How it is different from Manifest?
- What is Facter?
- What is Puppet Kick?
- What is MCollective?
- Does Puppet runs on windows?
- How should I upgrade Puppet and Facter?
- What is the architecture of Puppet?
- What are the main use cases of Puppet Enterprise?
For Answers See here:Puppet Interview Questions and Answers
Ansible Interview Questions
- What is ansible?
- What Ansible can do?
- How Ansible Works?
- What are the advantages of Ansible?
- What is Ansible Playbooks?
- Do we have any Web Interface/ Rest API etc for this?
- What is Ad-hoc commands in Ansiable?
- How to write an Ansible ad-hoc command?
- How do I submit a change to the documentation in Ansible?
- How do I copy files recursively onto a target host in Ansible?
- How do I generate crypted passwords for the user module in Ansible?
- How do I see the entire inventory vars defined for my host?
- How can you speed up management inside in EC2?
- What is ask_vault_pass in Ansible?
For Answers See here: Ansible Interview Questions and Answers
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