DevOps Engineer Interview Questions Asked in TCS Company for 2+ Years of Experience and How You Can Answer Them
Q1)-What is CI-CD
CI/CD stands for Continuous Integration/Continuous Deployment. It is a DevOps practice that helps software development teams automate the process of building, testing, and deploying code changes to production.
Q2)-Have you used Docker with Jenkins?
Yes, I have used Docker with Jenkins for CI/CD pipelines.
Q3)-What is Docker-compose? How you use it & What’s the sequence in which these containers are brought up?
Docker-compose is a tool for defining and running multi-container Docker applications. It allows you to define the services that make up your application in a YAML file and then start and stop all of the services using a single command. The sequence in which containers are brought up depends on the dependencies defined in the Docker-compose file.
Q4-How you use Git. Tell the procedure to pull and push the code from starting what commands you use there?
To use Git, the common procedure is to first initialize a Git repository in your local machine using the command “git init”. Then, you can add files to the repository using “git add [file name]”. Next, you can commit the changes using “git commit -m [commit message]”. To pull code from a remote repository, use the command “git pull [remote repository URL]”. To push code to a remote repository, use the command “git push [remote repository URL] [branch name]”.
Q5-Beside AWS what other clouds technologies you’ve worked on?
I have worked on Microsoft Azure and Google Cloud Platform besides AWS.
Q6-What are different types of controllers in Kubernetes?
In Kubernetes, there are different types of controllers, including Replication Controller, Deployment, StatefulSet, and DaemonSet.
Q7-Did you add probes to your pods? What’s sidecars and in it ?
Yes, I have added probes to my pods. Sidecars are containers that run alongside the main container in a pod, while init containers run before the main container and are used to perform setup tasks.
Q8-What is auto healing in Kubernetes?
Auto healing in Kubernetes refers to the ability of the system to automatically detect and recover from failures, such as the restarting of failed containers.
Q9- what tools you’ve worked on?
I have worked with tools such as Jenkins, Git, Docker, Kubernetes, and Ansible.
Q10-Did you know shell scripting? list some automation commands
Yes, I know shell scripting. Some common automation commands include “echo” to print text, “cd” to change directories, “cp” to copy files, “mkdir” to create directories, and “rm” to remove files.
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