Top Interview Questions for DevOps Role in 2022

Hey folks, Let us see a compilation of frequently asked interview questions that recently came in DevOps Engineer interviews. 

This will boost confidence and maximize your chances of getting to your dream DevOps position. Please feel free to share your feedback in the comment section and comment on your interview questions.

[To be updated]

Linux

1.  Explain the booting process in Linux.
2. What is the troubleshooting you have performed in day to day work? Explain a few of them and how you resolved them.
3. How you will resolve if you are unable to ssh to the server?
4. How do you check the running process on a Linux machine? How to kill them.
5. Explain the top command usage and options in detail.
6. What is an inode?
7. What happens to the inode of a file if we delete the file
8. What is the difference between a soft link and a hard link? Commands to create them and usage of the soft links.
9. What is crontab? which commands are used for crontab and explain usage.
10. Lvm, command how to create disk partition.
11. What is a zombie process state?
12. How do you resolve if Jenkins is unable to launch on port 8080? Explain ur troubleshooting techniques.
13. How to run jobs in the background, check the status of the running process, or kill a running process?
14. How can we resolve a hostname internally in Linux?
15. Explain Linux permission.

Terraform

1. What do you understand by Terraform? what is the benefit of terraforming vs ansible?
2. what is IAC?
3. What are the best practices of Terraform?
4. What are terraform modules and workspace?
5. what are the best practices of Terraform?
6. How to manage state files?
7. Usage of for_each
8. what is implicit dependency in terraform?
9. How do you  import resources in terraform?
10. What happens when you type terraform init commands.
11. What is the architecture of terraform?
12. What is the use of provider.tf, output.tf, variable.tf, state file, backend.tf?
13. what is the usage of an alias in terraform?
14. Explain State File Locking?

Ansible

1. What is the architecture of Ansible? How does ansible works?

AWS/Cloud Computing

1. What is the difference between NLB vs ALB?
2. How can we achieve path-based routing?
3. Difference between NaCl and sg?

Docker

1. Difference between CMD & Entrypoint

Kubernetes

1. What is the architecture of Kubernetes?
2. what happens in the backend when you run kubectl get pods command?
3. what is the different troubleshooting you had done in production explain them with approach?
4. Explain PVC and how it is used?
5. Different types of deployment strategies?

CICD pipeline/Jenkins

1. Define the CICD process which you implemented.
2. Explain Jenkins's master-slave architecture

Scripting

1. Write a script to monitor the usage of filesystem size.

Awesome repo with DevOps Questions.

https://github.com/bregman-arie/devops-exercises