Lead Devops Engineer Interview Questions

151 lead devops engineer interview questions shared by candidates

1. About the projects and technologies I'm working and few questions related to that 2. Tools we are using in CI/CD pipeline 3. Current Architecture of the Project 4. 10 docker commands 5. command to start a service in docker which would run in one port in docker and another different port in machine 6. Ansible Architecture & SSH protocol 7. Consider a file called abc.txt having contents as - A,5 B,3 C,2 A,7 D,8 E,9 A,4 Write a program which will take an alphabet as input and give the sum of all digits associated with it For e.g. if user inputs A, output will be (5+7+4) = 16 8. Imagine I have 50 GB space out of which a file /.log/abc.log consumes 40 GB, how will we tackle the situation 9. What the commands do - xargs, zcat, tee, lsof + L1, lsof -i:6045, lsblk, blkid 10. Waterfall vs Agile 11. Assume I have a code of 100 lines in GIT which I have cloned to local repo, then I have added another 20 lines in it, before pushing my changes to remote repo, already someone added another 60 lines on top of existing 100 lines in remote, how to tackle the situation without doing push, pull or commit 12. Assume I have a file in one server and copied the same file in another server and modified the file, how to compare the two files without using scp command 13. Reactive Parameter in Jenkins 14. Roles in Jenkins 15. VPC in AWS, how to run security patches in private subnet 16. Application LB vs Network LB vs Classic LB - when to use which one 17. How to migrate existing application in AWS EC2 Instance 18. In case a DNS is not reachable, how shall we troubleshoot
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Lead DevOps Engineer

Interviewed at Sigmoid

4
Sep 9, 2019

1. About the projects and technologies I'm working and few questions related to that 2. Tools we are using in CI/CD pipeline 3. Current Architecture of the Project 4. 10 docker commands 5. command to start a service in docker which would run in one port in docker and another different port in machine 6. Ansible Architecture & SSH protocol 7. Consider a file called abc.txt having contents as - A,5 B,3 C,2 A,7 D,8 E,9 A,4 Write a program which will take an alphabet as input and give the sum of all digits associated with it For e.g. if user inputs A, output will be (5+7+4) = 16 8. Imagine I have 50 GB space out of which a file /.log/abc.log consumes 40 GB, how will we tackle the situation 9. What the commands do - xargs, zcat, tee, lsof + L1, lsof -i:6045, lsblk, blkid 10. Waterfall vs Agile 11. Assume I have a code of 100 lines in GIT which I have cloned to local repo, then I have added another 20 lines in it, before pushing my changes to remote repo, already someone added another 60 lines on top of existing 100 lines in remote, how to tackle the situation without doing push, pull or commit 12. Assume I have a file in one server and copied the same file in another server and modified the file, how to compare the two files without using scp command 13. Reactive Parameter in Jenkins 14. Roles in Jenkins 15. VPC in AWS, how to run security patches in private subnet 16. Application LB vs Network LB vs Classic LB - when to use which one 17. How to migrate existing application in AWS EC2 Instance 18. In case a DNS is not reachable, how shall we troubleshoot

Asked question about DevOps best practices, Infrastructure Automation, Agile Process, Change Management, tools like Puppet, Chef and Ansible, with languages Python, Ruby. Public Cloud and Private Cloud working difficulties, differences.
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DevOps Lead Engineer

Interviewed at Salesforce

4.1
Nov 13, 2018

Asked question about DevOps best practices, Infrastructure Automation, Agile Process, Change Management, tools like Puppet, Chef and Ansible, with languages Python, Ruby. Public Cloud and Private Cloud working difficulties, differences.

They presented me with a situation where I have to do troubleshooting in a monolithic architecture and without high availability. They also presented me with a problem where I had to move files via sftp to a third party.
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Lead DevOps Engineer

Interviewed at Nubank

4.4
Aug 19, 2022

They presented me with a situation where I have to do troubleshooting in a monolithic architecture and without high availability. They also presented me with a problem where I had to move files via sftp to a third party.

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