Most Asked DevOps Interview Questions
Here we have compiled the most probable DevOps interview questions asked in the industry. You will learn about software version control, Git repository, reverting a commit in Git, Vagrant, continuous testing elements, and the importance of continuous integration, testing, and deployment. These questions are curated after discussing with many interviewers and DevOps Training experts.
DevOps Tools
Interview Questions
41. What is git Is-tree?
The command ‘git Is-tree’ is used to represent a tree object including the mode, the name of each item and the SHA-1 value of the blob or the tree.
42. How is git instaweb used?
‘Git Instaweb’ browse your local repository to gitweb, which is a GUI.
43. What does ‘hooks’ consist of in git?
Git hooks are nothing but scripts which triggers before or after running the Git commands. For example, a post-commit script will execute after you run a git commit command.
44. Explain what is a commit message?
Commit message actually has the reason for that particular commit. Which appears when you commit a change. Git provides a text editor where you can enter the reason for your commits.
45. How can you fix a broken commit?
To fix any broken commit, you will use the command "git commit --amend
. By running this command, you can fix the broken commit message in the editor then save and quit.
46. What is a ‘Bare Repository’ in GIT?
To coordinate with the distributed development and developers team, especially when you are working on a project from multiple computers, 'Bare Repository’ is used. A bare repository comprises a version of the history of your code.
47. Name a few Git repository hosting services?
Pika Code, Visual Studio, GitHub, Git Enterprise, SourceForge.net
48. Difference between Git & Github?
Git: it is a distributed version control system (DVCS) used to track your source code changes during software development. Git is Lightning speed, Light weight, Open Source and supports distributed, non-linear workflows.
GitHub: It is a cloud service to provide a Web-based GUI to browse & manage git repositories.
49. What are the benefits of using the Version Control System?
Each and every commit you made is logged with a commit message.
All the team members can work on any file at any time and can commit their changes to the version control system (VCS).
Each change you commit is saved separately and can be reverted to whichever commit you require.
Stores details information in the commit object regarding commit like, TIme stamp, content, commit message, and user details.
50. What is the difference between git pull and git fetch?
Git Pull "git pull URL" pulls new changes/commits from your Remote repository to your local Repository.
Git Fetch "git fetch" pulls all new changes/commits histories but not content from remote repository to local repository. If you want those changes in your local repository, you need to "git merge". Then only your local repo will get updated.
Git pull = git fetch + git merge.
