Github

1. What is the command to set a global Git username?

"git config user.name "username"
"git config --global user.name "username"
"git init --user "username"
"git set user.name "username"

2. How can you check the current Git user email?

"git config --global user.email"
"git status email"
"git user.email"
"git config user.email"

3. What command is used to clone a remote repository?

"git remote clone"
"git fetch origin"
"git clone URL"
"git download URL"

4. How do you initialize a new Git repository?

"git init"
"git start"
"git config --init"
"git create"

5. What command adds all changes in the working directory to the staging area?

"git add ."
"git commit all"
"git add all"
"git stage ."

6. What is the command to view the status of your working directory?

"git state"
"git log"
"git status"
"git stage"

7. Which Git area is known as the "staging area"?

Working Directory (WD)
Staging Area (SA)
Commit State (CS)
Remote Repository (RR)

8. How do you commit changes with a message?

"git add -m "message""
"git commit -m "message""
"git log -m "message""
"git push -m "message""

9. Which command is used to push changes to a remote repository?

"git push origin "
"git send origin "
"git pull origin "
"git update origin "

10. How do you view the commit history for a specific file?

"git status "
"git log "
"git history "
"git diff "

11. How do you stash changes with a message?

"git stash -m "message""
"git commit stash "message""
"git log stash "message""
"git save -m "message""

12. Which command deletes a tag?

"git tag remove "
"git delete tag "
"git tag -d "
"git tag drop "

13. What command is used to view all branches?

"git log --branches"
"git show-branch"
"git branch"
"git list-branches"

14. Which command checks out a specific branch?

"git switch "
"git checkout "
"git pull "
"git start "

15. How do you merge two branches?

"git merge "
"git branch merge "
"git combine "
"git join "

16. What is a merge conflict in Git?

A conflict between different file permissions
A situation when two developers push changes at the same time
A conflict that occurs when two different changes are made to the same line in a file
A conflict between Git and a remote repository

17. How do you delete a local branch?

"git branch -d "
"git branch remove "
"git delete "
"git branch -r "

18. Why do we use the "git stash" command?

To temporarily save changes in the working directory without committing
To reset changes in the working directory
To delete untracked files
To apply stashed changes to a new branch

19. What command allows you to amend the last commit?

"git commit --fix"
"git commit --amend"
"git commit --edit"
"git commit --update"

20. How can you apply changes from the stash?

"git stash use"
"git stash apply"
"git stash restore"
"git stash pop"

21. How do you view all stashes in Git?

"git stash log"
"git stash view"
"git stash list"
"git stash show"

22. Which command reverts a previous commit without modifying the working directory?

"git revert"
"git reset hard"
"git reset mixed"
"git commit revert"

23. How do you delete a remote branch?

"git branch --delete "
"git branch -r "
"git push origin --delete "
"git remove branch "

24. What command pushes all tags to the remote repository?

"git push --all-tags"
"git push --tags"
"git push tags"
"git push origin tags"

25. How do you list all tags in a Git repository?

"git show-tags"
"git tag list"
"git list-tags"
"git tag"

26. Why do we use tags in GitHub?

To mark specific points in the repository’s history, often for releases.
To organize issues and pull requests.
To delete branches automatically.
To track changes in real-time.

27. Why do we use a .gitignore file?

To specify files and directories that Git should not track.
To manage permissions for different users.
To automatically commit changes.
To create a backup of files.

28. How can you fork a repository on GitHub?

By clicking the "Fork" button on the repository page.
By cloning the repository and creating a new branch.
By downloading the repository as a zip file.
By creating a new repository and copying files manually.

29. What is a Personal Access Token (PAT) in Git?

A method of authenticating to GitHub that replaces passwords for API and Git operations.
A special branch used for releases.
A type of merge conflict.
A command for creating tags.

30. What is the main difference between CVS and DVCS?

CVS is centralized, while DVCS like Git is distributed.
CVS supports branching, while DVCS does not.
CVS is more modern than DVCS.
CVS requires a network connection, while DVCS does not.

31. Which Git command would you use to display the commit history from the last 7 days?

git log --last=7
git log --since="7 days ago"
git log --days=7
git log --after="7"

32. How do you move only file1 to the staging area from the working directory?

git add file1
git push file1
git transfer file1
None of the above

33. How can you restore a file from the staging area to the working directory?

git comeback file2
git minus file2
git restore file2
None of the above

34. How can you check the logs of file9 and file45?

git log file9 & git log file45
It is not possible.
git status file9 file45
git log file9 file45

35. How can you check the logs for a specific user (e.g., user7)?

git log --author=user7
It is not possible.
git log
git log --username="user7"

36. What happens if you don't configure user.name and user.email in Git?

No issue occurs.
Git will ask for credentials when staging files.
Git will prompt for username and email during commit to log entries.
GitHub automatically configures username and email during installation.

37. How can you bring all commits from the feature branch to the main branch?

git rebase
Switch to the feature branch and run git rebase main
Switch to the main branch and run git rebase feature-branch
None of the above

38. How do you retrieve a file from the 3rd commit?

It’s not possible.
git checkout (commit-id) --filename
git restore file3 commit-id
None of the above

39. What is the primary use of the `git cherry-pick` command?

To apply a specific commit from one branch to another
To combine multiple commits into one
To delete a specific commit from the history
To revert the changes made by a specific commit

40. How do you list all branches in a Git repository?

git branch --list
git branch -a
git show-branches
git branch --all

41. A user is unable to run git commands How to trouble shoot

Check whether is git is installed or not in paticular system using git --version
Check for .git directory in that paticular folder
Run git init command to initialize after checking git is installed in particular OS
All of the above

42. There are 10000 commits in last 2 days but there is a requirement to check the commit history from 10AM to 2PM of current day how can I do it

git log --since="today 10:00" --until="today 14:00"
git log --since="today 10:00" --until="today 02:00"
Run git init command to initialize after checking git is installed in particular OS
All of the above

43. There are 10000 commits in last 2 days but there is a requirement to check the commit history from 10AM to 2PM of yesterday how can I do it

git log --since="yesterday 10:00" --until="yesterday 14:00"
git log --since="yesterday 10:00" --until="yesterday 14:00"
git log --since="yesterday 10:00 - 14:00"
All of the above

44. There are 10000 commits in last 100 days but there is a requirement to check the commit history from 10AM to 2PM of yesterday how can I do it

git log --since="50 days ago 10:00" --until="50 days ago 14:00"
Not possible to check
git log --since="50 days ago 10:00" --until="today ago 14:00"
All of the above

45. What is a potential downside of using `git rebase`?

It can rewrite commit history, leading to confusion
It creates a new branch
It does not preserve the original context of commits
It requires a merge commit to complete

46. What is the best practice to avoid merge conflict

Face the conflict
Always do git pull after cloning the repository
Ask the other user to wait until you make the changes
All of the above

47. What is the best practice to merge feature branch code to main branch code?

Get approvals for the code review
Enable branch protection rules
Use pull requests to merge changes
All of the above

48. Suppose you are a developer and needs to do some code changes in a program that is present in mainbranch how to make the changes

Get approvals for the code review
Enable branch protection rules
Use pull requests to merge changes
All of the above

49. Suppose you are a writing a jenkins file and working on each stage you are making changes for the 5th time and you want to take keep all the changes done first to fourth time how would you work on it and needs to do some code changes in a program that is present in mainbranch how to make the changes

Will use git stash and make a list from 1 to 4 before changing 5th time
Will use s3 bucket and enable versioning and send the file changed each time to S3
We can push it to remote github repository and can checkout any nth time the file is changed using git checkout nthcommitid filename
All of the above

50. How can you find in which programming language the code is written of particular repo

Ask the developer
Check Languages section in github
No need to check programming language for a DevOps Engineer
Both A and B works