1 $Which command allows you to view the changes between the working directory and the staging area?$

A.

git diff HEAD

B.

git diff

C.

git status

D.

git diff --cached

2 $In the context of Git objects, what constitutes the unique identifier for a commit?$

A.

A user-defined tag

B.

A 40-character SHA-1 hash

C.

The timestamp of the commit

D.

A sequential integer ID

3 $Which command is used to create a new branch and switch to it immediately in a single step?$

A.

git checkout -b <name>

B.

git switch <name>

C.

git checkout <name>

D.

git branch <name>

4 $When performing a git merge, what is a 'Fast-forward' merge?$

A.

A merge where the current branch tip is simply moved up to the target branch tip

B.

A merge used only for remote repositories

C.

A merge that creates a new commit object

D.

A merge that resolves conflicts automatically

5 $Which command displays the commit history along with the diffs introduced by each commit?$

A.

git log -p

B.

git log --oneline

C.

git log --stat

D.

git show

6 $What is the primary difference between git merge and git rebase ?$

A.

Merge is used for local branches; rebase is for remote branches

B.

Merge preserves history structure; rebase rewrites history to be linear

C.

There is no functional difference

D.

Merge rewrites history; rebase preserves history

7 $How do you view changes that have been staged but not yet committed?$

A.

git show

B.

git log --staged

C.

git diff

D.

git diff --staged

8 $Which command allows you to temporarily save your changes in the working directory without committing them?$

A.

git stash

B.

git reset --soft

C.

git checkout .

D.

git commit --amend

9 $What is the result of running git stash pop ?$

A.

It deletes the most recent stash without applying it

B.

It applies the most recent stash and removes it from the stack

C.

It applies the most recent stash but keeps it in the stack

D.

It lists all available stashes

10 $Which Git command helps determine who modified a specific line in a file and in which commit?$

A.

git blame

B.

git diff

C.

git check-attr

D.

git log

11 $What is the purpose of an 'Annotated Tag' in Git?$

A.

It is stored as a full object in the database containing the tagger name, email, and date

B.

It is just a pointer to a specific commit

C.

It allows you to tag a file instead of a commit

D.

It automatically updates when new commits are added

12 $Which command is used to delete a local branch that has already been merged?$

A.

git branch -D <branch_name>

B.

git checkout -d <branch_name>

C.

git rm <branch_name>

D.

git branch -d <branch_name>

13 $When resolving a merge conflict, what must be done after editing the files to fix the conflict?$

A.

Run git push

B.

Run git commit immediately

C.

Run git rebase --continue

D.

Stage the files using git add

14 $What does the command git rebase -i HEAD~3 allow you to do?$

A.

Revert the last 3 commits

B.

Stash the last 3 commits

C.

Merge the last 3 commits into a new branch

D.

Interactively modify, squash, or drop the last 3 commits

15 $Which command creates a lightweight tag named 'v1.0'?$

A.

git tag v1.0

B.

git tag --light v1.0

C.

git commit --tag v1.0

D.

git tag -a v1.0 -m 'version 1.0'

16 $During a rebase, if you encounter conflicts, which command allows you to proceed after resolving them?$

A.

git commit

B.

git rebase --abort

C.

git rebase --continue

D.

git rebase --skip

17 $What does the command git diff branchA..branchB do?$

A.

Rebases branchB onto branchA

B.

Shows the changes between the tips of branchA and branchB

C.

Shows the common ancestor of both branches

D.

Merges branchA into branchB

18 $Why is it generally advised not to rebase public history?$

A.

It consumes too much memory

B.

It creates merge conflicts automatically

C.

It rewrites history, causing synchronization issues for other developers

D.

It deletes the remote repository

19 $Which option in git log draws a text-based graphical representation of the commit history?$

A.

git log --draw

B.

git log --graph

C.

git log --chart

D.

git log --pretty

20 $What is the command to list all current stashes?$

A.

git stash all

B.

git stash --verbose

C.

git stash list

D.

git stash show

21 $If you want to create a new branch from a specific stash, which command should you use?$

A.

git branch <branchname> --stash

B.

git stash branch <branchname>

C.

git stash pop <branchname>

D.

git checkout -b <branchname> stash

22 $What is the purpose of git merge --no-ff ?$

A.

It performs a dry-run merge

B.

It forces the creation of a merge commit even if a fast-forward is possible

C.

It prevents a merge commit from being created

D.

It aborts the merge if conflicts are found

23 $How do you push a specific tag v1.0 to the remote repository?$

A.

git commit --push v1.0

B.

git push origin --tags

C.

git tag push v1.0

D.

git push origin v1.0

24 $Which command removes untracked files from the working tree?$

A.

git stash drop

B.

git clean

C.

git reset

D.

git rm

25 $In an interactive rebase, what does the squash command do?$

A.

Combines the commit with the previous one

B.

Pauses the rebase

C.

Edits the commit message

D.

Deletes the commit

26 $Which of the following describes a 'detached HEAD' state?$

A.

The repository has no commits

B.

There are uncommitted changes in the staging area

C.

The remote repository is unreachable

D.

HEAD points directly to a commit instead of a branch reference

27 $Which command would you use to view the commit history for a specific file?$

A.

git diff <filename>

B.

git log <filename>

C.

git status <filename>

D.

git show <filename>

28 $What happens when you run git stash apply ?$

A.

The top stash is applied but remains in the stack

B.

The top stash is applied and removed from the stack

C.

The stash is deleted

D.

All stashes are applied

29 $How can you rename the current branch to 'main'?$

A.

git checkout -b main

B.

git branch -m main

C.

git rename main

D.

git branch --new main

30 $What is the purpose of git reflog ?$

A.

To delete old logs

B.

To reference the logs of a specific tag

C.

To view the commit logs of a remote repository

D.

To view the history of branch updates and HEAD movements

31 $Which command deletes the most recent stash entry?$

A.

git stash pop --no-apply

B.

git stash remove

C.

git stash drop

D.

git stash delete

32 $You have unstaged changes in file.txt and want to discard them. Which command do you use?$

A.

git checkout -- file.txt

B.

git reset file.txt

C.

git rm file.txt

D.

git stash pop

33 $What does git tag -l 'v1.8*' do?$

A.

Lists all tags matching the pattern v1.8*

B.

Creates a tag named v1.8*

C.

Pushes tags starting with v1.8

D.

Deletes all tags starting with v1.8

34 $When performing a 3-way merge, which three commits are used?$

A.

The local branch tip, the remote branch tip, and the stash

B.

The last three commits on the current branch

C.

The two branch tips and their most recent common ancestor

D.

The HEAD, the Staging Index, and the Working Directory

35 $Which command allows you to stash untracked files as well?$

A.

git stash save

B.

git stash --force

C.

git stash --all

D.

git stash -u

36 $In an interactive rebase, what does drop do?$

A.

Removes the commit entirely from history

B.

Squashes the commit

C.

Stops the rebase process

D.

Moves the commit to a new branch

37 $To force a push after a rebase (since history changed), which command is used?$

A.

git push --force

B.

git push --overwrite

C.

git push --hard

D.

git push --rebase

38 $What command shows the difference between the staging area and the last commit?$

A.

git diff HEAD

B.

git diff --staged

C.

git status -v

D.

All of the above

39 $How do you apply a specific stash from the list, e.g., index 2?$

A.

git stash apply 2

B.

git apply stash#2

C.

git stash pop 2

D.

git stash apply stash@{2}

40 $What is the primary usage of git show ?$

A.

To show the current status of the repository

B.

To show all branches

C.

To show the remote URL

D.

To display metadata and content changes of a specific object (blob, tree, tag, or commit)

41 $Which command would you use to verify if a tag is GPG signed?$

A.

git verify <tagname>

B.

git tag -v <tagname>

C.

git tag --check <tagname>

D.

git show --signature <tagname>

42 $If you want to modify the message of the most recent commit, which command is appropriate?$

A.

git rebase

B.

git reset

C.

git config commit.message

D.

git commit --amend

43 $What defines the structure of the Git history graph?$

A.

A Linked List

B.

A Binary Search Tree

C.

A Directed Acyclic Graph (DAG)

D.

A Stack

44 $Which command allows you to view the diff statistics (summary of insertions/deletions) rather than full code changes?$

A.

git diff --stat

B.

git diff --brief

C.

git diff --summary

D.

git diff --count

45 $How do you tag a past commit (not the current HEAD)?$

A.

git tag --past v1.0

B.

You cannot tag past commits

C.

git tag v1.0 HEAD~1

D.

git tag v1.0 <commit_checksum>

46 $Which command is used to discard all local changes in the working directory and staging area, resetting them to the last commit?$

A.

git reset --hard

B.

git reset --mixed

C.

git reset --soft

D.

git checkout .

47 $What is the equivalent of git merge that results in a cleaner history but modifies commit hashes?$

A.

git cherry-pick

B.

git stash

C.

git rebase

D.

git revert

48 $What happens if you delete a branch that has unmerged work using git branch -D ?$

A.

The commits become dangling but can be recovered via reflog for a certain period

B.

The commits are permanently lost immediately

C.

Git forbids the action

D.

The branch is moved to 'archive'

49 $Which command shows the branches that have not yet been merged into the current branch?$

A.

git branch --diff

B.

git branch --no-merged

C.

git branch --merged

D.

git status

50 $In an interactive rebase, what does the reword instruction do?$

A.

Remove the commit

B.

Meld the commit into the previous one

C.

Use the commit as is

D.

Use the commit, but edit the commit message

Unit 4 - Practice Quiz