Unit 4: Advanced Git - Practice Quiz

INT331 — Fundamentals Of Devops 50 Questions
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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 sequential integer ID
B. A user-defined tag
C. The timestamp of the commit
D. A 40-character SHA-1 hash

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

A. git switch <name>
B. git checkout <name>
C. git checkout -b <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 that resolves conflicts automatically
C. A merge used only for remote repositories
D. A merge that creates a new commit object

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

A. git show
B. git log -p
C. git log --oneline
D. git log --stat

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

A. There is no functional difference
B. Merge rewrites history; rebase preserves history
C. Merge is used for local branches; rebase is for remote branches
D. Merge preserves history structure; rebase rewrites history to be linear

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

A. git diff
B. git diff --staged
C. git show
D. git log --staged

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

A. git commit --amend
B. git reset --soft
C. git stash
D. git checkout .

9 What is the result of running git stash pop?

A. It applies the most recent stash but keeps it in the stack
B. It deletes the most recent stash without applying it
C. It applies the most recent stash and removes it from 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 check-attr
B. git diff
C. git log
D. git blame

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

A. It allows you to tag a file instead of a commit
B. It is stored as a full object in the database containing the tagger name, email, and date
C. It is just a pointer to a specific 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 checkout -d <branch_name>
B. git branch -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 rebase --continue
B. Stage the files using git add
C. Run git commit immediately
D. Run git push

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

A. Stash the last 3 commits
B. Interactively modify, squash, or drop the last 3 commits
C. Merge the last 3 commits into a new branch
D. Revert the last 3 commits

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

A. git tag -a v1.0 -m 'version 1.0'
B. git tag --light v1.0
C. git tag v1.0
D. git commit --tag v1.0

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

A. git rebase --continue
B. git commit
C. git rebase --skip
D. git rebase --abort

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

A. Merges branchA into branchB
B. Shows the common ancestor of both branches
C. Rebases branchB onto branchA
D. Shows the changes between the tips of branchA and branchB

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

A. It consumes too much memory
B. It rewrites history, causing synchronization issues for other developers
C. It deletes the remote repository
D. It creates merge conflicts automatically

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

A. git log --graph
B. git log --pretty
C. git log --draw
D. git log --chart

20 What is the command to list all current stashes?

A. git stash --verbose
B. git stash show
C. git stash list
D. git stash all

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

A. git stash branch <branchname>
B. git checkout -b <branchname> stash
C. git stash pop <branchname>
D. git branch <branchname> --stash

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

A. It forces the creation of a merge commit even if a fast-forward is possible
B. It aborts the merge if conflicts are found
C. It prevents a merge commit from being created
D. It performs a dry-run merge

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

A. git commit --push v1.0
B. git tag push v1.0
C. git push origin --tags
D. git push origin v1.0

24 Which command removes untracked files from the working tree?

A. git reset
B. git stash drop
C. git clean
D. git rm

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

A. Pauses the rebase
B. Combines the commit with the previous one
C. Deletes the commit
D. Edits the commit message

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. HEAD points directly to a commit instead of a branch reference
D. The remote repository is unreachable

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

A. git show <filename>
B. git diff <filename>
C. git log <filename>
D. git status <filename>

28 What happens when you run git stash apply?

A. The top stash is applied and removed from the stack
B. All stashes are applied
C. The top stash is applied but remains in the stack
D. The stash is deleted

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

A. git branch -m main
B. git branch --new main
C. git rename main
D. git checkout -b main

30 What is the purpose of git reflog?

A. To view the commit logs of a remote repository
B. To view the history of branch updates and HEAD movements
C. To delete old logs
D. To reference the logs of a specific tag

31 Which command deletes the most recent stash entry?

A. git stash drop
B. git stash remove
C. git stash pop --no-apply
D. git stash delete

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

A. git rm file.txt
B. git checkout -- file.txt
C. git stash pop
D. git reset file.txt

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 HEAD, the Staging Index, and the Working Directory
B. The two branch tips and their most recent common ancestor
C. The local branch tip, the remote branch tip, and the stash
D. The last three commits on the current branch

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

A. git stash save
B. git stash --all
C. git stash -u
D. git stash --force

36 In an interactive rebase, what does drop do?

A. Squashes the commit
B. Removes the commit entirely from history
C. Moves the commit to a new branch
D. Stops the rebase process

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

A. git push --force
B. git push --rebase
C. git push --hard
D. git push --overwrite

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

A. git diff --staged
B. All of the above
C. git status -v
D. git diff HEAD

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

A. git stash apply stash@{2}
B. git stash apply 2
C. git apply stash#2
D. git stash pop 2

40 What is the primary usage of git show?

A. To show all branches
B. To display metadata and content changes of a specific object (blob, tree, tag, or commit)
C. To show the remote URL
D. To show the current status of the repository

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

A. git tag -v <tagname>
B. git show --signature <tagname>
C. git verify <tagname>
D. git tag --check <tagname>

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

A. git config commit.message
B. git reset
C. git commit --amend
D. git rebase

43 What defines the structure of the Git history graph?

A. A Binary Search Tree
B. A Stack
C. A Directed Acyclic Graph (DAG)
D. A Linked List

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

A. git diff --summary
B. git diff --stat
C. git diff --brief
D. git diff --count

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

A. You cannot tag past commits
B. git tag v1.0 <commit_checksum>
C. git tag --past v1.0
D. git tag v1.0 HEAD~1

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 checkout .
C. git reset --mixed
D. git reset --soft

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. The branch is moved to 'archive'
D. Git forbids the action

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

A. git status
B. git branch --diff
C. git branch --merged
D. git branch --no-merged

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

A. Use the commit, but edit the commit message
B. Use the commit as is
C. Remove the commit
D. Meld the commit into the previous one