Web Development Version Control 2

Question 1

What does `git rebase` do compared to `git merge`?

Accepted Answer

Rebase rewrites commit history by replaying commits onto a new base

Answer

Git rebase replays commits from one branch onto another, creating a linear history without a merge commit.

Question 2

Which command shows the commit history as a graph in the terminal?

Accepted Answer

git log --graph --oneline

Answer

`git log --graph --oneline` displays an ASCII graph of the branch and merge history alongside condensed commit info.

Question 3

What is a 'detached HEAD' state in Git?

Accepted Answer

HEAD points directly to a commit instead of a branch

Answer

A detached HEAD occurs when HEAD points to a specific commit SHA rather than a branch name.

Question 4

What does `git cherry-pick <commit-hash>` do?

Accepted Answer

Applies the changes from a specific commit onto the current branch

Answer

Cherry-pick applies the diff introduced by a specific commit onto the currently checked-out branch.

Question 5

In Git, what is the purpose of `.gitignore`?

Accepted Answer

Specifies intentionally untracked files that Git should ignore

Answer

`.gitignore` lists patterns of files and directories that Git should not track or include in commits.

Web Development Practice Test