Git Git Advanced Features

Question 1

What is the main advantage of `git rebase` over `git merge` for integrating changes?

Accepted Answer

Rebase produces a cleaner, linear commit history without merge commits

Answer

Rebase is faster for large repositories

Answer

Rebase preserves the exact original commit timestamps

Answer

Rebase works on remote branches while merge does not

Question 2

What does `git stash pop` do compared to `git stash apply`?

Accepted Answer

pop applies the stash and removes it from the stash list; apply applies it but keeps it

Answer

pop applies only the latest stash; apply applies all stashes

Answer

They are identical

Answer

pop discards the stash without applying; apply applies it

Question 3

Which command applies a specific commit from another branch onto the current branch?

Accepted Answer

git cherry-pick <commit-hash>

Answer

git merge <commit-hash>

Answer

git apply <commit-hash>

Answer

git patch <commit-hash>

Question 4

What is a Git tag, and how does a lightweight tag differ from an annotated tag?

Accepted Answer

Tags mark important commits; lightweight is just a pointer while annotated stores extra metadata like tagger and message

Answer

Tags are branches that do not move; there is no difference between types

Answer

Lightweight tags expire; annotated tags are permanent

Answer

Lightweight tags are for local use only; annotated tags are for remotes

Question 5

What does `git bisect` help you do?

Accepted Answer

Binary search through commit history to find the commit that introduced a bug

Answer

Split a commit into two smaller commits

Answer

Compare two branches side by side

Answer

Split a repository into two separate repositories

Question 6

What is a Git submodule?

Accepted Answer

A pointer to a specific commit in another repository, embedded within a parent repository

Answer

A module in the Git source code

Answer

A branch created for a specific module of an application

Answer

A plugin that extends Git functionality