In version control using Git, which command creates a new isolated branch and switches your working directory to it simultaneously?
Answer and explanation
Correct answer: D. `git checkout -b <branch-name>`
- Step 1: The `git branch` command creates branches and `git checkout` switches between them.
- Step 2: Combining them with the `-b` flag (`git checkout -b <branch-name>` or `git switch -c <branch-name>`) creates the branch and immediately checks it out in a single command.
Answer
`git checkout -b <branch-name>`.
Why not the others: '`git commit -m`' records staged changes to repository history; '`git pull origin`' fetches and integrates remote changes; '`git merge`' joins two branches together.
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