CompTIA Linux+ XK0-006 (V8) Practice Question

Using git checkout -b hotfix origin/critical-fix creates a new local branch named hotfix, sets its upstream to origin/critical-fix, and switches to it in one step. When a start-point in the form remote/branch is supplied, -b automatically configures tracking. If hotfix already exists, the command aborts with an error, preventing an unintended reset.

git checkout --track origin/critical-fix would create a branch named critical-fix, not hotfix. git checkout -B hotfix origin/critical-fix would succeed even if hotfix exists, forcibly resetting it to the remote start-point-exactly what the scenario seeks to avoid. git checkout --detach origin/critical-fix detaches HEAD at the remote commit and does not create any local branch or tracking relationship.