Ugh, this was harder than I thought it would be. Distinguishing between experts and novices after just 10 minutes based on the same material is challenging.

Novice:

Q: Which of the following git commands changes your git history?

git commit
git diff
git log
git show

Expert

Q: Which pair of commands are most useful for looking for or understanding changes that have not yet been committed?

git diff and git log
git show and git log
git diff and git status
git blame and git diff
git show and git commit