Grrr! The answer is clearly Yes since it is possible to restore from a snapshot (which is the question). Even if there are multiple snapshots. The only caveat is that...
It looks like the correct answer is incorrect :w00t: According to the explanation the correct answer is 10 but choosing that answer still results in "Sorry - you were wrong"...
I agree with the previous two posters. The webpage referenced clearly states that the 4th option should be "Increase available memory on the computer".