I believe that I answered this somewhere else some time ago, but I will give you a brief review, Tenney: 'All of the above' is correct, commas or no commas. 'And' means 'and' either way. Of course, the builder is free to build only one or the other if he does not wish to build both.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.