I plan on asking a question that goes something like: if you're an IT Pro what RFC numbers should you have memorized?

I expect this to be a finite list of distinct constructive answers that are valuable. That makes me think it is On Topic and Constructive. Do you agree?

My next question is should it be CW or not? I want to incentivize answers, and allow the most prevalent (need to know) RFC's bubble to the top of the list.

What are your thoughts on the format of this question?