I've previously used this as an interview pre-screen question for job candidates. It's a great question to ask; there are so many levels of details involved.

I've previously used this as an interview pre-screen question for job candidates. It's a great question to ask; there are so many levels of details involved. As a web company, you generally want potential employees to at least mention "HTTP" in the response. DNS is great. TCP/IP too. You'll definitely weed out some people who don't have a clue.