what does “dead beef” mean?

Question

What does the word \"dead beef\" mean? I read it from a interview question. It has something to do with ipv6. I figured it could be a random hex number used for examples, li

Answer 1

It is also used for debugging purposes.

Here is a handy list of some of these values:

http://en.wikipedia.org/wiki/Magic_number_%28programming%29#Magic_debug_values