Mmmmh, Layer 2, where all the real action happens!!

Seriously though, I appreciate the explanation. You also just reminded me of my favorite old mnemonic. It both helped me pass exams and proved to be a creditable creed to live by when I did PC support for a retail computing company.

Please Do Not Tell Sales People Anything

Let's see who can translate. Fred, you are not allowed to answer. ;\)

With great power comes Awesome irresponsibility.