This Slide Presentation introduces IPv4 and IPv6 Addresses, what they are and why they are used. It discusses why we have two different versions in use. 

This is an unplugged version of how a man in the middle attack can happen and how data can be altered using rope, binder clips, envelopes and index cards.

This is an unplugged version of how computer data packets travel through computer networks using rope, binder clips, envelopes and index cards.