The Internet: A vast network of networks

Overheads

Knowing what is a protocol, what are some common types and the role that they play in the operation of the Internet
Knowing what the 4 common ways of getting an Internet connection and the strengths/weaknesses of each
Understanding how addressing is assigned on the Internet via I.P. addresses
Knowing how web search engines work in order to: judge their relative strengths and understanding how search results are ranked
Understanding and being able to apply advanced search techniques using Google to increase the likelihood of finding relevant information on the web
Learning what is a metasearch engine and their strengths and weaknesses