internet infrastructure

• describe the cell phone network
• describe the internet infrastructure
• state the 3 main transmission medias
• state the 4 factors to consider when choosing a medium
• describe the PSTN
• define a modem
• describe the function of a modem

the internet and the World Wide Web

• define internet
• describe the internet
• define the World Wide Web
• describe the WWW
• why was the WWW developed?