To get onto the Internet several parts are needed: The propper cable and of course you have to know where to plug them in. Also the different connection scenarios are taught here:

• Modem connections
• DSL
• University lines
• wireless connections

are introduced.

Also the concept of an IP address is explained. The Domain Name System resolves between names and ip addresses.

The tools ping and traceroute are explained in the last part of the chapter.