Lesson Summary

The following points summarize the main elements of this lesson:

The three benefits provided by a network are connections, communications, and services.
The three primary network topologies are bus, ring, and star.
Network interface cards (NICs) provide the connection between the computer and the network cabling.
The three network cabling types are twisted-pair, coaxial, and fiber-optic.
Network cabling is designated by transmission speed, length, or type.
Network protocols provide the rules for network communications.
Networks can be extended with repeaters, bridges, routers, and gateways.
The Internet is a valuable informational tool for an A+ Technician.