A network is a system that transmits any combination of voice, video and/or data between users.

Programmers

Do

Not

Throw

Sausage

Pizza

Away

•Provides connectivity and path selection between two host

•Provides Logical address

•No error correction, best effort delivery.

Data

Segments

Packet

Frame

Bits

Data

Data

IP defines datagram structures that encapsulate the data to be delivered. It also defines addressing methods that are used to label the datagram source and destination.

Routing is the process of selecting paths in a network along which to send network traffic. Routing is performed for many kinds of networks, including the telephone network (circuit switching), electronic data networks (such as the Internet), and transportation networks

•Cisco Systems, Inc., (2003, March 14). CCNA: network media types. Retrieved from ciscopress.com

•Shelly, Gary, et al. "Discovering Computers" 2003 Edition

•Odom, Wendall, "CCNA Certification Guide"