InfoTech 21 Unit I Topic 2

Interconnects computers and cabling to form a local-area network (LAN)

• serial link

• switch

• router

• cloud

Connects two or more networks and directs messages as they travel across a set of networks

• serial link

• switch

• router

• cloud

Summarizes a group of network elements in topology drawings

• serial link

• switch

• router

• cloud

Are the rules that network devices use to communicate.

• protocols

• optical fiber

• applications

• services

Carry data, voice, video & images over the same network.

• protocols

• optical fiber

• converged network

• services