Chapter 8 Communications & Networks

The concept related to using computer networks to link people and resources.

• connectivity

• GPS

• TCP/IP

• Wi-Fi

A high-frequency transmission cable that delivers television signals as well as connects computers in a network.

• twisted pair

• hi-def

• 3D

• coaxial

A short-range radio communication standard that transmits data over short distances of up to approximately 33 feet.

• broadband

• DSL

• Bluetooth

• TCP/IP

The speed with which a modem transmits data is called its:

• modular rating

• transfer rate

• dynamic rate

• digital velocity

The bandwith typically used for DSL, cable , and satellite connections to the Internet.

• baseband

• broadband

• medium band

• voiceband

Every computer on the internet has a unique numeric address called a(n):

• IP address

• broadcast

• DNS

• packet

Sometimes referred to as a LAN adapter, these expansion cards connect a computer to a network.

• PCMCIA

• server

• NIC

• VPN

A device that allows one LAN to be linked to other LANs or to larger networks.

• PAN

• IDS

• switch

• network gateway

Typically using Wi-Fi technology, these wireless access point are available from public places such as coffee shos, libraries, bookstores, colleges, and universities.

• LANs

• PANs

• extranets

• hotspots

Bus, ring, star, tree , and mesh are five types of network:

• topologies

• protocols

• devices

• strategies