Overview of Networks 3.2

Enables two computers to establish communication link and exchange packets of data

• Internet

• TCP

• IP

• TCP/IP

Specifies the format and addressing scheme of the packets

• TCP

• TCP/IP

• IP

• ISPs

Responsible for ensuring data packets are transferred quickly and reliably across a network through a router via the best path

• TCP/IP

• IP

• ISPs

• TCP

An organization that provides access to the internet, such as cable, providers (Comcast, AT&T, Earthlink, etc.)

• TCP

• IP

• ISPs

• TCP/IP

Utilizes a modem that enables computers to transmit data over analog telephone lines

• Modem

• Wireless

• Dial Up Internet Connection

• ISDN

The amount of information (aka traffic) carried on a network at one time

• ISDN

• Bandwidth

• Wireless Modem

• Internet

Systems only use their NIC to connect with each other

• Ad-Hoc

• Infrastructure

• Wireless Access Point

• Bandwidth

A device that enables wireless systems to communicate with each other, provided they are on the same network

• Ad-Hoc

• Wireless Access Point

• Bandwidth

• ISDN

Are dedicated digital telephone lines that have greater bandwidths than ISDN lines and are used in USA

• Fractional T

• E-Carriers

• T-Carriers

• Fractional E

Referred to when companies buy one or a number of the individual T1 or T3 channels

• T-Carriers

• E-Carriers

• Fractional E

• Fractional T