MIS Laudon Ch. 7

These use upgrades to the existing cellular infrastructure; used when 3G networks not available. 248

A Wi-Fi standard with an effective distance of 30 to 50 metres. 250

A box consisting of a radio receiver/transmitter and antennas that link to a wired network, router or hub. 250

A continuous waveform that passes through a communications medium and is typically used for voice communication. 228

ATM

Acts as the primary path for traffic flowing to or from other networks; part of a network that handles the major traffic. 230

A networking technology that parcels information into 8-byte cells, allowing data to be transmitted between computers from different vendors at any speed. 233

The difference between the highest and lowest frequencies that can be accommodated on a single channel. 232

Informal, yet structured Web site where subscribing individuals can publish stories, opinions, and links to other Web sites of interest; popular term for a Weblog. 242

Popular name for the 802.15 wireless setworking standard which is useful for creating small personal area networks; links up to eight devices within a 10-metre area using lowpower, radio-based communication. 249

One station transmits signals, which travel in both directions along a single transmission segment; all signals are broadcast in both directions to the entire network; all machines receive the same signals. 230

Provided by cable television vendors and use digital cable coaxial lines to deliver high-speed Internet access to homes and businesses. 233

CAN

LANs interconnected within multiple buildings or a geographic area, such as a school campus or military base 228

Canadian research network with new protocols and transmission speeds that provides an infrastructure for supporting high-bandwidth Internet applications; similar to Internet2 in the US. 237