satellites are closest to the Earth. Low-Earth-orbit (LEO) b. Middle-Earth-orbit (MEO) c. Geosynchronous-Earth-orbit (GEO) d. Highly-elliptical-Earth-orbit (HEO) 101. satellites can be found roughly 1000 to 3000 miles from the Earth a Low-Earth-orbit (LEO) b. Middle-Earth-orbit (MEO) c. Geosynchronous-Earth-orbit (GEO) d. Highly-elliptical-Earth-orbit (HEO) _102. A recently publicized satellite system that has unique properties is the goverments for spying and by scientific agencies for observing celestial bodies _satellit a. Low-Earth-orbit (LEO) c. Geosynchronous-Earth-orbit (GEO) b. Middle-Earth-orbit (MEO) d. Highly-elliptical-Earth-orbit (HEO) __ 103. Cells, in a cellular telephone system, can rang mlar telephone system, can range in size from one-half mile in radius to b. 35 d. 70 a m 25 iles in radu c. 50 is the first-generation cellular telephone system. a. Personal Communications Services (PCS) b. Time Division Multiple Access (TDMA) c. Advanced Mobile Phone Service (AMPS) d. Global System for Mobile (GSM) Communications 105. The system is an example of a single-user Earth station satellite system with its own ground station and a small antenna (four to six feet across). a. Ti c. VSAT b. LEO d. SAT-V 106. The first PCS technology uses a form of time division multiplexing called a. Code Division Multiple Access (CDMA) b. Time Division Multiple Access (TDMA) c. Global System for Mobile (GSM) Communications d. Digital-Advanced Mobile Phone Service (D-AMPS) 107 The third PCS technology is and uses a different form of time division multiple access technology a. Global System for Mobile (GSM) Communications b. Time Division Multiple Access (TDMA) c. Code Division Multiple Access (CDMA) d. Digital-Advanced Mobile Phone Service (D-AMPS) et of standards that allows portable devices such as mobile telephones, PDAs, laptops, and is a set of standards that allows 108. The two-way radios to access text-based services such as the Internet. Wireless Application Protocol (WAP) c. General Packet Radio Service (GPRS) d. CDMA2000 IxRTT b. IrDA protocol is a broadband wireless transmission technol wadhand wireless transmission technology that is based upon a series of IEEE standard c. IrDA b. Bluetooth a WiFi d. WiMAX