NCCER Exam Questions and Answers 100% Pass

NCCER Exam Questions and Answers 100% Pass The plane in space where the centrifugal force pushing an object out into space is equal to the gravitational force pulling an object toward Earth is called a - Answer- geostationary orbit A multipoint-to-point satellite uplink/downlink configuration is used primarily for - Answer- point of sale terminals Know the dos and don'ts of antenna placement. - Answer- DO wear boots, always wear fall protection devices, rain, frost, and be alert to hazards such as live power lines . DONOT -do not mount the antenna under an eave or overhang that might block reception The type of system that is not affected by EMI is - Answer- fiber optic The type of interference that comes from devices that radiate energy is known as - Answer- radio frequency interference (rfi) To achieve optimum operation of a transmitter system, the voltage standing wave ratio (VSWR) measured on the transmission line connected between the transmitter and antenna should be - Answer- 1;1as close to 1:1as possible. The device used to measure FM, AM, and a single-sideband signal in an application such as a mobile communication system is a - Answer- RF field strength analyzer Each node device on a wireless LAN requires the use of a - Answer- NIC network interference card