BICSI Technician Study Guide Exam 2024 latest questions and answers

BICSI Technician Study Guide Exam 2024 latest questions and answers Three transmission methods are - CORRECT ANSWER-Symplex, half duplex, full duplex The choice of a specific transport medium is influenced by 5 economics and technical considerations such as the: - CORRECT ANSWER-Physical construction, type of services, topology and size of the network, transmission path distance, transmission performance characteristics of the cabling. Twisted pair cable is called balanced cable because: - CORRECT ANSWER-The physical construction of both conductors and the associated connections transmit information electrically at the same potential referenced to ground. Coaxial cable is unbalanced because: - CORRECT ANSWER-The two conductors in the associated connections transmit information electrically at different potentials referenced to ground. __________ current has a rapid increase and decrease of the voltage that cannot be perceived by the eye. - CORRECT ANSWER-Alternating or AC __________ refers to a steady value that does not change the polarity of the voltage for the direction of the current. - CORRECT ANSWER-Direct current or DC A battery is an example of a _____ source. - CORRECT ANSWER-Direct current or DC EMI - CORRECT ANSWER-Electromagnetic interference EM I can be __________ or __________ to the cable - CORRECT ANSWER-External or internal AXT - CORRECT ANSWER-Alien crosstalk What is alien crosstalk? - CORRECT ANSWER-Other cables, external to the cable, that cause electromagnetic interference. Five examples of external EMI - CORRECT ANSWER-Other cables, motors, fluorescent lighting, switching power supplies, powered radio equipment and antennas Crosstalk definition - CORRECT ANSWER-Electromagnetic interference, internal to the cable , that comes from another pair within the sheath