Computer Networking Unmodulated signal coming from a transmitter is know as Baseband signal Carrier signal Primary signal None of these Baseband signal Carrier signal Primary signal None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Computers cannot communicate with each other directly over telephone lines because they use digital pulses whereas telephone lines use analog sound frequencies. What is the name of the device which permits digital to analog conversion at the start of a long distance transmission? None of these Interface Modem Teleprocessor Attenuation None of these Interface Modem Teleprocessor Attenuation ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following refers to the terms "residual error rate"? The probability that one or more errors will be undetected when an error detection scheme is used None of these the number of bit errors per twenty four hours of continuous operation on an asynchronous line signal to noise ratio divided by the ratio of energy per bit to noise per hertz the probability that one or more errors will be detected when an error detection mechanism is used The probability that one or more errors will be undetected when an error detection scheme is used None of these the number of bit errors per twenty four hours of continuous operation on an asynchronous line signal to noise ratio divided by the ratio of energy per bit to noise per hertz the probability that one or more errors will be detected when an error detection mechanism is used ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Routers operate at layer _____. LAN switches operate at layer _____. Ethernet hubs operate at layer _____. Word processing operates at layer _____. 3, 2, 1, none 3, 3, 2, none 3, 3, 1, 7 3, 2, 1, 7 All of these 3, 2, 1, none 3, 3, 2, none 3, 3, 1, 7 3, 2, 1, 7 All of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking How many pairs of stations can simultaneously communicate on Ethernet LAN? 3 None of these 2 multiple 1 3 None of these 2 multiple 1 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the main purpose of a data link content monitor? to determine the type of switching used in a data link. None of these to determine the type of transmission used in a data link to detect problems in protocols to determine the flow of data to determine the type of switching used in a data link. None of these to determine the type of transmission used in a data link to detect problems in protocols to determine the flow of data ANSWER DOWNLOAD EXAMIANS APP
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