Computer Networking Communication circuits that transmit data in both directions but not at the same time are operating in an asynchronous mode a half-duplex mode a simplex mode None of these a full-duplex mode an asynchronous mode a half-duplex mode a simplex mode None of these a full-duplex mode 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 detected when an error detection mechanism is used the number of bit errors per twenty four hours of continuous operation on an asynchronous line The probability that one or more errors will be undetected when an error detection scheme is used signal to noise ratio divided by the ratio of energy per bit to noise per hertz None of these the probability that one or more errors will be detected when an error detection mechanism is used the number of bit errors per twenty four hours of continuous operation on an asynchronous line The probability that one or more errors will be undetected when an error detection scheme is used signal to noise ratio divided by the ratio of energy per bit to noise per hertz None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking How many Character per sec(7bits + 1parity) can be transmitted over a 2400 bps line if the transfer is synchronous (1 "Start" and 1 "stop" bit)? 275 300 250 240 275 300 250 240 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The frequency range : 300 kHz to 3 MHz is used for microwave communications, satellite and radar TV transmission AM radio transmission FM radio transmission None of these microwave communications, satellite and radar TV transmission AM radio transmission FM radio transmission None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Terminals are used to provide information for the manager None of these collect data from the physical system All of these communicate management decisions to the physical system provide information for the manager None of these collect data from the physical system All of these communicate management decisions to the physical system ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Many large organizations with their offices in different countries of the world connect their computers through telecommunication satellites and telephone lines. Such a communication network is called ECONET None of these LAN WAN EITHERNET ECONET None of these LAN WAN EITHERNET ANSWER DOWNLOAD EXAMIANS APP
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