Computer Networking Which of the following is an advantage to using fiber optics data transmission? resistance to data theft fast data transmission rate low noise level few transmission errors All of these resistance to data theft fast data transmission rate low noise level few transmission errors All of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following communications lines is best suited to interactive processing applications? full-duplex lines simplex lines narrowband channels None of these mixed band channels full-duplex lines simplex lines narrowband channels None of these mixed band channels ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The physical layer, in reference to the OSI model, defines the virtual circuit interface to packet-switched service data link procedures that provide for the exchange of data via frames that can be sent and received All of these the interface between the X.25 network and packet mode device None of these the virtual circuit interface to packet-switched service data link procedures that provide for the exchange of data via frames that can be sent and received All of these the interface between the X.25 network and packet mode device None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking How many non-overlapping channels are available with 802.11h? 12 23 40 3 12 23 40 3 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 None of these 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 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 None of these signal to noise ratio divided by the ratio of energy per bit to noise per hertz ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Modem is used in data transmission. When was it invented and in which country? 1950, Japan 1950, USA 1963, USA None of these 1965, Germany 1950, Japan 1950, USA 1963, USA None of these 1965, Germany ANSWER DOWNLOAD EXAMIANS APP
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