Computer Networking Data communications system depends on four fundamental characteristics Medium Sender Timeliness Receiver Medium Sender Timeliness Receiver ANSWER DOWNLOAD EXAMIANS APP
Computer Networking In a synchronous modem, the digital-to-analog converter transmits signal to the None of these equalizer demodulator terminal modulator None of these equalizer demodulator terminal modulator ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A 4 KHz noise less channel with one sample ever 125 per sec is used to transmit digital signals. Differential PCM with 4 bit relative signal value is used. Then how many bits per second are actually sent? None of these 64 Kbps 32 Kbps 128 Kbps. 8 Kbps None of these 64 Kbps 32 Kbps 128 Kbps. 8 Kbps ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the minimum number of wires required for sending data over a serial communications links? 1 2 None of these 3 4 1 2 None of these 3 4 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Networks that follow the 802.5 standard appear to be in a star topology but are actually operating in what type of topology? Hybrid hub Linear bus Ring Modified ring Modified star Hybrid hub Linear bus Ring Modified ring Modified star ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The loss in signal power as light travels down the fiber is called interruption scattering attenuation propagation None of these interruption scattering attenuation propagation None of these ANSWER DOWNLOAD EXAMIANS APP
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