Computer Networking Which of the following might be used by a company to satisfy its growing communications needs? All of these front-end processor controller multiplexer concentrator All of these front-end processor controller multiplexer concentrator ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the minimum number of wires required for sending data over a serial communications links? 2 3 None of these 1 4 2 3 None of these 1 4 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following refers to the terms "residual error rate"? 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 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 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What frequency range is used for TV transmission and low power microwave applications? Very Low Frequency : 3 kHz to 30 kHz Ultra High Frequency : 300 MHz to 3000 MHz None of these Medium Frequency : 300 kHz to 3 MHz Super High Frequency : 3000 MHz to 30000 MHz Very Low Frequency : 3 kHz to 30 kHz Ultra High Frequency : 300 MHz to 3000 MHz None of these Medium Frequency : 300 kHz to 3 MHz Super High Frequency : 3000 MHz to 30000 MHz ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Frames from one LAN can be transmitted to another LAN via the device Router None of these Bridge Modem Repeater Router None of these Bridge Modem Repeater ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following is used for modulation and demodulation? protocols None of these modem gateway multiplexer protocols None of these modem gateway multiplexer ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS