Computer Networking The communication mode that supports two-way traffic but only one direction at a time is simplex half duplex multiplex None of these duplex simplex half duplex multiplex None of these duplex 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)? 300 275 240 250 300 275 240 250 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What are the data transmission channels available for carrying data from one location to another? Broadband All of these None of these Voiceband Narrowband Broadband All of these None of these Voiceband Narrowband ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following performs modulation and demodulation? fiber optic None of these modem coaxial cable satellite fiber optic None of these modem coaxial cable satellite ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The probability that a single bit will be in error on a typical public telephone line using 4800 bps modem is 10 to the power -3. If no error detection mechanism is used, the residual error rate for a communication line using 9-bit frames is approximately equal to None of these 0.003 0.009 0.991 0.999 None of these 0.003 0.009 0.991 0.999 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking With an IP address starting at 200, you currently have 10 subnets. What subnet mask should you use to maximize the number of available hosts? 192 224 240 252 248 192 224 240 252 248 ANSWER DOWNLOAD EXAMIANS APP