Computer Networking Which of the following might be used by a company to satisfy its growing communications needs? controller multiplexer All of these front-end processor concentrator controller multiplexer All of these front-end processor concentrator ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following summation operations is performed on the bits to check an error-detecting code? Codec Attenuation Checksum Coder-decoder Broadband and baseband refer to the different frequencies at which infrared operates then transmitting signals in certain conditions Codec Attenuation Checksum Coder-decoder Broadband and baseband refer to the different frequencies at which infrared operates then transmitting signals in certain conditions ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Compared to analog signals, digital signals All of these None of these allow faster transmission both A and B are more accurate All of these None of these allow faster transmission both A and B are more accurate ANSWER DOWNLOAD EXAMIANS APP
Computer Networking An encyclopedic database None of these All of these is generally free is easy for beginners to use is an information utility that specializes in storing and searching information None of these All of these is generally free is easy for beginners to use is an information utility that specializes in storing and searching information 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. If Delta modulation is selected, then how many bits per second are actually sent? 32 kbps 128 kbps None of these 64 kbps. 8 kbps 32 kbps 128 kbps None of these 64 kbps. 8 kbps ANSWER DOWNLOAD EXAMIANS APP
Computer Networking If the ASCII character G is sent and the character D is received, what type of error is this? multiple-bit burst None of these single-bit recoverable multiple-bit burst None of these single-bit recoverable ANSWER DOWNLOAD EXAMIANS APP
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