Computer Networking Which of the following performs modulation and demodulation? fiber optic coaxial cable None of these modem satellite fiber optic coaxial cable None of these modem satellite ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Eight stations are competing for the use of a shared channel using the 'Adaptive tree Walk Protocol'. If the stations 7 and 8 are suddenly become ready at once, how many bit slots are needed to resolve the contention? 7 slots 10 slots 5 slots 14 slots None of these 7 slots 10 slots 5 slots 14 slots None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A 8-Mbps token ring has a token holding timer value of 10 msec. What is the longest frame (assume header bits are negligible) that can be sent on this ring? 10,000 B frame 8 x 105 bit frame 8000 B frame 80,000 B frame 10,000 B frame 8 x 105 bit frame 8000 B frame 80,000 B frame ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The cheapest modems can transmit None of these 4,800 bits per second 2,400 bits per second 1,200 bits per second 300 bits per second None of these 4,800 bits per second 2,400 bits per second 1,200 bits per second 300 bits per second ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the maximum distance with maximum data rate for 802.11g? Over 200 feet About 90-100 feet About 150 feet About 65-75 feet Over 200 feet About 90-100 feet About 150 feet About 65-75 feet ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What function does a serial interface perform in data communication? Converts serial data into audio signals None of these Converts analog signals into digital signals Converts parallel data into a stream of bits Decodes incoming signals into computer data Converts serial data into audio signals None of these Converts analog signals into digital signals Converts parallel data into a stream of bits Decodes incoming signals into computer data ANSWER DOWNLOAD EXAMIANS APP
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