Computer Networking Which of the following refers to the terms "residual error rate"? the probability that one or more errors will be detected when an error detection mechanism is used The probability that one or more errors will be undetected when an error detection scheme is used the number of bit errors per twenty four hours of continuous operation on an asynchronous line None of these signal to noise ratio divided by the ratio of energy per bit to noise per hertz the probability that one or more errors will be detected when an error detection mechanism is used The probability that one or more errors will be undetected when an error detection scheme is used the number of bit errors per twenty four hours of continuous operation on an asynchronous line None of these signal to noise ratio divided by the ratio of energy per bit to noise per hertz ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Routers operate at layer _____. LAN switches operate at layer _____. Ethernet hubs operate at layer _____. Word processing operates at layer _____. 3, 3, 1, 7 3, 2, 1, none 3, 2, 1, 7 All of these 3, 3, 2, none 3, 3, 1, 7 3, 2, 1, none 3, 2, 1, 7 All of these 3, 3, 2, none ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Most data communications involving telegraph lines use: dialed service simplex lines wideband channels narrowband channels None of these dialed service simplex lines wideband channels narrowband channels None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following digits are known as the terminal number of the Network User Address (NUA)? 01-Apr 08-Dec None of these 05-Jul 13-14 01-Apr 08-Dec None of these 05-Jul 13-14 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following network types have a designated router and a backup designated router assigned?1. Broadcast2. Point-to-point3. NBMA4. NBMA point-to-point 1, 2 and 3 1 and 3 All of these 3 and 4 1, 2 and 3 1 and 3 All of these 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking OSI model means: Operating system interconnection Open systems interconnection Operating source interconnection Open source interconnection Operating system interconnection Open systems interconnection Operating source interconnection Open source interconnection ANSWER DOWNLOAD EXAMIANS APP
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