Computer Networking A WATS arrangement is always less expensive than flat-rate service is less expensive than flat-rate service only when the number of calls is small and the duration of each is long is less expensive than flat-rate service only when the number of calls is large and the duration of each is short None of these is never less expensive than flat-rate service is always less expensive than flat-rate service is less expensive than flat-rate service only when the number of calls is small and the duration of each is long is less expensive than flat-rate service only when the number of calls is large and the duration of each is short None of these is never less expensive than flat-rate service 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 and 3 1, 2 and 3 All of these 3 and 4 1 and 3 1, 2 and 3 All of these 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The process of converting analog signals into digital signals so they can be processed by a receiving computer is referred to as: demodulation synchronizing synchronizing None of these modulation demodulation synchronizing synchronizing None of these modulation ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Computers cannot communicate with each other directly over telephone lines because they use digital pulses whereas telephone lines use analog sound frequencies. What is the name of the device which permits digital to analog conversion at the start of a long distance transmission? Modem None of these Interface Attenuation Teleprocessor Modem None of these Interface Attenuation Teleprocessor ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What are the distinct functions of layer 2 switching that increase available bandwidth on the network?1. Address learning2. Routing3. Forwarding and filtering4. Creating network loops5. Loop avoidance6. IP addressing 2 and 6 1, 3 and 5 3 and 5 2, 4 and 6 2 and 6 1, 3 and 5 3 and 5 2, 4 and 6 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following condition is used to transmit two packets over a medium at the same time? Collision None of these Asynchronous Synchronous Contention Collision None of these Asynchronous Synchronous Contention ANSWER DOWNLOAD EXAMIANS APP
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