Computer Networking A communications device that combines transmissions from several I/O devices into one line is a: full-duplex line modifier concentrator multiplexer None of these full-duplex line modifier concentrator multiplexer None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Bus is a continuous frequency capable of being modulated or impressed with a second signal one or more conductors that some as a common connection for a related group of devices the condition when two or more stations attempt to use the same channel at the same time None of these a collection of interconnected functional units that provides a data communications service among stations attached to the network a continuous frequency capable of being modulated or impressed with a second signal one or more conductors that some as a common connection for a related group of devices the condition when two or more stations attempt to use the same channel at the same time None of these a collection of interconnected functional units that provides a data communications service among stations attached to the network ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The area of coverage of a satellite radio beam is known as Circular polarization Identity None of these Beam width Footprint Circular polarization Identity None of these Beam width Footprint ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Synchronous protocols are more reliable None of these allow faster transmission than asynchronous protocols do transmit characters one at a time are generally used by personal computers are more reliable None of these allow faster transmission than asynchronous protocols do transmit characters one at a time are generally used by personal computers ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What function does a serial interface perform in data communication? Converts analog signals into digital signals Decodes incoming signals into computer data Converts parallel data into a stream of bits Converts serial data into audio signals None of these Converts analog signals into digital signals Decodes incoming signals into computer data Converts parallel data into a stream of bits Converts serial data into audio signals None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following are disadvantages of using NAT?1. Translation introduces switching path delays.2. Conserves legally registered addresses.3. Causes loss of end-to-end IP traceability.4. Increases flexibility when connecting to the Internet.5. Certain applications will not function with NAT enabled.6. Reduces address overlap occurrence. 3 and 4 1, 3 and 5 2, 4 and 5 1 and 3 3 and 4 1, 3 and 5 2, 4 and 5 1 and 3 ANSWER DOWNLOAD EXAMIANS APP