Computer Networking Most data communications involving telegraph lines use: simplex lines narrowband channels wideband channels None of these dialed service simplex lines narrowband channels wideband channels None of these dialed service ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following connectivity devices is used to extend a network on a purely mechanical basis? Gateway Active hub Router Switch 802.6 Gateway Active hub Router Switch 802.6 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following is considered to be the address before translation? Outside global Inside global Outside local Inside local Outside global Inside global Outside local Inside local ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the address range of a Class B network address in binary? 10xxxxxx 110xxxxx 01xxxxxx 0xxxxxxx 10xxxxxx 110xxxxx 01xxxxxx 0xxxxxxx ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Why does the data communication industry use the layered OSI reference model?1. It divides the network communication process into smaller and simpler components, thus aiding component development, design, and troubleshooting.2. It enables equipment from different vendors to use the same electronic components, thus saving research and development funds.3. It supports the evolution of multiple competing standards and thus provides business opportunities for equipment manufacturers.4. It encourages industry standardization by defining what functions occur at each layer of the model. 2 and 3 3 only 1 only 1 and 4 2 and 3 3 only 1 only 1 and 4 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following performs modulation and demodulation? None of these satellite fiber optic coaxial cable modem None of these satellite fiber optic coaxial cable modem ANSWER DOWNLOAD EXAMIANS APP
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