Computer Networking What is the minimum number of wires needed to send data over a serial communication link layer? 1 4 6 2 None of these 1 4 6 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switched LAN? After broken links are reestablished When upper-layer protocols require high reliability In an improperly implemented redundant topology During high-traffic periods After broken links are reestablished When upper-layer protocols require high reliability In an improperly implemented redundant topology During high-traffic periods ANSWER DOWNLOAD EXAMIANS APP
Computer Networking How much power (roughly) a light-emitting diode can couple into an optical fiber? 100 picowatts 440 microwatts 10 milliwatts None of these 100 microwatts 100 picowatts 440 microwatts 10 milliwatts None of these 100 microwatts ANSWER DOWNLOAD EXAMIANS APP
Computer Networking If the ASCII character G is sent and the character D is received, what type of error is this? None of these recoverable single-bit multiple-bit burst None of these recoverable single-bit multiple-bit burst 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 1 only 3 only 1 and 4 2 and 3 1 only 3 only 1 and 4 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A form of modulation In which the amplitude of a carrier wave is varied in accordance with some characteristic of the modulating signal, is known as Aloha modem Angle modulation Amplitude modulation None of these Aloha modem Angle modulation Amplitude modulation None of these ANSWER DOWNLOAD EXAMIANS APP
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