Computer Networking A communications medium that uses pulses of laser light in glass fibers. Select the best fit for answer: Cellular phone systems Telecommunications processors Fiber optic cables Telecommunications software Cellular phone systems Telecommunications processors Fiber optic cables Telecommunications software 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, 4 and 6 1, 3 and 5 3 and 5 2 and 6 2, 4 and 6 1, 3 and 5 3 and 5 2 and 6 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking How much power (roughly) a light-emitting diode can couple into an optical fiber? 100 picowatts None of these 10 milliwatts 100 microwatts 440 microwatts 100 picowatts None of these 10 milliwatts 100 microwatts 440 microwatts ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The synchronous modems are more costly than the asynchronous modems because None of these they produce large volume of data they operate with a larger bandwidth they contain clock recovery circuits they transmit the data with stop and start bits. None of these they produce large volume of data they operate with a larger bandwidth they contain clock recovery circuits they transmit the data with stop and start bits. ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which WAN encapsulations can be configured on an asynchronous serial connection?1. PPP2. ATM3. HDLC4. SDLC5. Frame Relay 2 and 4 1 and 2 3, 4 and 5 All of these 2 and 4 1 and 2 3, 4 and 5 All of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Eight stations are competing for the use of a shared channel using the 'Adaptive tree Walk Protocol'. If the stations 7 and 8 are suddenly become ready at once, how many bit slots are needed to resolve the contention? 14 slots 10 slots None of these 5 slots 7 slots 14 slots 10 slots None of these 5 slots 7 slots ANSWER DOWNLOAD EXAMIANS APP
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