Terrestrial radio channels are broadly classifed into

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6. Terrestrial radio channels are broadly classifed into _____ groups. a) 2b) 3c) 4d) 1View AnswerAnswer: bExplanation: The three types are those that operate over very short distance, those that operate in local areas, those that operate in the wide area. 7. Radio channels are attractive medium because __________
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advertisement 8. Geostationary satellites ___________ Computer Networks Questions & Answers – Packet Switching & Circuit Switching This set of Computer Networks Multiple Choice Questions & Answers (MCQs) focuses on “Packet Switching & Circuit Switching”. 1. A local telephone network is an example of a _______ network. 2. Most packet switches use this principle ____________ a) Stop and wait b) Store and forward c) Both Stop and wait and Store and forward d) Stop and forward View Answer
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Answer: b Explanation: The packet switch will not transmit the first bit to outbound link until it receives the entire packet. 3. If there are N routers from source to destination, a total end to end delay in sending packet P(L-> number of bits in the packet R-> transmission rate) a) Nb) (N*L)/Rc) (2N*L)/Rd) L/RView AnswerAnswer: bExplanation: The equation to find the end to end delay when no. of bits, transmission rate and no. of routers is given by (N*L)/R. 4. What are the Methods to move data through a network of links and switches?
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