Maurice Tutor

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    Argosy University/ Phoniex University/
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Category > Management Posted 22 Feb 2018 My Price 8.00

circuit-switched

Consider the transfer of a file containing one million 8-bit characters from one station to another. What is the total elapsed time and effective throughput for the following cases:

a. A circuit-switched, star-topology local network. Call setup time is negligible and the data rate on the medium is 64 kbps

b. A bus topology local network with two stations a distance D apart, a data rate of B bps, and a frame size of P with 80 bits of overhead per frame. Each frame is acknowledged with an 88-bit frame before the next is sent. The propagation speed on the bus is 200m/μs. Solve for:

c. A ring topology local network with a total circular length of 2D, with the two stations a distance D apart. Acknowledgment is achieved by allowing a frame to circulate past the destination station, back to the source station, with an acknowledgment bit set by the destination. There are N repeaters on the ring, each of which introduces a delay of one bit time. Repeat the calculation for each of b1 through b4 for N =     10; 100; 1000.

 

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Maurice Tutor
(5)
Status NEW Posted 22 Feb 2018 08:02 PM My Price 8.00

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