Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN: 9780133594140
Author: James Kurose, Keith Ross
Publisher: PEARSON
Expert Solution & Answer
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Chapter 1, Problem P27P

a.

Explanation of Solution

The formula used for calculating the bandwidth-delay product is R×dprop

The expression used for calculating the propagation delay in terms of meters (m) and seconds (s) is dprop=ms  seconds.

Substitute, “20,000” for “m” and “2.5 ×108” for “s”

The propagation delay of the link is 20000×1032

b.

Explanation of Solution

The size of the file transmitted from Host A to Host B is 800,000 bits...

c.

Explanation of Solution

The formula used for calculating the width of a bit present on the link is as follows

Widthofthebit=Lengthofthelinkbandwidth-delayproduct

The formula used for calculating the bandwidth-delay product is R×dprop

The expression used for calculating the propagation delay in terms of meters (m) and seconds (s) is dprop=ms  seconds.

Substitute, “20,000” for “m” and “2.5 ×108” for “s”

The propagation delay of the link is 20000×1032.5×108=0

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Chapter 1 Solutions

Computer Networking: A Top-Down Approach (7th Edition)

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