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Two endpoints are connected by a single link of rate R = 56kbps and the propagation speed along the link is 2 * 10^8. a) If one wants to send a packet of 120 bits to the other, what is the distance m so that the propagation time equals the transmission time?

Two endpoints are connected by a single link of rate R = 56kbps and the propagation speed along the link is 2 * 10^8. a) If one wants to send a packet of 120 bits to the other, what is the distance m so that the propagation time equals the transmission time?

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Two endpoints are connected by a single link of rate R = 56kbps and the propagation speed along the link is 2* 10^8. a) If one wants to send a packet of 120 bits to the other, what is the distance m so that the propagation time equals the transmission time? b) Suppose the server begins to transmit the packet at time te0. when t= transmission delay, where is the last bit of the packet? c) If the propagation time were greater than the transmission delay, where is the first bit of the packet when time is equal to the transmission delay? d) If the propagation time were less than the transmission delay, where is the first bit of the packet when time is equal to the transmission delay?
Transcribed Image Text:Two endpoints are connected by a single link of rate R = 56kbps and the propagation speed along the link is 2* 10^8. a) If one wants to send a packet of 120 bits to the other, what is the distance m so that the propagation time equals the transmission time? b) Suppose the server begins to transmit the packet at time te0. when t= transmission delay, where is the last bit of the packet? c) If the propagation time were greater than the transmission delay, where is the first bit of the packet when time is equal to the transmission delay? d) If the propagation time were less than the transmission delay, where is the first bit of the packet when time is equal to the transmission delay?
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