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a) Assume that the time required to transmit one packet (i.e. the packet length divided by link data rate) is 10ms and the Round Trip Time (from Source to Destination and back) is 50ms. In the space below, draw a diagram illustrating the timing of Source and Destination exchanging packets and acknowledgments using a stop-and-wait protocol. Assume that packets are only sent from source to destination and that acknowledgments (of negligibly small size) are sent back immediately after the data frame is received.
b) Calculate link utilisation (proportion of time the channel is actually used for transmission) for the stop-and-wait case.
Firewall is a device or a component that restricts access between a protected or an internal network from an external or untrustworthy network .A firewall basically limits unautho
a) Consider a hypothetical arrangement of ‘self-learning' bridges shown in the figure below. Assuming all are initially empty, give the forwarding tables for each of the bridges B
discuss communication isolation and privatization in network topologies
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Clipper is a compiler that was well recognized at the time of80's and early times of 90's. We can build DOS based applications (even large applications too) using clipper. There is
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QUESTION (a) What are the problems with IPv4 on today's Internet and how does IPv6 solve these problems? (b) Describe at least three ways in which IPv6 is more efficient tha
Find the domain Name of 128.252.160.200
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