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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.
What are local variables? Local varaiables are those which are declared within a block of code like methods. Local variables should be initialised before accessing them.
At the minimum level most networks sends individual packets of data and the network needs each packet to follow an exact format dictated by the hardware, which is known service par
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Pretty much any end-user program is an best example of the Application Layer.
Single-cell wireless LAN All of the wireless end systems are within range of a single control module. Multiple-cell wireless LAN: there are many control modules interlinked by
explain the three classification of operation research
Briefly write functionalities of different OSI layers? The OSI Reference Model includes seven layers. Basic functionality of each of them is as follows: 1. Physical Layer:
After studying this part the students will be able to understand about the following: Analysis of Parallel Algorithms; Different Models of Computation; o Interco
QUESTION a) The aim of a computer network is to increase efficiency and reduce costs. Explain how networks of computers achieve the above. b) Describe the star topology. Su
Can you describe static and dynamic tunnels?
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