a1 - CSE 489/589Homework Assignment 1 Due at the end of...

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Unformatted text preview: CSE 489/589Homework Assignment 1 Due at the end of class on Friday, Oct 01 September 16, 2010 Conventions: bps is bits per second Bps is Bytes per second or 8 bits per second 1 kilo = 10 3 (forget 1024 ) 1 mega = 10 6 1 giga = 10 9 Problem 1. Surf the net or read the textbook find out what the OSI reference model is. Give a very brief description of the OSI reference model (half a page). List two ways in which the OSI model is different than the TCP/IP model. List two ways in which they are the same. Problem 2. Consider a network with just four nodes connected as a square. Thus, there are only four links. Each link can carry up to n circuits simultaneously. Suppose n is an even number. A connection is a path between two different nodes. Suppose the networks switching mode is circuit switching. At the maximum, how many simultaneous connections can be established? How many length- 2 connections can be established at the same time?...
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a1 - CSE 489/589Homework Assignment 1 Due at the end of...

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