# Homework1Answers - Homework 1 Solution 1 a 10 users can be...

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Homework 1 Solution 1. a) 10 users can be supported because each user requires one tenth of the bandwidth. b) P(link is idle) = P(every user is idle) = 0.9 10 = 0.35 p= 0.1, P(2 users active) = 2 10 2 ) 1 ( 2 10 p p c) P(11 or more users transmitting) = P(11)+P(12)+P(13)+…+P(35) = 1 – [ P(0)+P(1)+…+P(10)] = 1– n n n p p n = 35 10 0 ) 1 ( 35 3. a). False. In HTTP protocol, one request message only gets one object. So the user will first issue a request to get the base html text file, then issue two additional requests to get the two images. b). True. c). False. In non-persistent HTTP, a connection will be closed after one request is responded. d). False. Date indicates the date the response message was sent. 4. DNS problem. a). Need to provide registrar with names and IP addresses of your authoritative name server. So the company needs to provide two RR records: (flashNetwork.com, dns.flashNetwork.com, NS)

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## This note was uploaded on 04/24/2011 for the course CNT 4704 taught by Professor Guha,r during the Fall '08 term at University of Central Florida.

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Homework1Answers - Homework 1 Solution 1 a 10 users can be...

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