Assignment Coversheet Faculty of Business Government & Law Student ID number | | Unit name | | Unit number | | Name of lecturer/tutor | | Assignment name | | Due date | | You must keep a photocopy or electronic copy of your assignment. Student declarations This is all my own work and other sources are properly credited - I certify that the attached assignment is my own work. Material drawn from other sources has been appropriately and fully acknowledged by providing
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15:40:19.571720 IP 192.168.2.104.22 > 192.168.2.62.44389: S 1312754191:1312754191(0) ack 1273007929 win 5792 15:40:19.571812 IP 192.168.2.62.44389 > 192.168.2.104.22: . ack 1 win 92 15:40:19.604635 IP 192.168.2.104.22 > 192.168.2.62.44389: P 1:40(39) ack 1 win 91 15:40:19.611687 IP 192.168.2.62.44389 > 192.168.2.104.22: . ack 40 win 92 15:40:19.612844 IP 192.168.2.62.44389 > 192.168.2.104.22: P 1:40(39) ack 40 win 92 1. What was the first connection made‚ to where‚ and via what protocol
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16.128 | 172.16.16.128 | 67.228.110.120 | Destination IP Address | 172.16.16.128 | 67.228.110.120 | 67.228.110.120 | 172.16.16.128 | Source Port | 80 | 3363 | 3363 | 80 | Destination Port | 3363 | 80 | 80 | 3363 | Flags Set | ACK/FIN | ACK | ACK/FIN | ACK | Sequence Number | 822643295 | 2079380537 | 2079380537 | 822643296 | Acknowledge Number | 2079380537 | 822643296 | 822643296 | 2079380538 | 2. Copy the capture2 pcap file into the home folder in BTR3. 3. Launch a terminal
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Wireshark Lab: TCP SOLUTION Supplement to Computer Networking: A Top-Down Approach‚ 6th ed.‚ J.F. Kurose and K.W. Ross © 2005-21012‚ J.F Kurose and K.W. Ross‚ All Rights Reserved The answers below are based on the trace file tcp-ethereal-trace-1 in in http://gaia.cs.umass.edu/wireshark-labs/wireshark-traces.zip TCP Basics Answer the following questions for the TCP segments: 1. What is the IP address and TCP port number used by your client computer (source) to transfer the file to gaia
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Week 4 Lab Part 1: Network Traffic Analysis and Baseline Definition & Secure WLAN Solution Part A Assignment Requirements Watch the Demo Lab in Learning Space Unit 7 and then answer questions 1-10 below. 1. Which tool is better at performing protocol captures and which tool is better at performing protocol analysis? The best tool for protocol captures
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Everyone is different. We all know that. Every book is different too. As books travel along the path of their life‚ people gain new information in their heads about books. They may then use that to write more books. This is the road of literature. A Long Walk to Water written by Linda Sue Park‚ and Whirligig written by Paul Fleischman‚ both have similar story lines‚ but have totally different overall situations. As books travel the road of literature they pick up new aspects of the books that brings
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CNT 4513 Study Guild Note: This study guild also include the material covered before midterm for completeness. You can focus on Chapter 4 and 5 Chapter 1 1. Internet: largest system of interconnected computer networks a) Network edge: end system and access network b) Network core: packet switching (vs. circuit switching) 2. Network Performance a) Delay: Processing delay‚ queuing delay‚ transmission delay‚ propagation delay b) Throughput: bottleneck link 3. Protocol
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Error Detection and Correction Transmission of data through a noisy medium inevitably introduces errors through interference by changing one or more bits. There are two types of errors‚ in single bit errors‚ a 0 may be turned into a 1 or vice versa. In real world conditions‚ most interference introduce burst errors where two or more bits are switched from a 0 to a 1 and vice versa. Types of Errors 1. Single-Bit Error – a single bit is switched from a 0 to a 1 or a 1 to a 0 2. Burst Error
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questions. Question 1 How long from the time the client issued the initial SYN did it take the server to answer with the SYN-ACK? - 0.000187000 secs ‚ Epoch time is 1338762701.1013955000 Question 2 In what frame is the first SYN that was issued? - Occurs in frame 3 ‚2 and 224 after adding the filters Question 3 How long did it take the client to issue the ACK to the SYN-ACK? - 0.027910 secs Question 4 How long did it take the client to issue the first GET after the TCP 3-way handshake was completed
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Contents We have seen an example of use of finite automata in describing the operation of a simplified version of vending machine. Many other systems operating in practice can also be modeled by finite automata such as control circuits of computers‚ computer network communication protocols‚ lexical analysers for compilers etc. Many of those systems fall into the class of systems called reactive system. A reactive system is a system that changes its actions‚ outputs and conditions/status in response
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