homework1

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School

University of Texas, Rio Grande Valley *

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3338

Subject

Information Systems

Date

Feb 20, 2024

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docx

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Uploaded by giselagzermeno

Homework 1 (Individual Assignment) Please note that this is an individual assignment, so you must complete it independently. 1. (6 points) (1.1) Please use online and any other resources to write a summary (one paragraph) of how Wireshark could be used to manage computer networks. Wireshark could be utilized by network administrators, providing real-time analysis of network traffic. It enables users to identify performance bottlenecks and security vulnerabilities, ensuring the efficient operation of area networks and maintaining connectivity for all users. (1.2) Start Wireshark and begin capturing packets. Then use a web browser to visit our university’s website or any website you prefer. Stop the capture after the page has downloaded completely. Scroll through these packets until you reach the web packets in your capture. Answer the following two questions: a. Right-click an HTTP packet and select “Follow TCP stream”. What are the HTTP header fields in the first client request and the first server response? b. How many different GET requests did your browser have to make to download the entire page? What were the arguments to these GET requests? If there are more than three GET requests, only list the arguments for the first three GET requests. (Include screenshots in your answer) 2. (6 points) Your friend just moved to Rio Grande Valley and wanted to set up an Internet connection at home. But he doesn’t know what Internet services are available in the Valley and needs your help. In our lecture we learned different Internet access methods including Dial-up DSL, Cable, and Satellite. So please create a table including the following information to help your friend find the Internet service he needs. (Please note that if multiple ISPs provide the same service, you only need to list one in this table) Internet Access ISP (service available in the Valley) Speed (upstream and downstream) Cost per Month Devices needed Length of Contract Dial-up NetZero 280 Kbps $29.95/month Telephone line, cable, modem, software No contract DSL Century link 100 Mbps $55/month DSL modem, an Ethernet cable, DSL filters, and a router No contract Cable Spectrum 1 Gbps $79.99/month Modem, Router 2 years

for 24 months Satellite Hughesnet 100 Mbps $64.99/mo promo rate for the first 1 Year, $89.99/mo Modem, Satellite Dish, Coaxial cables/ethernet cables. 2 years 3. (3 points) Your friend also wants to know about the Internet service you are using. Can you provide the actual speed of your internet access? Please include a screenshot in your answer. (Hint: you can test you Internet speed at websites like http://www.speedtest.net/ )

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