Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

Lets look at what happens when your browser domioads a file with several embedded objects, i.e., a file that inchudes other objects that are stored

image text in transcribed
Lets look at what happens when your browser domioads a file with several embedded objects, i.e., a file that inchudes other objects that are stored on a servarts). Do the folowing in your browser and capture the packets in Wireshark. - Your browser should display a short HTML fle with two images. These two images are referenced in the base HTML fie. That is, the images themselves are not contained in the HTML file; instead, the URLs for the images are relerenced using HTMLL. a. Copy the lines from the base HTML page which reference these two images. What edition of the book is displayed in the textbock image in your browser? b. What is the FuLL. Request URI tor the first image rederenced in the HTML fie? Enter this URI in your browser. What is the easuit? - As discussed in the textbook (and class), your browser will have to retrieve these chjpcts from the indicated web siless. Stop the Wreshark packet capture, and enter "http' in the display-fititer-specifcation window, - Ggnore the Aaviconico requestiresponse in Wireshark. How ansher the following questions (donit foroet (a) and (e) abose L c. From the Wireshark trace, how many HTTP GET request messages did your browser send in total? Take a sereanshot and highlight the HITP requests and eesponses. What are the fien names that correspond to each GET request? d. Describe the purpose of the very frrt Request Response message. How do you identify whether the request was successful or not? Was it successtui? Explain your answer. e. Draw a picture with a client and sorver, reflecting the fle transfers you observe in Wreshark, and lase artows to indicate the Requests and Resporses to fully load the original web page. f. In Wireshark, find the 2 HTTP cliont requests and senver responses for the embedded inages: L. Are the requested images located on the same server as the base HTML fle? What is the locasion where the second image was foung? What HTTP header gives this value? Attach the screenshot and mark up informabion in your answer: 1. What type of nies are being requested? ii. What are the Status codes and meaning for each response from the server? iv. What is the size of the first image (pearson.png)? 9. What would you expect to see in Wreshark if your browser attempted to download the embedded objects in paralel? Can you determine whether your browser downloaded the embedded images serially, or whether they were dowricaded from the two webshes in paraliel? Explain and support your conchusion with screenshots trom your Wireshark trace

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image_2

Step: 3

blur-text-image_3

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Students also viewed these Databases questions

Question

The Functions of Language Problems with Language

Answered: 1 week ago

Question

The Nature of Language

Answered: 1 week ago