CS320 - Computer Networks and Internets

HW08

Written Assignment

  1. Determine the class (A, B, C, D, E) of the following IP addresses:
26.25.125.100
188.211.70.121
198.248.111.130
219.21.2.2
244.55.76.251
  1. If someone told you their IP address is 127.0.0.1, what would you say?
  2. If someone told you their IP address is 198.248.131.555, what would you say?
  3. Comer, Chapter 19, problem 19.3.

Put your answers to this assignment in a document called hw08.doc.

Machine Problem 1

For this machine problem, you'll be enhancing your web site associated with your UNIX account.

The Task

For this problem, you will be modifying your web page on your Unix Account. You'll be adding a graphic to the page. You might consider going to the web site http://www.webdeveloper.com/animations/ and getting an animated gif to add to your page.

The Steps

  1. In HW05, Machine Problem 1, your created a web page using the Mozilla Composer. With the Composer, open the web page you created for HW05. Note the directory that your file is in.
  2. Using your browser, go to a web site such as http://www.webdeveloper.com/animations/, choose an image. Right click on the image and select Save Picture As... and save the image to the same directory that contains your web page.
  3. Using Mozilla Composer, on the tool bar select Insert | Image. In the Image Properties dialog box, select the image as shown below. This will insert a link to the image in your web page file.

  1. Click OK in the Image Properties dialog box.
  2. In the Mozilla Composer, select File | Save from the menu bar. This will same the revised web page on your PC.
  3. Once we've modified the page, we can transfer it and the image to our UNIX account using the FTP client that we previously installed. Just transfer the index.html file and the image file to the public_html folder (that you previously created). Highlight the files of interest in the left hand window, and press the --> key to transfer the files to you public_html folder in your UNIX account. Be sure that the auto box is checked when you transfer the files.

  1. You can display your web page by using a browser and entering the address: http://anvil.emporia.edu/~your_user_id/. For Harry's page:

What You'll Turn in For This Problem

What You'll Submit to the Homework Submission System

Use a file compression utility like WinZip (available here or here) and create a file called hw08.zip containing the file hw08.doc. Submit the zipped file to the homework submission system.