Submitted by: Submitted by kgitari
Views: 10
Words: 560
Pages: 3
Category: Science and Technology
Date Submitted: 03/18/2016 05:00 AM
Chapter 8 Practical Exercises 1.20-3.00 pm Friday, March 18, 2016
1. Go to a popular online electronic commerce site like Amazon.com. Place several items in your shopping
cart, and then go to check out. When you reach the screen that asks for your credit card number, right-click
on the Web browser and select “Properties.” What can you find out about the cryptosystems and protocols
in use to protect this transaction?
2. Repeat Exercise 1 on a different Web site. Does this site use the same or different protocols? Describe them.
3. Go to the Web site for PGP, www.pgp.com/downloads/desktoptrial/index.html. Download and install the trial
version of PGP Desktop. Using PGP and your favorite e-mail program, send a PGP-signed e-mail to your
instructor. What looks different in this e-mail compared to your other e-mails?
4. Visit the NIST Web site and view the document “Announcing the Advanced Encryption Standard (AES)”
which can be found at http://csrc.nist.gov/publications/fips/ fips197/fips-197.pdf. Review the FIPS-197
standard. Examine the document to determine an overview of the development and implementation of this
cryptosystem.
5. Search the Web for steganographic tools. What do you find? Download and install a trial version of one of
the tools. Embed a text file within an image. In a side-by-side comparison of the two images, can you tell
the difference between the original image and the image with the embedded file?
Break 3.00-3.30 pm Friday, March 18, 2016
Chapter 9 Practical Exercises 3.30-4.50 pm Friday, March 18, 2016
1. Assume that your organization is planning to have a server room that functions without human beings—in
other words, the functions are automated (such a room is often called a lights-out server room). Describe the
fire control system(s) you would install in that room.
2. Assume that you have converted part of an area of general office space into a server room. Describe the
factors you would consider when planning for each...