Exercises 1
1. Go to a popular online e-commerce site like Amazon. 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. Perform a Web search for "Announcing the Advanced Encryption Standard (AES)." Read this document, which is a FIPS 197 standard. Write a short overview of the devel¬opment and implementation of this cryptosystem.
Exercises 2
1. Assume that your organization is planning to have an automated server room that functions without human assistance. 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 you have converted an area of general office space into a server room. Describe the factors you would consider for each of the following components:
a. Walls and doors
b. Access control
c. Fire detection
d. Fire suppression
e. Heating, ventilating, and air conditioning
f. Power quality and distribution
3. Assume you have been asked to review the power needs of a stand-alone computer system that processes important but noncritical data. Although the system does not have to be online at all times, it stores valuable data that could be corrupted if the power system were suddenly interrupted. Which UPS features are most important to such a system? Which type of UPS do you recommend for it?
4. Define the required wattage for a UPS to be used with the following systems:
a. Monitor: 2 amps; CPU: 3 amps; printer: 3 amps
b. Monitor: 3 amps; CPU: 4 amps; printer: 3 amps
c. Monitor: 3 amps; CPU: 4 amps; printer: 4 amps