End of year exam

1-      Give three examples of expert systems and explain clearly why they are expert systems and how they are different from other AI software.

2-      How would you evaluate a simulation? What criteria would you use?

3-      Explain, giving clear technical details, why each of the following situations would happen:

a.       You attempt to load an Internet page and the browser returns “DNS not found”

b.      You type a URL and the browser returns “Access denied”

c.       The Internet is running very slowly and you change the proxy server settings in the browser and it goes faster. 

4-      How is e-commerce different from normal physical stores and shops? What needs to be taken into account when setting up an e-business?

5-      Choose one of the optional topics in the list and explain the implications of the technological developments in that area. The answer should address each off the following:

a.       Area chosen

b.      Description of technological development

c.       How it impacts that area, effects, changes.

6-      A friend of yours is worried that his company, which specializes in keeping medical records for their customers, might be vulnerable to hacking attacks. What countermeasures can be put in place for your friend not to worry about these attacks. Focus both on how to prevent the break in as well as to how eventually to recover if security is compromised.

7-      Give examples of when you would use data encryption, as well as of two methods that can be used for such purposes.

8-       A restaurant has two branches and a warehouse where they keep all supplies. At their downtown site they have a small restaurant and their central office. The restaurant has two computers where they register what each table orders, and prints invoices. These computers are connected to the warehouse, where one computer monitors the level of supplies that are need for each branch and handles stock control. In this same downtown branch there are three networked computers at the office, where they coordinate purchases, advertising, marketing and other administrative functions. Then the restaurant has another branch at the local airport, where two computers are used for the orders and tables and another computer at a back office is sued for all other administrative purposes. Using the  Interactive Network Design Simulator, design the network, adding printers as needed, explaining how the three sites are connected.

When you finish, send your test as a Word document to itgs.sass@gmail.com