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Final Exam Review Fall 2006: Applying Your Knowlegde

Post your questions here:


Obviously the class builds upon itself, but it seems that material on the review is mostly since the last exam. does this mean the last test is not cummulative? i.e. the new concepts will be the ones since the last exam?
This is a good observation and an important question, so let me clarify. The final is cumulative. However, since we didn't have a third "midterm" there will be a greater emphasis on material from the last third of the semester that hasn't yet been tested. Not only have we not assessed your knowledge yet on the material introduced in the final third of the semester, we hadn't reviewed it until these review questions were posted. It is obviously more important to review material that we haven't yet gone over in this way, and you should already be more familiar with the information from the first two thirds of the semester. In preparing for the final, you could look at these review questions and also go back and look at the midterm reviews. That way you will get an even more balanced preparation for the most recent material and the older stuff. The review sessions on Sunday will concentrate on these questions, but if you have any about the midterm reviews, you can bring those up too. Colin Potts

(I) There is a problem with the Domain Name Server (DNS).

(II) Large websites don't have all their information stored as HTML pages, but rather as data in databases, because this is more efficient. Amazon.com, for example, has information about price, number of pages, etc. for all its books stored in a database. When someone looks up a particular book, a program is run (a PHP program, for example) that goes into the database and generates an HTML pages with that data, then displays it for the user. After the user leaves, the HTML page goes away, but the data stays in the database. This is what allows large sites to function efficiently even when recieveing large amounts of traffic.

David Poore
That's right, you might also want to mention that when the database is broken, the html page can't be generated which is why doesn't display the webpage. - Bobby Mathew



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