To Lecture Notes

IT130 Notes -- 6/3/09

Review Questions

1. Give some of the places where base-64 encoding is used with ASP.Net.
   Ans: Representing encrypted data, data sent back to the server in the VIEWSTATE hidden field, binary data in .Net resource files.
    
2. What does SHA mean?
   Ans: Shared Hash Algorthm.
    
3. How are hashing algorithms used?
   Ans: Encrypting passwords, digital signatures.
    
4. Explain how these controls differ from an ordinary button:
    
   
   LinkButton   ImageButton   ImageMap

Ans: A LinkButton looks like an HTML hyperlink instead of a usual button. An ImageButton looks like an image. Both the LinkButton and the ImageButton have a PostBackUrl property that determines the target URL to change pages.
 
5. What are cookies?
   Ans: They are pieces of data that are stored on the users harddrive in the same folder as the temporary internet files.

Review for Final

• Go over the Final Review Guide and Final Review Questions on the Exam Info Page.