To Lecture Notes

IT 230 -- 4/6/09

Review Questions

1. Match the levels to the name and protocol:
    
   

   Layer	Name	Protocol
   6	Presentation	NetBios
   7	Application	ASCII
   4	Transport	DSL
   3	Network	HTTP
   1	Physical	IP
   5	Session	Ethernet 802.3
   2	Data Link	TCP

   
    
   
2. What are these telecommuncations devices and at which OSI Levels do they operate?
   
   Hub   Switch   Router
   Ans: See the bottom of The OSI Seven Layer Model page.
    
3. How do you determine the IP address of your machine?
   Ans: Enter the command ipconfig in a Command Prompt Window.
    
4. How do you determine the IP address corresponding to an HTTP URL?
   Ans: Enter ping and the URL for which you want to know the IP address in a Command Prompt Window.
    
5. How do you determine the TCP/IP addresses of the currently active connections to your machine?
   Ans: Enter the command netstat -n in a Command Prompt Window.
    

Moving Web Pages over the Internet, Continued

• Using HTTP for Client-to-server Communication

C# Examples

• Look at Examples 4 to 7.

Using Visual Studio

• Using Visual Studio with ASP.Net

Project Proj2

• Look at Project Proj2. Use Examples 12 (temperature-descriptors1.aspx) and 17 (flintstones.aspx) to help you.