State management
You have to store user data of 200 KB in an object.
Which state management technique to use:

A.
Server session

B.
Cookie

C.
ViewState

D.
Hidden Field

Explanation:
Server session. Because each 40kb adds 1-2 seconds user to wait with his cabel modem connection
http://msdn.microsoft.com/en-us/library/75x4ha6s.aspx