Question:How does the session data store in computer? 

Session data can be stored in four ways: 
1. Within flat failes (files), 
2. Within volatile memory (mm), 
3. Using the SQLite database (sqlite), or 
4. Through user-defined functions (user).

Question:Why HTTP is called stateless protocol? 

HTTP is called stateless protocol because each request is processed without any knowledge of any prior or future requests.

Question:How many ways session handling can be done? 

Session handling can be handled with the following:

 1. Use of cookies : the practice of storing bits of information on the client's machine.
 2. Use of session ID(SID) : Assigning each site visitor a unique identifying attribute.

Question:What is the difference between characters \034 and \x34? 

\034 is octal 34 and \x34 is hex 34.