Hi Atif,
Its very difficult to say one is prepared for the exam. As extensive mocks are not available general fear is there before exam. Dont get in to tensions. Dont worry about time as sufficient time is available. Try to read as much as possible in to UML, EJB, Design Patterns.
Best of Luck.
Regards
Narayanan
SCJP2, SCEA (Part 1)