Thank you for all the reply.
The links page above and the servlet+jsp spec are the recommond.I take it most for the preparation.
To faiza haris,Implicit Variables are not so hard in the exam ,the concept of each is needed. Security refers to authentication and authorization most. The relative TLD elements are needed.
And yes, Standard JSP Tag Library is not in the exam.
At last, thank you for all the ranchers again. If possible, I could take the Architect Certification within 2 years.