Oracle/Sun has added a new certification Sun Certified JSP and Servlet Developer for the Java EE6 Platform.

It is a beta exam which costs $50 and has 215 questions (oh my god!)

The exam topics are

1. The Servlet Technology Model
2. The Structure and Deployment of Web Applications
3. The Web Container Model
4. Session Management
5. Web Application Security
6. The JavaServer Pages (JSP) Technology Model
7. Building JSP Pages Using the Expression Language (EL)
8. Building JSP Pages Using Standard Actions
9. Building JSP Pages Using Tag Libraries
10. Building a Custom Tag Library
11. Java EE Patterns

You would find some helpful tests at Skill-guru to clear this certification. These tests are

Servlets and JSP interview questions

Design Patterns quiz