SCWCD Exam topics are
The Servlet Technology Model Yes
The Structure and Deployment of Web Applications Yes
The Web Container Model Yes
Session Management Yes
Web Application Security Yes
The JavaServer Pages (JSP) Technology Model Yes
Building JSP Pages Using the Expression Language (EL) Yes
Building JSP Pages Using Standard Actions Yes
Building JSP Pages Using Tag Libraries Yes
Building a Custom Tag Library Yes
Java EE
Patterns
You can go one by one topic and study.
After study you can check your knowledge by topic wise attending some mock exam also.