Just passed SCWCD today (74%) in my second try (first 59%).
Having limited knowledge in servlets
(book knowledge and 3 month project testing
experience) and little in JSP
(less than 1 month), I still think this exam is easier than SCJP
because of the limited content.
Total preparation time (5 weeks, 1-3 hours per day), including 2-week retest waiting penalty.
Here're some of my advices:
1) Specs are most important source than any other books. Book content is much wider and you don't need 60% of them if you want to get certified first. Be sure to read the specs at least twice before taking the exam;
2) Remember all the EXACT(even the "-" in tag names) method and element names (type-in questions) in the objectives. For methods, only names (not parameters) are tested;
3) There're about 10 code sample questions on both of my exams;
4) Security and session management, about 4-5 each, Ken's note is quite enough;
5) Threading is the only tricky (maybe not for gurus) part; about 5 questions;
6) Design patterns
(4 questions) are relatively easy, be sure to know the situations where each of them should be used. The questions come in 2 types, a) given a business requirement and future enhancement, which pattern is best, b) the advantages of a certain pattern (multiple selections)
7) Tag library elements, there're lots of questions about them;
8) About 5 questions about using JavaBeans;
In general, Ken's note is very good as a summary of the key points, but you still need to review the specs in more details. Sun's $50 commercial test tool is good (got several questions very similiar) if you want to pay. I used Hunter's Servlet book as reference, too.
Thanks again to all Java
gurus, especially Ken, without this forum, rookies like me would have to take much more time to gather the information for this exam.