This week's book giveaway is in the OCMJEA forum. We're giving away four copies of OCM Java EE 6 Enterprise Architect Exam Guide and have Paul Allen & Joseph Bambara on-line! See this thread for details.
You will probably have to know the 1.2 version. I don't think there are going to be questions like "what is the diff between 1.1. and 1.2 with respect to..." The text PROFESSIONAL JSP, 2nd ed. says that the new features with 1.2 are the new IterationTag which makes it easier for custom tags to iterate over their contents, and a two new validator classes that allow tags to self validate in a custom fashion...
Tony Alicea Senior Java Web Application Developer, SCPJ2, SCWCD
The only caution I would give here is ensure you know the depricated methods and members in JSP 1.2. If Sun follows suit with the SCJP exam, a depricated method or member could be listed but, isn't one of the correct answers!