I would have a goal of 85% or above on your practice
studies.
On the exam, you will be told how many choices to select
on checkbox type questions. That change was one of the
numerous content and format changes introduced
October 4, 2000 by Sun and Prometric. The most significant
change is the "code centric" view of the questions, and the
introduction of the exhibit button.
JCertify 4.0 was introduced 12/22/00 and incorporates the
changes made by Sun and Prometric on October 4, 2000.
http://www.enterprisedeveloper.com/jcertify Dave