1. I know there are currently 2 books covering EJB 3.0 , Mastering EJB's (Wiley) and EJB 3.0 (Oreilly), but which one is the best to prepare the exam?
I used MZ's note together with EnterpriseJavaBean 3.0 for the beta test
2. Are there already some mock exams available for SCBCD 5.0?
Seems like there are not much info about the mock exam, however, as Paul mentioned, Enthuware is working on their EJB+ update. Stay tune.
SCJP 1.2, OCP 9i DBA, SCWCD 1.3, SCJP 1.4 (SAI), SCJD 1.4, SCWCD 1.4 (Beta), ICED (IBM 287, IBM 484, IBM 486), SCMAD 1.0 (Beta), SCBCD 1.3, ICSD (IBM 288), ICDBA (IBM 700, IBM 701), SCDJWS, ICSD (IBM 348), OCP 10g DBA (Beta), SCJP 5.0 (Beta), SCJA 1.0 (Beta), MCP(70-270), SCBCD 5.0 (Beta), SCJP 6.0, SCEA for JEE5 (in progress)