Sun Certified Enterprise Architect for J2EE Technology Study Guide is the first Sun authorized prep guide for the tough Sun Certified Enterprise Architect for Java 2 Platform, Enterprise Edition Technology exams. Written by the exam's lead developers and assessors, it covers key J2EE architectural issues, exam objectives, and every exam element: multiple-choice, project, and essay. Coverage includes requirements, design patterns, legacy connectivity, messaging, EJBs, security, scalability, internationalization, and much more....