Top 10 Questions and Answers to DeMystify Enterprise Architecture

What is Enterprise Architecture (EA)? How long has EA been around? How do you cost justify EA? Where should EA reside in the organization? Who is the audience for EA? When do I need to do EA? Why should an organization do EA? What is an EA Framework? What is an EA Methodology? What does EA certification actually mean? What is the background required for a great Enterprise Architect? How do I start? To remove some confusion, some are calling REAL EA, Business Driven Enterprise Architecture.