TOGAF 9 Foundation — Question 12

What concept does the Reference Architecture Level 2 introduce that is not included in Level 1?

Answer options

• A. Data flow between functional components
• B. The concept of Essential Attributes of data objects
• C. The concept of an event bus for the IT service backbone
• D. A formal notation

Correct answer: A

Explanation

The correct answer is A because Reference Architecture Level 2 introduces the concept of data flow between functional components, which is not addressed in Level 1. Options B, C, and D focus on different aspects that do not specifically pertain to the data flow concept, making them incorrect in this context.