Lecture 1A - Introduction to EA Flashcards
At a minimum, of which four architectural models should EA consist?
- Business Architecture
- Information Architecture
- Application Architecture
- Technology Architecture
What is meant by business architecture?
The business mission, strategy, line of business, organization structure, business process models etc.
What is meant by information architecture?
Defines what information needs to be made available to accomplish the mission, to whom and how.
*Also known as data architecture
What is meant by application architecture?
Focuses on the application portfolio required to support the business mission and information needs of the organization. At the next level of detail, it addresses the common business components and business services that can be leveraged by multiple applications.
*Also known as functional architecture
What is meant by Technology architecture?
Defines the technology services needed to support the application portfolio of the business. It also documents the software-, hardware-, and network product standards.
What are key questions in EA?
- What do we model?
- How do we model?
- Why do we model?
- Who is we?
In which 4 ways can you define Enterprise Architecture?
According to PWC
- Enterprise Architecture as a discipline
- Enterprise Architecture as a set of deliverables
- Enterprise Architecture as a depiction
- Enterprise Architecture as a management practice
What is meant with Enterprise Architecture as a discipline?
It is a discipline for systematically understanding, planning, aligning and enabling relationships among strategy, business capabilities, information and technology.
What is meant by EA as a set of deliverables?
It documents direction and standards on how the organization should be designed and transformed to achieve a desired outcome. These are then used to govern enterprise transformation.
What is meant by EA as a depiction?
EA is a set of integrated models at appropriate levels of abstraction that represent the current and/or future functioning of the organization.
What is meant by EA as management practice?
EAM establishes, maintains and uses a coherent set of guidelines, architecture principles and governance regimes that provide direction for and practical help with the design and the development of an enterprise’s architecture in order to achieve its vision and strategy.
Which five core components comprise an EA?
- As-is
- To-be
- Migration plan
- Principles
- Decision logs
What is As-is in EA?
The current state assessment of the organization
What is To-be in EA?
The future state and, generally, the main focus of an EA assignment.
What is a migration plan in EA?
The route to go from the As-is to the To-be