Hoofdstuk 2

Question 1

Where would you place EA on the chart with dimensions ORG level and scope?

Answer 1

• org level CxO (compared to operational)
• scope: large

Question 2

What is the defintion of enterprise architecture?

Answer 2

A coherent whole of principles, methods and models that are used in the design and realisation of an enterprise’s organisational structure, goals, business processes, information systems and infrastructure

Question 3

Between what parts of an organisation does an enterprise architecture show connections between?

Answer 3

Shows connections between processes, data, applications and technology.

Question 4

What is a project start architecture?

Answer 4

Project start architecture sets the boundaries of a project. It inherits and if needed, translates the prescription from the EA and possible DA.

Question 5

What is a Project Architecture?

Answer 5

The PA consists of the essential design elements of a specific project solution and their guiding principles. In other worlds, a PA is the design of the fundamental elements of an IT-system and the core business processes that it will support, adhering to the relevant EA and DA prescriptions.

Question 6

Why is there sometimes resistance against EA?

Answer 6

Costs come before benefits.

Question 7

What is a view?

Answer 7

A view is a representation of a model from a stakeholder’s set of concerns. Focus on concerns of the stakeholder, using appropriate notation and leaving out unnecessary details.

Question 8

What is a viewpoint?

Answer 8

Specification of a particular stakeholder’s view
- Which notation?
- What doe we focus on?

It is a specification on how to create views.

Question 9

What is the difference between a view and a visualisation?

Answer 9

A visualisation is a presentation of the content of a view. Layout, colours, boxes arrows, tet etcetera. A view can have multiple visualisations.

Question 10

What are internal drivers for enterprise alignment?

Answer 10

• governance: in control
• risk management
• compliance to own regulation
• business and IT alignment

Question 11

What are external drivers?

Answer 11

• legal compliance

Question 12

What are the four quadrants for considering alignment types?

Answer 12

• Business strategy
• it strategy
• business operations
• it operations

Question 13

Which alignment type is Strategy Execution?

Answer 13

BS -> BO -> ITO

Question 14

Which alignment type is Technology Transformation?

Answer 14

BS -> ITS -> ITO

Question 15

Which alignment type is Competitive Potential?

Answer 15

ITS -> BS -> BO

Question 16

Which alignment type is Service Level?

Answer 16

ITS -> ITO -> BO

Question 17

What does Strategy Execution tell you about Enterprise Architecture?

Answer 17

None or limited

Question 18

What does Technology Transformation tell you about Enterprise Architecture?

Answer 18

EA is important

Question 19

What does Competitive Potential tell you about EA?

Answer 19

EA is mandatory

Question 20

What does Service Level alignment tell you about EA?

Answer 20

EA is important, IT driven

Question 21

What kind of alignment deeded for DX?

Answer 21

Competitive Potential, however BITA model has no ecosystem focus or focus on business model

Question 22

Why is the chosen operating model important for EA?

Answer 22

EA should be aligned with the chosen operating models

Question 23

Why is it important to adopt an operating model?

Answer 23

In adopting an operating model, a company benefits from a paradox: Standardisation leads to flexibility.

Question 24

What are advantages and disadvantages of the IEE Standard Enterprise architecture framework?

Answer 24

Advantages
- Flexible
- Stakeholder focus
- Can be easily integrated into broader corporate frameworks.
- Compliance
Disadvantages
- Abstract, high level
- No specific guidance

Question 25

What are the advantages and disadvantes for Kruchten 4 + 1?

Answer 25

Advantages - Stakeholder focus - Easier to understand someone's perspective on a situation - Particularly useful for software projects Disadvantages - Not described how to make the views - Complex to manage each view

Question 26

What are the views in Kruchten 4 + 1?

Answer 26

Different views allow various stakeholders to focus on a particular perspective. However, there is no description on how to make a view. - Use case view - Logical View - Development View - Deployment View - Process View

Question 27

In Zachmann, views are specified according to ...?

Answer 27

Product abstractions - Data, functions, network, who, when, why Roles in the design process - Planner, Owner Users

Question 28

What are the advantages and disadvantages of Zachmann?

Answer 28

Advantages - Enterprise-wide view of the entire organisation - Complex organisations with diverse needs - Detailed, structured taxonomy Disadvantages - Does not allow to model interaction between different parts - Resource intensive due to complexity - Does not guide on how to create and manage - Daunting for new users

Question 29

What are the advantages and disadvantages of TOGAF?

Answer 29

Advantages - Detailed methodology - Flexible - Provides both the what and the how - Has a TOGAF Architecture Development (each step is based on requirements management) Disadvantages - Complex - Focus on enterprise IT architecture

Question 30

What are the advantages and disdvantages of model driven architecture?

Answer 30

Computation independent model -> platform independent model -> Platform specific model Enterprise, System, Technology model (from zachmann) Advantages - Automatic code generation from models (less error) - PIM allows for easy translations to PSM Disadvantages: - Focus on IT - Creating comprehensive and detailed models that can be effectively converted into functioning systems requires significant expertise in both the domain and the MDA tools.