EAT810S - ENTERPRISE ARCHITECTURE - 2ND OPP - JULY 2024


EAT810S - ENTERPRISE ARCHITECTURE - 2ND OPP - JULY 2024



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nAmlBIA UnlVERSITY
OF SCIEnCE Ano TECHnOLOGY
FACULTY OF COMPUTING AND INFORMATICS
DEPARTMENT OF INFORMATICS
QUALIFICATION: Bachelor of Informatics Honours (Business Informatics)
QUALIFICATION CODE: 08BIBH LEVEL: 8
COURSECODE: EAT810S
COURSENAME: Enterprise Architecture
SESSION:JULY2024
DURATION: 3 HOURS
PAPER: PAPER1
MARKS: 70
SECOND OPPORTUNITY/SUPPLEMENTARY EXAMINATION QUESTION PAPER
EXAMINER($) Dr lrja Shaanika
MODERATOR: Dr Monica Nehemia
INSTRUCTIONS
1. Answer ALL the questions.
2. When writing, take the following into account: The style should
inform than impress, paragraphs set out according to ideas or issues
and paragraphs flowing in a logical order.
3. Information should be brief and accurate.
4. Please ensure that your writing is legible, neat, and presentable
THIS QUESTION PAPERCONSISTSOF 6 PAGES(Including this front page)

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Section A: Multiple Choice Questions
[10 marks]
1. Which of the below domains can be considered as business enabling?
A. Business, Application, Data
B. Data, Application, Technical
C. Infrastructure, Application, Security
D. Business, Information, Infrastructure
[1 mark]
2. The ever-increasing role of IT for organisations, as well as for the society as a whole, has
become generally known as:
[1 mark]
A. Digital transformation
B. Enterprise Architecture
C. 4th Industrialization
D. Virtually Unlimited
3. Which one is valid about the temporary EA artifacts?
A. They live and evolve together with an organisation.
B. They are created once and then updated when necessary
C. They are transitory, single-purposed.
D. After they are developed they are constantly used
[1 mark]
4. _______
Encompasses all routine tasks, operating procedures and associated
regulations, as well as information requirements, decision-making rights and the degree
of autonomy of their performers.
[1 mark]
A. Technology aspect
B. Process aspect
C. People aspect
D. Management aspect
5. Which of the following actions is NOT part of addressing the people aspect when
introducing a new high-impact technology.
[1 mark]
A. Explaining the benefits of using the new IT system and coping with resistance
B. Dealing with political and power redistribution issues associated with the new IT
system.
C. Modifying attitudes and cultural prejudices regarding the new IT system.
D. Modifying the tasks of the existing processes affected by the new IT system.
6. Which of the following is incorrect about information contents of Enterprise Architecture
artifacts.
[1 mark]
A. EA artifacts can have different representation formats
B. EA artifacts can provide different levels of detail.
C. EA Artifacts can cover similar organisational scopes.
D. EA artifacts can describe different domains of enterprise architecture
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7. An understanding of organizational culture is important during the process of Enterprise
Architecture development because it:
[1 mark]
A. Helps in understanding the stakeholders to gain their support and manage
expectations of the EA program
B. Does not reflect the current and the future views of the organization
C. Represent the formal system of work roles that reflect how employees and managers
interact with each other
D. It reflects authority relationships in the organization
8. Companies in------------------ usually increase accessto shared data by introducing data
warehouses, but transaction data is still embedded in individual applications. [1 mark]
A. Standardized Technology architecture
B. Business Modularity Architecture
C. Optimised core architecture
D. Business Silos architecture
9. ______
Is not an EA component at the data and information level.
A. Service bus and middleware
B. Knowledge warehouses
C. Information systems
D. Databases
[1 mark]
10. An understanding of organizational structure is important during the process of
Enterprise Architecture development because it
[1 marl<]
A. Helps in understanding the stakeholders to gain their support and manage
expectations of the EA program
B. It reflects the current and the future views of the organization
C. Represent the format system of work rotes that reflect how employees and
managers interact with each other
D. It reflects how applications are developed in the organization
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Section B: True and False Questions
[10 marks]
1. Firms that listen to their customers are more lil<ely to be able to counteract the
onslaught of potentially disruptive technologies.
[1 mark]
2. Governance of the key assets does NOT occur through a large number of organisational
mechanisms.
[1 mark]
3. One way companies respond to conflicting demands is to adopt different operating models
at different organizational levels.
[1 mark]
4. Enterprise Architecture domains collaborate in their activities and deliverables.
[1 mark]
5. Coordination is one of the dimensions of the operating model.
[1 mark]
6. Companies moving into business modularity have digitized their core business processes
and have access to the critical customer and product data they need to develop new
products and services.
[1 mark]
7. Standardized Technology Architecture is the stage of enterprise architecture maturity
where companies look to maximize individual business unit needs or functional needs.
[1 mark]
8. Technicalrequirements are based on the businessprocessesand activities which are meant
to support and enable competitive advantage.
[1 mark]
9. Moving from one maturity stage to another involves the benefits of reduced IT
operating costs to greater strategic agility.
[1 mark]
10. The general idea of using Enterprise Architecture artefacts for improving
communication between business and IT stakeholders is industry-specific and not
widely applicable to most organisations globally.
[1 mark]
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Section C: Structured Questions.
[50 marks)
Question 1: Discuss how organisations can use their IT systems to achieve competitive
advantage in the following areas:
[6 marks)
a) Operational excellence and cost leadership
b) Product differentiation and leadership
c) Customer intimacy and focus
Question 2: Discuss people, processes and technology as the aspects of organizations
that are relevant to IS/IT systems.
[6 marks)
Question 3: Differentiate between Information Systems and Information Technology as
two main computing components.
[4 marks)
Question 4: What are the implications of misunderstanding and confusion between
Information Systems and Information Technology to the computing environments?
[4 marks)
Question 5: The domains of Enterprise Architecture are interdependent and influence
each other during the processes of development, implementation, and practice.
Discuss the interdependence of the domains as depicted in the diagram below.
[8 marks]
Enterprise Business
Architecture
Enterprise Information
Architecture
Enterprise Technical
Architecture
Enterprise Application
Architecture
Question 6: What are the common elements constituting organisational business
strategy? Mention five.
[6 marks )
Question 7: Data sharing across business units has both advantages and
disadvantages for organizations. Discuss the advantages and disadvantages.
[4 marks]
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Question 8: There are many facts about what Enterprise Architecture is not. Based on
the two statements below: discuss why enterprise architecture should not be viewed
as:
[4 marks]
a. Not an Enterprise Engineering
[2 marks]
b. Not an Implementation of Enterprise Architecture Frameworks
[2 marks]
Question 9: With reference to the diagram below, discuss the utilisation and IT
investments in local applications as the organisations advance through the four
architecture maturity stages.
(8 marks]
Architecture maturity-------------
Business
Standardized
Optimized
SIios
Technology
Corn
100%
25%
16%
36%
---- ------ i,,----------
32%
21%
- 18% ----
1,
35%
'
40%
35%
0%
11%
14%
48%
17%
34%
THE END
Business
Modularity
15%
34%
Local
applications
Enterprise
systems
33%
Shared
infrastructure
18%
6%
Shared data
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