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BCS EXAM QUESTIONS AND ANSWERS
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BCS EXAM QUESTIONS AND ANSWERS
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BCS EXAM QUESTIONS AND ANSWERSWhat is Requirements Engineering? - Answers -Numerous case studies of projects that
have failed due to software development
mainly fail because of requirements lack of being defined properly
it is a sub-discipline of business analysis
"offers a means of addressing problems in order to obtain, define and validate and
manage good fit for purpose requirements"
What is a Requirement? - Answers -A Feature which business staff need a system
(Business) or IT to provide"
International Institute of Business Analysis IIBA: 1) A requirement is a viable
representation of a need 2) Requirements focus on understanding what kind of value
can be delivered if fulfilled 3) The nature of the representation may be a document but
can vary widely depending on circumstances.
A requirement encompasses many perspectives, so a definition can be extended to
include A statement of need, which can be legal or contractual A condition that must be
satisfied to solve a problem or achieve an objective A function that a system performs A
constraint (business, user , system or project)
What are Requirements Derived from? - Answers -Requirements must be derived from
what is required to fulfil business aims and objectives which is understood in a business
context then linked back to the project context.
Characteristics of a good Requirement - Answers -If Requirements are:
1. Clear
2. Concise
3. Correct
A business problem or objective based on requirements will meet the needs and
expectations of business stakeholders.
What happens if requirements don't meet the needs of stakeholders? - Answers -Not
meet the business needs
require significant changes
not be used effectively
What characteristics should a well-defined requirement meet? - Answers
-Singular/atomic
non-conflicting
unique
not overlapping
relevant
prioritised
achieve-able
complete
, testable
clear and concise
traceable
consistent
unambiguous
understandable
solve the problem
What is a Functional Requirement - Answers -Functional Requirements of what a
system is required to do
What are the Requirements for? - Answers -Set the scope for subsequent pieces of
work; other critical uses and purposes are:
To give stakeholders a chance to say what they want, have it formally documented.
measure the progress and realisation of benefits completed or outstanding tasks
to accept a project against criteria, acceptance criteria are defined as a part of each
requirement, which defines whether a solution is acceptable.
Who are the requirements for? - Answers -there are several categories of stakeholders
that are concerned with a project, defining requirements for a solution
Key Stakeholder groups:
Users
Developers
Project Sponsor- internal customer may use the requirements
Customer
Business Analyst
Product manager
test analyst
What is Requirements Engineering? - Answers -developed as a discipline to improve
the rigour and quality of requirements
There are 8 Key Characteristics
Framework - elicitation is concerned with obtaining requirements, and analysis is about
examining and improving the quality
Responsibilities of key stakeholders: requirements engineering defines a set of
important roles associated with responsibilities that must be fulfilled
Link to Business context - all requirements must be applicable in a business context.
Relevant requirements documentation - when using a linear approach for example the
waterfall method, requirements documentation is organised and structured to ensure
that the requirements are defined clearly when using iterative (Agile) just enough is
produced
Testable requirements - requirements should be defined/tested to ensure met where it
is not possible requirement has not been understood.
Requirements traceability - should be maintained so the project team can trace where
requirements originated, when and why they change and what happened when using an
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