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ISDS d questions and answers certified 2024
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ISDS d questions and answers certified 2024
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ISDS-406 Midterm - SaveTrue or False? The level of a data flow diagram is based on the number of
processes in the DFD. - correct answer ✔False, if a diagram has more than
one process, it's a DFD, which is why is called a Data Flow Diagram because
it basically maps out a process through multiple steps that explains more in
detail from start to end the way a process unfolds. If it has a single process,
labeled 0, it's a Context Diagram.
How are data stores depicted in the diagram? - correct answer ✔Data stores
show a repository of data that allows addition and retrieval of data. Data
stores usually have the shape of an open-ended rectangle and are usually
given a unique reference number, such as D1, D2, D3
What are the sections of a casual use case format? - correct answer ✔Basic
Information / Preconditions / Normal Course / Post Conditions / Exceptions
What is the difference between a casual use case and a fully dressed use
case? - correct answer ✔A fully dressed use case includes Alternative
Courses, Summary Inputs and Outputs, as well as Additional Use Case
Issues. While a casual use case is used when fewer details are needed.
What is a requirement? - correct answer ✔A statement of what the must do
or what characteristics it needs to have.
Define technical feasibility. - correct answer ✔The extent to which the
system can be successfully designed, developed, and installed by the IT
Group. It basically measures how well the proposed system solves the
problems stated by the customer.
Role of use cases - correct answer ✔Express and clarify user requirements;
,define the expected interaction between user and system.
What are the four phases in the Systems Development Life Cycle? - correct
answer ✔I. Planning Phase
II. Analysis Phase
III. Design Phase
VI. Implementation Phase
What is a BPM? - correct answer ✔Business Process Management. A
methodology used by organizations to continuously improve end-to-end
business processes
Waterfall Development - correct answer ✔The waterfall development was
first introduced by Dr.Winston W. Royce and it is a software development
process. Based upon the SDLC and assumes that a project phase has to be
completed before moving onto the next phase
Who is the leader of a project? - correct answer ✔Project Manage. The
leader of a project is normally NOT the project sponsor because the project
sponsor is typically the initiator of a need.
What are business requirements? - correct answer ✔What the system needs
to do in order to satisfy business user needs. It summarizes the features and
capabilities that need to be included.
What are the duties of the project manager? - correct answer ✔Select best
project methodology, develop a project work plan, establish the staffing plan,
create ways to coordinate and control the project
,What are the strengths of agile development? - correct answer ✔-Fast
delivery of results
-Works well in project with undefined or changing requirements
What are the weaknesses of agile development? - correct answer ✔-requires
discipline
requires high involvement of project sponsor
-significant users involvement is essential
-initial high learning curve
-works best in smaller projects
-more coordination required because analysts/designers/users all work
together in every iteration
What is CASE? - correct answer ✔Computer-Aided Software Engineering is
used during the analysis phase to create integrated diagrams of the system
and to store information regarding the system components, also automates all
or part of the development process.
All of the following are tangible benefits to a system except?
a) increased sales
b)reduced staff
c)better supplier relations
d)reductions in inventory
e)better supplier prices - correct answer ✔c) better supplier relations is a
intangible benefit.
, Which of the following is true about the roles of project manager and systems
analyst?
a. They can be the same person, but often are not (especially in larger
organizations)
b. They are always the same person
c. They should never be the same person - correct answer ✔a. They can be
the same person, but often are not (especially in larger organizations)
Which of the following statements about the waterfall methodology is true?
(Hint: We are using the Waterfall methodology for the case project in this
course)
a. The waterfall methodology moves sequentially from planning, to analysis, to
design, to implementation.
b. The waterfall methodology is iterative (i.e., cyclical) -- several rounds of
planning, analysis, design, and implementation occur.
c. The waterfall methodology is useful when organizations want to quickly
develop a working prototype. - correct answer ✔a. The waterfall
methodology moves sequentially from planning, to analysis, to design, to
implementation. Correct
Which of the following is NOT one of the project methodologies explained in
Chapter 2?
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