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ISDS 406 d questions and answers already passed 2024
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ISDS 406 d questions and answers already passed 2024
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ISDS 406Definition of System Development Life Cycle (SDLC) - correct answer
✔SDLC is the process of determining how an information system (IS) can
support business needs, designing the systems, building it and delivering it to
the users.
Systems Analyst - correct answer ✔Who analyzes the business situation,
identifies the opportunities for improvements, and designs an information
systems to implements the improvements.
Systems Analyst will work as a team with s variety of people including
business and technical experts.
Systems Analyst Skills - correct answer ✔Technical (understand the
organization's existing technical environment, the new system's technology
foundation, and the way in which both can be fit into an integrated technical
solution), Business (understand how IT can be applied to business situations
and to ensure that the IT delivers real business value), Analytical,
Interpersonal (need to communicate effectively, one-on-one with users and
business managers and with programmers, management and ethical.
Waterfall Development - correct answer ✔Strengths:
*** System requirements identified long before construction begins.
*** Requirements are "frozen" as project proceeds - no moving targets
allowed.
Weaknesses:
*** Must wait a long time before there is "visible" evidence of the new system.
*** Takes a long time from start to finish.
, Parallel Methodology Assessment - correct answer ✔Strengths:
*** Reduces overall project time (compared to Waterfall).
*** Reduces the need for rework; with shorter time frame, less chance of
requirements changing.
Weaknesses:
*** Creating subprojects requires careful design decisions.
*** Integrating subprojects at the end can be complex and difficult.
V-model - correct answer ✔Strengths:
*** Simple and straightforward.
*** Quality improves through the emphasis on testing.
*** Including Quality Assurance expertise early in the project strengthens
system quality.
Weaknesses:
*** Rigid.
*** Difficult to use in a dynamic business environment.
RAD Approach: Iterative Development (A series of versions developed
sequentially) - correct answer ✔Strengths:
*** Users get a system to use quickly.
*** Users identify additional needs for later versions based on real
experiences with current version.
Weaknesses:
*** Users faced with using an incomplete system for a time.
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