ISDS 406 FINAL EXAM CSUF – QUESTIONS WITH
COMPLETE SOLUTIONS
What are the steps of the design phase? Right Ans - 1. Determine system
aqcuisition strategy (make, buy, outsource)
2. determine technical architecture for the system
3. address security concerns and globalization issues
4. make hardware and software selections
5.determine how users will interact with the system (interface, inputs,
outputs)
6. design the programs for the underlying processes.
7. design the way data will be stored
8. create final deliverable (system specification)
What are three acquisition strategies? Right Ans - make (custom
development), buy, outsource
what is the final deliverable? Right Ans - system specification
how do we choose an acquisition strategy? Right Ans - depends on what
firm wants
pros and cons of custom development strategy Right Ans - PROS: exactly
what you want, new system built consistently with existing tech, allow team
flexibility and creativity, unique solutions
CONS: time and effort consuming, may add to backlogs, requires skill, risk of
project failure.
Pros and cons of buying software development strategy Right Ans - PROS:
no need to reinvent the wheel, tested and proven product, time and cost
efficient, vendor expertise, some customization available
CONS: rarely a perfect fit, firm must adapt to process, reliance on vendor for
maintenance, may require system integration
pros and cons of outsource development Right Ans - PROS: hire expertise
we don't have, may save time and money, lower risk, consultants specialize in
system integration
, CONS: reliance on vendor, future options limited, security- potential loss of
confidential info, performance based on contract terms
What is an RFP and it's purpose? Right Ans - Request for proposal (RFP)
- solicits proposal from vendor, developer, or service provider and explains
the system to be built and criteria for selecting among applicants
What is an RFI and it's purpose? Right Ans - Request for information (RFI)
- a shorter and less detailed version of RFP
What is an RFQ and it's purpose? Right Ans - Request for quotation
-used when you just need a price
what is listed across the top row of an alternative matrix? Right Ans - the
different acquisition strategies
what is listed in the first column of an alternative matrix? Right Ans -
technical issues, criterion
how is the right alternative selected in a matrix? Right Ans - highest
weighted score
Architecture Design Right Ans - Plans for how the system will be
distributed across computers and what hardware and software will be used
for each computer.
what are the 2 major architectural components? Right Ans - hardware and
software
what are the 4 basic functions of software? Right Ans - 1. data storage
2. data access logic- processing required to access stored data
3. application logic- logic documented in the DFDs, use cases, and functional
requirements
4. presentation logic- display of info to user
what are the 3 primary hardware components? Right Ans - 1. client
computers: input/output devices employed by users
2. servers: large multi-user computers used to store software and data
3. network: connects the computers
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