UPDATE!
Which of the following software development models can best respond to requirements changes?
Agile models
In which of the following software development models are the software development activities
performed sequentially rather than in iterations?
The Waterfall model
Which of the following are limitations of the waterfall model? Select three.
It is difficult to respond to requirements changes.
Misinterpretations of requirements or design can remain undetected until the later development
phases.
Integration issues may remain undetected until the last phase
Which is the right description about the requirement specification process?
Requirement specification is a process to identify and specify the problem to solve.
Question 2
Specifying requirements is difficult because (select three):
Terminology can be interpreted in multiple ways depending on the person or the context in which it was
used.
The client or end users might not be clear about what they want.
Software is intangible, which makes it difficult to comprehend and communicate.
Why is requirement specification important? Select two.
Repairing a bug in the requirements can cost thousands of times less than in the later phases of the
software development lifecycle.
Spending time upfront in requirement specification can save time in the later phases of the software
development lifecycle.
Which of the following are true about requirements and specifications? (Choose all that apply)
Specifications shall meet the requirements.
Requirements shall be written in the user's language; system specifications shall be written in the system
language.
, Requirements are for users; specifications are for developers.
The following are the requirements and specifications of an online banking service. Which of the
following can be categorized as (user) requirements? Select two.
The user shall be able to check the current balance of the checking accounts that he/she own.
A user shall be able to use the online banking system securely.
The following are requirements and specifications of an online banking service. Which of the following
can be categorized as system specifications? Select two.
Activate a login session when a user logs in, and maintain the session for 60 minutes unless the user who
logged in has been inactive for more than 120 seconds.
At the time a query is made to check the current balance of a checking account, the owner of the
checking account shall be logged in.
A constraint to only use Microsoft Project during the system development is a non-functional
requirement.
True.
Which of the following are non-functional requirements:
All of the above.( correct answer)
Some product requirements, like using a specific encryption protocol, are non-functional requirements.
Organization requirements imposed by the company, like a specific coding style, are non-functional
requirements.
External requirements imposed by external organization, like using a specific development style, are
non-functional requirements
WRSPM stands for:
World, Requirement, Specification, Program and Machine.
Looking at the difference between user requirements and system specifications in the ATM example,
we know that swiping the card and prompting for a PIN are requirements, while reading the card
details and a 4-digit PIN are specifications.
True.
The purpose of the WRSPM model is to ensure that:
Specifications meet the requirements.
A subsystem in an architecture must: