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SOEN 342 Software Requirements Specifications Exam Pass Rate 77 OUT OF 80 = 96.25% actual Midterm Exam I Solutions Concordia University$13.49
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SOEN 342 Software Requirements Specifications Exam Pass Rate 77 OUT OF 80 =
96.25% actual Midterm Exam I Solutions Concordia University
, SOEN 342 – Page 2 of 13 – Midterm Exam I Solutions
(4pts) 1. Name four different types of non-functional requirements (NFRs) and provide a one-sentence
definition for each. 4 pts
1. NFR: Performance
Definition: The time required to respond to events or the number of events processed in
some interval of time.
2. NFR: Usability
Definition: The ease with which a user can learn to operate, prepare inputs for, and
interpret outputs of a system.
3. NFR: Maintainability
Definition: The ability to change the system to deal with new technology or to fix
defects.
4. NFR: Security
Definition: The system’s ability to resist unauthorized attempts at usage and denial of
service while still providing its services to legitimate users.
Solution. Above are some examples for correct solutions, but many other NFRs are correct as well.
Discussion. This question is about the classification of requirements into functional and non-
functional requirements and their corresponding definitions (covered in Lectures #1 and #6).
Marking. 1 mark for each correct NFR and corresponding definition. To qualify as cor- rect, you
must have (1) stated an actual NFR and (2) provided the correct definition for it. No marks
were given when the definition simply repeated the NFR (“Performance: Re- quirements about
performance”, “Security: Requirements about security” and so on). A few provided an example
for each NFR; but this was not asked: the question is about a definition of each NFR.
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