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Functional and Non-Functional Requirement Mcqs – Software Engineering

Functional Requirement

Any requirement which indicates what the system ought to do.

At the end of the day, a functional requirement will portray a specific conduct of capacity of the system when certain conditions are met, for instance: “Send email when another customer joins” or “Open another record”.

Non-Functional Requirement

Any requirement which indicates how the system plays out a specific capacity.

At the end of the day, a non-functional requirement will portray how a system ought to behave and what limits there are on its functionality.

Non-functional requirements by and large indicate the system’s quality traits or attributes, for instance: ” Modified information in a database ought to be refreshed for all clients getting to it inside 2 seconds.”

A non-functional requirement for the cup referenced beforehand would be: ” contain hot fluid without warming up to more than 45°C”.

 

Sample Mcqs

1. Which one of the following is a functional requirement ?
a) Maintainability
b) Portability
c) Robustness
d) None of the mentioned

2. Which one of the following is a requirement that fits in a developer’s module ?
a) Availability
b) Testability
c) Usability
d) Flexibility

3. “Consider a system where, a heat sensor detects an intrusion and alerts the security company.” What kind of a requirement the system is providing ?
a) Functional
b) Non-Functional
c) Known Requirement
d) None of the mentioned

4. Which of the following statements explains portability in non-functional requirements?
a) It is a degree to which software running on one platform can easily be converted to run on another platform
b) It cannot be enhanced by using languages, OS’ and tools that are universally available and standardized
c) The ability of the system to behave consistently in a user-acceptable manner when operating within the environment for which the system was intended
d) None of the mentioned

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5. Functional requirements capture the intended behavior of the system.
a) True
b) False

Answers

(1) D
(2) A
(3) A
(4) A
(5) A

6. Choose the incorrect statement with respect to Non-Functional Requirement(NFR).
a) Product-oriented Approach – Focus on system (or software) quality
b) Process-oriented Approach – Focus on how NFRs can be used in the design process
c) Quantitative Approach – Find measurable scales for the functionality attributes
d) Qualitative Approach – Study various relationships between quality goals

7. How many classification schemes have been developed for NFRs ?
a) Two
b) Three
c) Four
d) Five

8. According to components of FURPS+, which of the following does not belong to S ?
a) Testability
b) Speed Efficiency
c) Serviceability
d) Installability

10. What are the four dimensions of Dependability ?
a) Usability, Reliability, Security, Flexibility
b) Availability, Reliability, Maintainability, Security
c) Availability, Reliability, Security, Safety
d) Security, Safety, Testability, Usability

11. Choose the correct statement on how NFRs integrates with Rational Unified Process ?
a) System responds within 4 seconds on average to local user requests and changes in the environment
b) System responds within 4 seconds on average to remote user requests and changes in the environment
c) All of the mentioned
d) None of the mentioned

Answers

(6) C
(7) D
(8) B
(9) B
(10) C

 

 

 

 

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