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Question 90 - CTAL-TTA discussion

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The requirements specification of a product begins with this sentence:

'The xyz system will provide many new user functions. These must be easy for our operators to use and tolerant of user input errors. These new functions must also be easy to learn. Because of very high transaction rates and limited processing power, the software design must be very efficient. The system must be available as close to 24x7 as possible.

Which three ISO 25010 major quality characteristics should be tested for possible defects with this implementation?

A.
Functional suitability, interoperability, learnability
Answers
A.
Functional suitability, interoperability, learnability
B.
Usability, fault tolerance, operability
Answers
B.
Usability, fault tolerance, operability
C.
Stability, security, accessibility
Answers
C.
Stability, security, accessibility
D.
Reliability, usability, performance efficiency
Answers
D.
Reliability, usability, performance efficiency
Suggested answer: D

Explanation:

The requirements specify a need for ease of use, high efficiency due to high transaction rates and limited processing power, and near-continuous availability. Therefore, the three ISO 25010 major quality characteristics most relevant are:

Usability: Ensures the system is easy to learn and use.

Performance Efficiency: Ensures the system manages its processing power and transaction rates efficiently.

Reliability: Ensures the system is available and functioning correctly as close to 24x7 as possible.

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asked 18/09/2024
xingrui li
36 questions
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