CPSA Quality Attributes and Scenarios 2

Question 1

In iSAQB, which component of a quality scenario describes what triggers the quality-relevant event?

Accepted Answer

Stimulus source

Answer

The stimulus source identifies the actor or entity that initiates the stimulus in a quality scenario.

Question 2

A system must handle 500 concurrent users with response time under 2 seconds at peak load. Which quality attribute does this PRIMARILY address?

Accepted Answer

Performance efficiency

Answer

Performance efficiency covers response time and resource usage under specified load conditions.

Question 3

Which quality attribute is MOST concerned with how easily a system can be moved from one environment to another?

Accepted Answer

Portability

Answer

Portability (ISO 25010) addresses the ease of transferring a system to different hardware, software, or operational environments.

Question 4

When two quality attributes conflict, what is the RECOMMENDED approach for an architect?

Accepted Answer

Make the conflict explicit and let stakeholders decide based on business priorities

Answer

Architects must surface trade-offs transparently so stakeholders can make informed prioritization decisions.

Question 5

The 'response measure' part of a quality scenario defines:

Accepted Answer

The quantifiable criterion used to evaluate whether the system met the quality goal

Answer

The response measure provides a testable, quantitative or qualitative criterion for assessing the system's quality response.

CPSA Exam Practice Test