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Chapter 4 · Development TechnologyPractice
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CONCEPT PRACTICE

Software quality and reliability

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Volume 2 · Chapter 4 · Textbook Exercises · Q2

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Among the software quality characteristics defined by ISO/IEC 9126 (JIS X 0129-1), which of the following is an explanation of reliability?

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Source: FE Vol 2.pdf, PDF page 307, textbook p. 303 · Information-technology Promotion Agency, Japan · First Edition: April, 2015. ID: tb-v2-c4-q2. Publisher answer and commentary · private review.

Original question · Q2
Among the software quality characteristics defined by ISO/IEC 9126 (JIS X 0129-1), which 
of the following is an explanation of reliability?
a) The capability of the software product to maintain a specified level of performance 
when used under specified conditions
b) The capability of the software product to be understood, learned, used and attractive to 
the user, when used under specified conditions
c) The capability of the software product to provide functions which meet stated and 
implied needs when the software is used under specified conditions
d) The capability of the software product to provide appropriate performance, relative to 
the amount of resources used, under stated conditions

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