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Acceptance Testing — Data Source

publish date: 2026/05/31 02:47:41.812962 UTC

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What makes acceptance testing distinct from earlier testing stages?

It is the only testing stage that checks component interfaces

It uses data supplied by the system customer rather than simulated test data

It focuses exclusively on non-functional requirements such as performance

It is performed only by an independent external testing team

Correct Answer

It uses data supplied by the system customer rather than simulated test data

Explanation

In acceptance testing, the system is tested with data supplied by the system customer rather than simulated test data. Real data exercises the system in different ways from test data and may reveal errors and omissions in the requirements definition.

Reference

Software Engineering, Ian Sommerville, 9th edition

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