CT-AI: Certified Tester AI Testing Version 2.0

By ISTQB · Question Mode

QuestionQ15

Methods and Techniques for the Testing of AI-Based Systems

You are a test manager planning testing for an invoice-financing company. The company purchases unpaid invoices from businesses and gives them immediate cash.

The company is replacing its current conventional system, which uses company accounting records as inputs, with an ML system that classifies each sales invoice as one that should or should not be bought. Significant historical production data is available. It is important that invoices are not purchased incorrectly.

Which ONE of the following test techniques would be MOST appropriate to plan for system testing?

Explanation

Back-to-back testing executes the same inputs against the existing conventional system and the replacement ML system, then compares their results. The substantial historical production data and the existing system provide both a realistic input set and a practical pseudo-oracle for detecting unsafe invoice-purchase classifications.

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