QA · Mid-level · Theory

A checkout form has four payment methods, three delivery methods, five regions, and a "have a promo code" checkbox. Testing every combination exhaustively takes too long. How would you reduce the test set, and what are you risking by doing that?

~4 min by voice

How to approach it

This checks whether the candidate knows combinatorial test design techniques: whether they can justifiably reduce exhaustive testing with pairwise, honestly name what's lost in the process, and explain how to compensate for the risk.

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Topics

test design pairwise

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Answer by voice

The interviewer will ask this question and listen. Think out loud and ask for a hint if you need one. When you're done, pause or tap “That's my answer”. In about a minute, your score and the points you covered show up here.

Best with headphones · ~4 min