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I'd like a multiple-choice question on [e.g. black-box testing techniques], please.

Give me a real-world example of using [specific technique, e.g., 'boundary value analysis'] in testing.

I'm struggling to understand [specific term, e.g., 'equivalence partitioning']. Can you break it down for me?

Can you explain the concept of [specific concept, e.g., 'test doubles'] and how it's used in software testing?