How do you handle dependencies in unit testing?

Short answer: Use mocking or stubbing frameworks (e.g., Moq, NSubstitute) to replace real dependencies with controlled test doubles, allowing tests to focus on the unit under test.

Say this in the interview

1. Define — one clear sentence (the short answer above).
2. Example — relate it to a project like ShopNest or your real work.
3. Trade-off — when you would not use it.