Which test technique uses the requirements specifications as a test basis?

The black-box testing technique is designed to evaluate the functionality of a software application without delving into its internal structures or workings. It relies on the requirements specifications, which define what the software is supposed to do from the user's perspective. By using these specifications, testers can identify test cases that correspond to the expected behaviors and outputs of the system.

In black-box testing, the focus is on input and output rather than the implementation details, making it an effective way to ensure that all functional requirements are satisfied. This approach allows for validation against user needs, ensuring that the system behaves as intended when subjected to various input conditions outlined in the requirements documentation.

Given that the question specifically asks which test technique utilizes the requirements specifications as the basis for testing, it is clear why black-box testing fits this criterion perfectly, highlighting its role in verifying that the software meets its specified user requirements.