Which of the following verification and validation techniques is used to verify that the completed...

Functional configuration audits are used to verify that the completed requirements and designs conform to their requirements specifications. These audits involve checking that the developed product meets all the specified requirements and that the design has been implemented correctly. This process ensures that the final product aligns with the original requirements and design specifications, maintaining consistency and quality.References:

IEEE Std 828-2012, IEEE Standard for Configuration Management in Systems and Software Engineering.

ISO/IEC/IEEE 29148:2011, Systems and software engineering - Life cycle processes - Requirements engineering.