Which of the following activities assesses the maturity of product or system design?

A critical design review (CDR) is an assessment of the product or system design's maturity, ensuring that it meets the specified requirements and is ready to proceed to the next development stage. It evaluates design performance, reliability, and readiness for production.

References:

INCOSE. (2015). Systems Engineering Handbook: A Guide for System Life Cycle Processes and Activities. Wiley.

NASA. (2016). Systems Engineering Handbook. NASA SP-2016-6105 Rev 2.