The _ specification delineates specific measurable capabilities or parameters for which a product can be tested as part of the acceptance?

My interpretation of the question is this:

A Performance specification is used to define the outcome or desired deliverable eg a simple example would be in the case of the new boat's construction a top speed of 15knots. Providing the finished product achieves a trial test speed of 15 knots or greater it has met the performance requirement. The supplier/boat builder has the latitude to decide how he does this. Performance specification is outcome focused.

B Technical Specification defines the characteristic of the good or services that is to be included in the system eg a boats hull material. It will define the size, content, colour, material, etc. The supplier is required to provide exactly what is specified, except where an equivalent item is approved as an alternative by the client.

The main difference between the 2 different types of specification is, who is responsible for a system not meeting performance requirements. For example in relation to our boat the responsibility for not achieving top speed of 15 is the supplier when a performance specification is used, where as the when a Technical specification is used the supplier will always argue that the failure to meet performance requirements clients responsibility.

The client's challenge is deciding when to use performance specification and allow supplier to design product and when to use a technical specification and define the product to be supplied. Essentially this is a risk management exercise.

Option A is the correct answer.

Thank you for the invitation

Agreed with Option A

Of course it is Technical specification precisely described that tells us about the parameters for which a product can be tested as part of the acceptance tests or procedures and thanks for the invite.