If the implementation but not the interface of a product API changes, what needs to be done to the other APIs that consume the product API?

In an application network.

If the implementation but not the interface of a product API changes, what needs to be done to the other APIs that consume the product API?
A . The applications associated with the other APIs must be restarted
B . The applications associated with the other APIs must be recoded
C . The other APIs must be updated to consume the updated product API
D . Nothing needs to be changed in the other APIs or their associated applications

Answer: D

Explanation:

Correct answer is Nothing needs to be changed in the other APIs or their associated applications This is the benefit of having separate interface layer. As there are no changes to interface, no changes are required on the API’s which consumes this API in context