Microsoft Exam Questions

What should you do?

You are an enterprise application developer. You are modifying an existing component that communicates with a single vendor. You need to ensure that the design meets the following requirements: Supports multiple vendors.Supports common business rules that are applicable to all vendors.Supports rules that are specific to each vendor.Supports addition of new vendors easily. What should you do?

A.
Create individual components for each vendor.

B.
Update the component to accept a constructor parameter that identifies the vendor.

C.
Update the component to accept a parameter on each method to identify the vendor.

D.
Update the component to use common rules in a base class and vendor-specific rules in derived classes.