Which of the following actions should you take FIRST?

You are employed as a developer at ABC.com. ABC.com has an Active Directory domain, named ABC.com.
You develop an internal network portal for ABC.com that makes use of a current Microsoft SQL
Server database for retrieving and storing work profile data. You are required to make sure that
end users have the ability to modify their profile with pertinent data.
You have configured an external content type using the WCF Service Connector.
You want to configure authentication for the external content type in the production environment.
Which of the following actions should you take FIRST?

A.
You should consider ending the Business Data Connectivity service.

B.
You should consider initializing the Business Data Connectivity service.

C.
You should consider creating a Secure Store Service application.

D.
You should consider granting users the necessary user rights.

Explanation: