The <connectivity> element of an HTTP adapter that is accessing a back-end RESTful service is
defined as follows:
Which additional element must be defined as part of the <connectivity> element?

A.
<serverIdentity> element, to define the user credentials

B.
<procedures> element, to declare the procedures for this adapter

C.
<context> element, to specify the path to the RESTful service and its query parameters

D.
<loadConstraints> element, to limit the number of concurrent connections to the back-end

Explanation: