A developer is writing a Web service method that needs to accept multiple types of requests. Based on the request’s content, the service performs time-consuming steps, such as verifying the user’s account, checking credit ratings, and building a list of offers. Which two approaches are appropriate to use in this situation? (Choose two.)
A.
A synchronous, document-style approach.
B.
A synchronous, procedure-style approach.
C.
An asynchronous, document-style approach.
D.
An asynchronous, procedure-style approach.
E.
HTTP and HTTPS.
F.
SMTP or other asynchronous protocol.