The Amazon EC2 web service can be accessed using the _____ web services messaging
protocol. This interface is described by a Web Services Description Language (WSDL)
document.
A.
SOAP
B.
DCOM
C.
CORBA
D.
XML-RPC
Explanation:
http://docs.aws.amazon.com/AWSECommerceService/latest/DG/WSDLLocation.html