Which function does Simple Object Access Protocol (SOAP) provide when using Web services?

Which function does Simple Object Access Protocol (SOAP) provide when using Web
services?

A.
directory of registered Web services

B.
communications protocol

C.
security model

D.
model for describing Web services

Explanation:
SOAP, originally defined as Simple Object Access Protocol, is a protocol specification for
exchanging structured information in the implementation of web services in computer
networks. It relies on XML Information Set for its message format, and usually relies on other
application layer protocols, most notably Hypertext Transfer Protocol (HTTP) or Simple Mail
Transfer Protocol (SMTP), for message negotiation and transmission.