For Web services, which of the following uses binary tokens for authentication, digital signatures for integrity, and content-level encryption for confidentiality? Web service interoperability (WS-I) Web services security (WS-Security) Web services description languages (WSDL) Web-Oriented architecture (WOA) Solution Web services security (WS-Security) The Web service is a software component or system designed to support an interoperable machine or application-oriented interaction over a network. The Web service has an interface described in a machine-processable format (specifically WSDL)..