Respuesta :
Answer:
a. WS-Trust
Explanation:
WS-Trust can be defined as a WS-specification as well as OASIS standard that help to provides extensions to WS-Security, in order to facilitate a mechanism for issuing, renewing, as well as validating of security tokens which is why the aim and objectives of WS-Trust is to help and enable applications to construct trusted SOAP message exchanges.
Nevertheless WS-Trust enables the issuance as well as the dissemination of credentials within several and various trust domains.
A web service using the WS-Trust can be used for implementing the standards that encode the WS security to facilitate the mechanisms for issuing and reviewing the security tokens.
- Hence e the option A is correct. The WS security token service is a service based on the mechanisms of the key exchange.
Learn more about the following enhances WS-Security to facilitate.
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