The cloud service consumer sends its authentication ___________________ to the security broker. After successful authentication, the security broker responds with an authentication __________________ with which the cloud service consumer can access other cloud services. This describes how the __________________ security mechanism works. Select the correct answer.
Select an option, then click Submit answer.
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token, acknowledgement certificate, certificate authority
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credentials, token, single sign-on
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certificate, message, certificate authority
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certificate, key, single sign-on