Which protocol is used by Active Directory for service-to-service authentication using tickets?
A CISSP practice question covering Domain 5: Identity and Access Management (IAM). Try answering before reading the explanation below.
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Why "Kerberos" is the right answer
Kerberos is the default AD authentication protocol — tickets, KDC, AS, and TGS make up its components. LDAP is the directory query/update protocol. OAuth and SAML are web-federation standards.
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