How can the administrator meet the above requirements while authenticating the users?

Scenario: A Citrix Administrator needs to configure an authentication workflow on Citrix ADC with the below requirements.

All internal users must use their corporate credentials to authenticate.

Users from partner organizations must be authenticated using their own directory services without replication or a synchronization process.

How can the administrator meet the above requirements while authenticating the users?
A . Deploy SAML on Citrix ADC in the service provider (SP) role for users from partner organizations.
B . Create two LDAP and two SAML authentication policies on the authentication, authorization, and auditing (AAA) virtual server.
C . Configure nFactor authentication with two LDAP advanced policies and one SAML advanced policy.
D . Configure two dedicated AAA virtual servers for internal and partner users.

Answer: C