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Question :-

A Java EE application server has four different security realms for user management. One of the security realms is custom made. This realm supports only individual user entries, no grouping of users, and is used by the application. Which two statements are true? (Choose two.)
EJB developers cannot use the isCallerInRole method.
The annotation @RunAs("AAA") can still be used for this application.
All security roles need a role-link entry in the deployment descriptor.
All security roles can be mapped successfully to individual users in the realm.

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