Java Security Quiz

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Java Security Quiz

Java Security Quiz:

[Ans: A]
The method Subject.doAs associates a Subject with the thread of execution by associating a DomainCombiner with an AccessControlContext and binding it to the execution thread by invoking AccessController.doPrivileged.

This ensures that the binding of the principals within the Subject is scoped by the lifetime of the privileged action.

References: http://java.sun.com/j2ee/sdk_1.3/techdocs/api/javax/security/auth/Subject.html#doAs(javax.security.auth.Subject,%20java.security.PrivilegedAction)

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