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單項(xiàng)選擇題

Which security mechanism uses the concept of a realm？（）

A.Authorization
B.Data integrity
C.Confidentiality
D.Authentication

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單項(xiàng)選擇題

Which basic authentication type is optional for a J2EE 1.4 compliant web container？（）

A.HTTP Basic Authentication
B.Form Based Authentication
C.HTTP Digest Authentication
D.HTTPS Client Authentication

多項(xiàng)選擇題

Which two are valid values for the element inside a element ofa web application deployment descriptor？（）

A.NULL
B.SECURE
C.INTEGRAL
D.ENCRYPTED
E.CONFIDENTIAL