单项选择题
Which the security mechanism uses the concept of a realm？（）
A. authorization
B. data integrity
C. confidentiality
D. authentication
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相关考题
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单项选择题
Whichthe basicauthenticationtypeisoptionalforaJ2EE1.4compliantwebcontainer？（）
A. HTTP Basic Authentication
B. Form Based Authentication
C. HTTP Digest Authentication
D. HTTPS Client Authentication -
单项选择题
Whenaddingaelementtoawebapplicationdeploymentdescriptor，theinclusionofwhichsub-elementrequiresthedefinitionofanerrorpage（）？
A. <realm-name>
B. <auth-metod>
C. <auth-constraint>
D. <form-login-config>
E. <user-data-constaint> -
单项选择题
Whichsecuritymechanismcanbedirectedthroughtheelementinawebdeploymentdescriptor（）？
A. authorization
B. data integrity
C. confidentiality
D. authentication
