Giventhisfragmentinaservlet:23.if(req.isUserInRole("Admin")){24.//dostuff25.}And

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Giventhisfragmentinaservlet:23.if(req.isUserInRole("Admin")){24.//dostuff25.}AndthefollowingfragmentfromtherelatedJavaEEdeploymentdescriptor:812.<security-role-ref>813.<role-name>Admin</role-name>814.<role-link>Administrator</role-link>815.</security-role-ref>900.<security-role>901.<role-name>Admin</role-name>902.<role-name>Administrator</role-name>903.</security-role>Whatistheresult?()

A.Line24canneverbereached.

B.ThedeploymentdescriptorisNOTvalid.

C.Ifline24executes,theuser’srolewillbeAdmin.

D.Ifline24executes,theuser’srolewillbeAdministrator.

E.Ifline24executestheuser’srolewillNOTbepredictable.

参考答案:

参考D

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