Whenaddingaelementtoawebapplicationdeploymentdescriptor,theinclusionofwhichsub－elementrequiresthedefinitionofanerrorpage()?A.<realm-name>B.<auth-metod>C.<auth-constraint>D.<form-login-config>E.<user-data-constaint>
题目
Whenaddingaelementtoawebapplicationdeploymentdescriptor,theinclusionofwhichsub－elementrequiresthedefinitionofanerrorpage()?
B.<auth-metod>
C.<auth-constraint>
D.<form-login-config>
E.<user-data-constaint>