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單項(xiàng)選擇題

Which element of a web application deployment descriptor element is required（）？

A. <realm-name>
B. <auth-method>
C. <security-role>
D. <transport-guarantee>
E. <web-resource-collection>

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單項(xiàng)選擇題

Which security mechanism is employed only on the server-side to limit access to resources or components？（）

A. authorization
B. data integrity
C. confidentiality
D. authentication

單項(xiàng)選擇題

When using a form-based authentication， which action must be used in the login form？（）

A. j_login
B. j_get_user
C. j_login_check
D. j_get_security
E. j_security_check