多項選擇題Which two statements are true about using the isUserInRole method to implement security in a Java EEapplication?()

A.It can be invoked only from the doGet or doPost methods.
B.It can be used independently of the getRemoteUser method.
C.Can return "true" even when its argument is NOT defined as a valid role name in the deployment descriptor.
D.Using the isUserInRole method overrides any declarative authentication related to the method in which it is invoked.


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1.多項選擇題Which two are required elements for the  element of a web applicationdeployment descriptor?()

A.<realm-name>
B.<url-pattern>
C.<description>
D.<web-resource-name>
E.<transport-guarantee>

2.單項選擇題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>

3.多項選擇題Which two statements are true about the security-related tags in a valid Java EE deployment descriptor?()

A.Every  tag must have at least one  tag.
B.A  tag can have many  tags.
C.A given  tag can apply to only one  tag.
D.A given  tag can contain from zero to many  tags.
E.It is possible to construct a valid  tag such that,for a given resource,no user rolescan access that resource.

5.多項選擇題Which two are true concerning the objects available to developers creating tag files?()

A.The session object must be declared explicitly.
B.The request and response objects are available implicitly.
C.The output stream is available through the implicit outStream object.
D.The servlet context is available through the implicit servletContext object.
E.The JspContext for the tag file is available through the implicit jspContext object.

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