多项选择题In which three directories, relative to a web application’s root, may a tag library descriptor file reside when deployed directly into a web application?()

A. /WEB-INF
B. /META-INF
C. /WEB-INF/tlds
D. /META-INF/tlds
E. WEB-INF/resources
F. /META-INF/resources


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1.多项选择题Given that a scoped attribute cart exist only in a user’s session, which two, taken independently, ensure the scoped attribute cart no longer exists?()

A. ${cart = null } 
B. <c:remove var=”cart” /> 
C. <c:remove var=”${cart}” /> 
D. <c:remove var=”cart” scope=”session” /> 
E. <c:remove scope=”session”>cart</c:remove>
F. <c:remove var=”${cart}” scope=”session” /> 
G. <c:remove scope=”session”>${cart}</c:remove>

2.多项选择题Assume the scoped attribute priority does NOT yet exist. Which two create and set new request-scoped attribute priority to the value “medium”?() 

A. ${priority = ‘medium’ } 
B. ${requestScope[ ‘priority’ ] = ‘medium’ } 
C. <c:set var=priority” value=”medium” /> 
D. <c:set var=”priority” scope=”request”>medium</C:set> 
E. <c:set var=”priority” value=”medium” scope=”request” /> 
F. <c:set property=”priority” scope=”request”>medium</c:set> 
G. <c:set property=”priority” value=”medium” scope=”request” />

3.多项选择题Which the two JSTL URL-related tags perform URL rewriting?()

A. url
B. link
C. param
D. import
E. redirect

7.单项选择题Which the security mechanism uses the concept of a realm?()

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

8.单项选择题Which the basic authentication type is optional for a J2EE 1.4 compliant web container?()

A. HTTP Basic Authentication
B. Form Based Authentication
C. HTTP Digest Authentication
D. HTTPS Client Authentication

9.单项选择题When adding a  element to a web application deployment descriptor, the inclusion of which sub-element requires the definition of an error page()?

A. <realm-name> 
B. <auth-metod> 
C. <auth-constraint> 
D. <form-login-config> 
E. <user-data-constaint>

10.单项选择题Which security mechanism can be directed through the  element in a web deployment descriptor()?

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

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