A developer has used this code within a servlet：
62.if（request.isUserInRole（"vip"）） {
63.// VIP-related logic here
64.}
What else must the developer do to ensure that the intended security goal is achieved？（）
A.Create a user called vip in the security realm
B.Define a group within the security realm and call it vip
C.Define a security-role named vip in the deployment descriptor
D.Declare a security-role-ref for vip in the deployment descripto
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A.Url
B.Link
C.Param
D.Import
E.Redirect
Assume the scoped attribute priority does NOT yet exist.
Which two create and set a new request-scopedattribute priority to the value "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" />
A.<a href=’<c：url url="foo.jsp"/>’ />
B.<a href=’<c：link url="foo.jsp"/>’ />
C.<a href=’<c：url value="foo.jsp"/>’ />
D.<a href=’<c：link value="foo.jsp"/>’ />
最新試題
Which ensures that a JSP response is of type "text/plain"？（）
You are building a dating service web site. Part of the form to submit a client’s profile is a groupIIof radio buttons for the person’s hobbies：20.<input type=’radio’ name=’hobbyEnum’ value=’HIKING’>Hiking <br>21.<input type=’radio’ name=’hobbyEnum’ value=’SKIING’>Skiing <br>22.<input type=’radio’ name=’hobbyEnum’ value=’SCUBA’>SCUBA Diving23.<!-- and more options -->After the user submits this form， a confirmation screen is displayed with these hobbies listed. Assume thatan application-scoped variable， hobbies， holds a map between the Hobby enumerated type and the displayname.Which EL code snippet will display Nth element of the user’s selected hobbies？（）
Which is true about the web container request processing model？（）
Click the ’Select and Place’ button.Place the events in the order they occur.
A web application allows the HTML title banner to be set using a servlet context initialization parametercalled titleStr.Which two properly set the title in this scenario？（）
Click the ’Select and Place’ button.Place the events in the order they occur.
Which element of a web application deployment descriptor element is required？（）
Given tutorial.jsp：2.EL Tutorial3.Example 14.5.Dear ${my：nickname（user）}6.Which， when added to the web application deployment descriptor，ensures that line 5 is included verbatimin the JSP output？（）
Click the 'Select and Place' button.Place the events in the order they occur.
Click the ’Select and Place’ button.Place the events in the order they occur.