For manageability purposes， you have been told to add a "count" instance variable to a critical JSP Document so that a JMX MBean can track how frequent this JSP is being invoked.
Which JSP code snippetmust you use to declare this instance variable in the JSP Document？（）
A.<jsp：declaration>int count = 0；<jsp：declaration>
B.<%! int count = 0； %>
C.<jsp：declaration.instance>int count = 0；. <jsp：declaration.instance>
D.<jsp：scriptlet.declaration>int count = 0；. <jsp：scriptlet.declaration>
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For debugging purposes， you need to record how many times a given JSP is invoked before the user’ssession has been created. The JSP’s destroy method stores this information to a database.
Which JSPcode snippet keeps track of this count for the lifetime of the JSP page？（）
A.<%! int count = 0； %><% if （ request.getSession（false） == null ） count++； %>
B.<%@ int count = 0； %>. <% if （ request.getSession（false） == null ） count++； %>
C.<% int count = 0；. if （ request.getSession（false） == null ） count++； %>
D.<%@ int count = 0；. if （ request.getSession（false） == null ） count++； %>
E.<%! int count = 0；. if （ request.getSession（false） == null ） count++； %>
You are building JSP pages that have a set of menus that are visible based on a user’s security role. Thesemenus are hand-crafted by your web design team； for example， the SalesManager role has a menu in thefile /WEB-INF/html/sales-mgr-menu.html.
Which JSP code snippet should be used to make this menuvisible to the user？（）
A.<% if （ request.isUserInRole（"SalesManager"） ） { %> <%@ include file=’/WEB-INF/html/sales-mgr-menu.html’ %> <% } %>
B.<jsp：if test=’request.isUserInRole（"SalesManager"）’> <%@ include file=’/WEB-INF/html/sales-mgr-menu.html’ %> </jsp：if>
C.<% if （ request.isUserInRole（"SalesManager"） ） { %> . <jsp：include file=’/WEB-INF/html/sales-mgr-menu.html’ /> . <% } %>
D.<jsp：if test=’request.isUserInRole（"SalesManager"）’> <jsp：include file=’/WEB-INF/html/sales-mgr-menu.html’ /> </jsp：if>
A.A web application may override the web container’s implementation classes.
B.A web application running in a J2EE product may override classes in the javax.* namespace.
C.A web application class loader may NOT override any classes in the java.* and javax.* namespaces.
D.Resources in the WAR class directory or in any of the JAR files within the library directory may be accessed using the J2SE semantics of getResource.
A.session configuration
B.MIME type mappings
C.context root for the application
D.servlet instance pool configuration
E.web container default port bindings
F.Servlet Context initialization parameters
A.
B.
C.
D.
最新試題
Click the ’Select and Place’ button.Place the events in the order they occur.
In which three directories， relative to a web application’s root， may a tag library descriptor file reside whendeployed directly into a web application？（）
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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？（）
The JSP developer wants a comment to be visible in the final output to the browser.Which comment styleneeds to be used in a JSP page？（）
Which is true about the web container request processing model？（）
Given a web application in which the request parameter productID contains a product identifier.Which twoEL expressions evaluate the value of the productID？（）
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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？（）
Which three are true about servlet filters？（）