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>
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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.
A.<class><br/>
B.<webapp><br/>
C.<servlet><br/>
D.<codebase><br/>
E.<servlet-class>
Given:
11.public class MyServlet extends HttpServlet {
12.public void service(HttpServletRequest request,
13.HttpServletResponse response)
14.throws ServletException, IOException {
15.// insert code here
16.}
17.}
and this element in the web application’s deployment descriptor:
<error-page>
<error-code>302</error-code>
<location>/html/error.html</location>
</error-page>
Which,inserted at line 15,causes the container to redirect control to the error.html resource?()
A.response.setError(302);
B.response.sendError(302);
C.response.setStatus(302);
D.response.sendRedirect(302);
E.response.sendErrorRedirect(302);
最新試題
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?()
You need to create a JSP that generates some JavaScript code to populate an array of strings used on the client-side.Which JSP code snippet will create this array?()
Which is true about the web container request processing model?()
Click the ’Select and Place’ button.Place the events in the order they occur.
Your IT department is building a lightweight Front Controller servlet that invokes an application logic objectwith the interface:public interface ApplicationController {public String invoke(HttpServletRequest request)}The return value of this method indicates a symbolic name of the next view. From this name, the FrontController servlet looks up the JSP URL in a configuration table. This URL might be an absolute path or apath relative to the current request. Next, the Front Controller servlet must send the request to this JSP togenerate the view. Assume that the servlet variable request is assigned the current HttpServletRequestobject and the variable context is assigned the webapp’s ServletContext. Which code snippet of the FrontController servlet accomplishes this goal?()
You are building a dating web site. The client’s date of birth is collected along with lots of other information.The Person class has a derived method, getAge():int, which returns the person’s age calculated from thedate of birth and today’s date. In one of your JSPs you need to print a special message to clients within theage group of 25 through 35.Which two EL code snippets will return true for this condition? ()
You are building a web application with a scheduling component. On the JSP, you need to show the currentdate, the date of the previous week, and the date of the next week. To help you present this information,you have created the following EL functions in the ’d’ namespace: name: curDate; signature: java.util.DatecurrentDate() name: addWeek; signature: java.util.Date addWeek(java.util.Date, int) name: dateString;signature:java.util.String getDateString(java.util.Date)Which EL code snippet will generate the string for the previousweek?
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.
In which three directories, relative to a web application’s root, may a tag library descriptor file reside whendeployed directly into a web application?()