当前分类： SCWCD(310-083)
问题：单选题One of the use cases in your web application uses many session-scoped attributes. At the end of the usecase，you want to clear out this set of attributes from the session object. Assume that this static variableholds this set of attribute names： 201.pri...
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问题：单选题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 ...
问题：多选题Your web application requires the ability to load and remove web files dynamically to the web container’s filesystem. Which two HTTP methods are used to perform these actions？（）APUTBPOSTCSENDDDELETEEREMOVE...
问题：多选题You want to create a valid directory structure for your Java EE web application， and your application usestag files and a JAR file. Which three must be located directly in your WEB-INF directory（NOT in asubdirectory of WEB-INF）？（）AThe JAR fileBA direct...
问题：单选题Which is a benefit of precompiling a JSP page？（）A It avoids initialization on the first request.B It provides the ability to debug runtime errors in the application.C It provides better performance on the first request for the JSP page.D It avoids exec...
问题：多选题A session-scoped attribute is stored by a servlet， and then that servlet forwards to a JSP page. Which threejsp：useBean attributes must be used to access this attribute in the JSP page？（）AidBnameCbeanDtypeEscope...
问题：单选题You have a new IT manager that has mandated that all JSPs must be refactored to include no scritpletcode. The IT manager has asked you to enforce this. Which deployment descriptor element will satisfy thisconstraint？（）A jsp-property-group. url-pattern*...
问题：多选题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？（）Atitle${titleStr}/titleBtitle${initParam.titleStr}/titleCtitle${params[0].titl...
问题：单选题Given a Filter class definition with this method： 21.public void doFilter（ServletRequest request， 22.ServletResponse response， 23.FilterChain chain） 24.throws ServletException， IOException { 25.// insert code here26. } Which should you insert at line 2...
问题：多选题Given： 3.class MyServlet extends HttpServlet { 4.public void doPut（HttpServletRequest req， HttpServletResponse resp） throws ServletException，IOException { 5.// servlet code here ... 26.} 27.} If the DD contains a single security constraint associated w...
问题：单选题Which interface must a class implement so that instances of the class are notified after any object is addedto a session？（）A javax.servlet.http.HttpSessionListenerB javax.servlet.http.HttpSessionValueListenerC javax.servlet.http.HttpSessionBindingListe...
问题：单选题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？（）A !-- this is a comment --B % // this is a comment %C %-- this is a comment --%D % /** this is a comment **/ %...
问题：单选题Servlet A receives a request that it forwards to servlet B within another web application in the same webcontainer. Servlet A needs to share data with servlet B and that data must not be visible to other servlets inA’s web application. In which object ...
问题：多选题A developer wants a web application to be notified when the application is about to be shut down. Which two actions are necessary to accomplish this goal？（）AInclude a listener directive in a JSP pageBconfigure a listener in the TLD file using the elem...
问题：单选题The Squeaky Bean company has decided to port their web application to a new J2EE 1.4 container. Whilereviewing the application， a developer realizes that in multiple places within the current application， nearlyduplicate code exists that finds enterpri...
问题：单选题Which statement is true if the doStartTag method returns EVAL_BODY_BUFFERED？（）A The tag handler must implement BodyTag.B The doAfterBody method is NOT called.C The setBodyContent method is called once.D It is never legal to return EVAL_BODY_BUFFERED fr...
问题：多选题In which three directories， relative to a web application’s root， may a tag library descriptor file reside whendeployed directly into a web application？（）A/WEB-INFB/META-INFC/WEB-INF/tldsD/META-INF/tldsE/WEB-INF/resourcesF/META-INF/resources...
问题：多选题Given： 11. 15. Which three EL expressions， inserted at line 15，are valid and evaluate to "3"？（）A${vals.2}B${vals[2]}C${vals.index}D${vals[index]}E${vals}[index]F${vals[vals[index-1]]}...
问题：单选题Which ensures that a JSP response is of type "text/plain"？（）A %@ page mimeType=text/plain %B %@ page contentType=text/plain %C %@ page pageEncoding=text/plain %D %@ page contentEncoding=text/plain %E % response.setEncoding（text/plain）； %...
问题：单选题Which path is required to be present within a WAR file？（）A /classesB /index.htmlC /MANIFEST-INFD /WEB-INF/web.xmlE /WEB-INF/classes...
