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 elementCInclude a element in the web application deployment descriptorDconfigure a listener in the application deployment descriptor， using the elementEInclude a class implementing ServletContextListener as part of the web application deploymen
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问题：单选题All of your JSPs need to have a link that permits users to email the web master. This web application islicensed to many small businesses， each of which have a different email address for the web master. Youhave decided to use a context parameter that you specify in the deployment descriptor， like this： 42. 43.webmasterEmail 44.master@example.com 45. Which JSP code snippet creates this email link？（）A <a href=’mailto：${contextParam.webmasterEmail}’>contact us</a>B <a href=’mailto：${applicationScope.webmasterEmail}’>contact us</a>C <a href=’mailto：${contextInitParam.webmasterEmail}’>contact us</a>D <a href=’mailto：${initParam.webmasterEmail}’>contact us</a>
问题：单选题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 realmB Define a group within the security realm and call it vipC Define a security-role named vip in the deployment descriptorD Declare a security-role-ref for vip in the deployment descripto
问题：单选题Which element of the web application deployment descriptor defines the servlet class associated with aservlet instance？（）A <class><br/>B <webapp><br/>C <servlet><br/>D <codebase><br/>E <servlet-class>
问题：单选题Given a portion of a valid Java EE web application’s directory structure：MyApp | |--Directory1 ||--File1.html| |--META-INF| |--File2.html| |--WEB-INF |--File3.html You want to know whether File1.html， File2.html，and/or File3.html is protected from direct access by yourweb client’s browsers. What statement is true？（）A All three files are directly accessible.B Only File1.html is directly accessible.C Only File2.html is directly accessible.D Only File3.html is directly accessible.
问题：单选题You have created a web application that you license to real estate brokers. The webapp is highly customizable including the email address of the broker， which is placed on the footer of each page. This isconfigured as a context parameter in the deployment descriptor： 10. 11.footerEmail 12.joe@estates-r-us.biz 13. Which EL code snippet will insert this context parameter into the footer？（）A <a href=’mailto：${footerEmail}’>Contact me</a>B <a href=’mailto：${initParam@footerEmail}’>Contact me</a>C <a href=’mailto：${initParam.footerEmail}’>Contact me</a>D <a href=’mailto：${contextParam@footerEmail}’>Contact me</a>E <a href=’mailto：${contextParam.footerEmail}’>Contact me</a>
问题：单选题You are building your own layout mechanism by including dynamic content for the page’s header and footersections. The footer is always static， but the header generates the tag that requires the page name tobe specified dynamically when the header is imported. Which JSP code snippet performs the import of theheader content？（）A <jsp：include page=’/WEB-INF/jsp/header.jsp’><jsp：param name=’pageName’ value=’Welcome Page’ /> </jsp：include>B <jsp：import page=’/WEB-INF/jsp/header.jsp’><jsp：param name=’pageName’ value=’Welcome Page’ /> </jsp：import>C <jsp：include page=’/WEB-INF/jsp/header.jsp’><jsp：attribute name=’pageName’ value=’Welcome Page’ /> . </jsp：include>D <jsp：import page=’/WEB-INF/jsp/header.jsp’>. <jsp：attribute name=’pageName’ value=’Welcome Page’ /> . </jsp：import>
问题：单选题A developer is designing the presentation tier for a web application that relies on a complex session bean.The session bean is still being developed and the APIs for it are NOT finalized. Any changes to the sessionbean API directly impacts the development of the presentation tier. Which design pattern provides a meansto manage the uncertainty in the API？（）A View HelperB Front ControllerC Composite ViewD Intercepting FilterE Business Delegate
问题：单选题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>
问题：单选题You have created a JSP that includes instance variables and a great deal of scriptlet code. Unfortunately，after extensive load testing， you have discovered several race conditions in your JSP scriptlet code. To fixthese problems would require significant recoding， but you are already behind schedule. Which JSP codesnippet can you use to resolve these concurrency problems？（）A <%@ page isThreadSafe=’false’ %>B <%@ implements SingleThreadModel %>C <%! implements SingleThreadModel %>D <%@ page useSingleThreadModel=’true’ %>E <%@ page implements=’SingleThreadModel’ %>
问题：单选题A web browser need NOT always perform a complete request for a particular page that it suspects mightNOT have changed. The HTTP specification provides a mechanism for the browser to retrieve only a partialresponse from the web server； this response includes information， such as the Last-Modified date but NOTthe body of the page. Which HTTP method will the browser use to retrieve such a partial response？（）A GETB ASKC SENDD HEADE TRACE
问题：单选题Your web application views all have the same header， which includes the tag in the elementof the rendered HTML. You have decided to remove this redundant HTML code from your JSPs and put itinto a single JSP called /WEB-INF/jsp/header.jsp. However， the title of each page is unique， so you havedecided to use a variable called pageTitle to parameterize this in the header JSP， like this： 10.${param.pageTitle} Which JSP code snippet should you use in your main view JSPs to insert the header and pass thepageTitle variable？（）A <jsp：insert page=’/WEB-INF/jsp/header.jsp’>. ${pageTitle=’Welcome Page’}. </jsp：insert>B <jsp：include page=’/WEB-INF/jsp/header.jsp’>. ${pageTitle=’Welcome Page’}. </jsp：include>C <jsp：include file=’/WEB-INF/jsp/header.jsp’>. ${pageTitle=’Welcome Page’}. </jsp：include>D <jsp：insert page=’/WEB-INF/jsp/header.jsp’>. <jsp：param name=’pageTitle’ value=’Welcome Page’ /> . </jsp：insert>E <jsp：include page=’/WEB-INF/jsp/header.jsp’>. <jsp：param name=’pageTitle’ value=’Welcome Page’ /> . </jsp：include>
问题：多选题For which three events can web application event listeners be registered？（）AWhen a session is createdBAfter a servlet is destroyedCWhen a session has timed outDWhen a cookie has been createdEWhen a servlet has forwarded a requestFWhen a session attribute value is changed
问题：多选题Given an EL function declared with：11. 12.spin 13.com.example.Spinner 14. 15.java.lang.String spinIt（） 16. 17. Which two are true？（）AThe function method must have the signature： public String spin（）.BThe method must be mapped to the logical name spin in the web.xml file.CThe function method must have the signature： public String spinIt（）.DThe function method must have the signature public static String spin（）.EThe function method must have the signature： public static String spinIt（）.FThe function class must be named Spinner， and must be in the package com.example.
问题：多选题Given the JSP code： 10. 11. 12. 13.Hello， ${customer.title} ${customer.lastName}， welcome 14.to Squeaky Beans， Inc. 15.16. Which three types of JSP code are used？（）AJava codeBTemplate textCScripting codeDStandard actionEExpression language
问题：单选题Which element of a web application deployment descriptor element is required？（）A <realm-name>B <auth-method>C <security-role>D <transport-guarantee>E <web-resource-collection>
问题：单选题A developer is designing a web application that must verify for each request： The originating request is froma trusted network. The client has a valid session.The client has been authenticated. Which design pattern provides a solution in this situation？（）A Transfer ObjectB Session FacadeC Intercepting FilterD Template MethodE Model-View-Controller
问题：单选题Given the element from the web application deployment descriptor： /main/page1.jsp true and given that /main/page1.jsp contains： What is the result？（）A <b></b>B <b>12</b>C The JSP fails to execute.D <% int i = 12 %><b><%= i %></b>
问题：单选题Your web application requires the adding and deleting of many session attributes during a complex usecase. A bug report has come in that indicates that an important session attribute is being deleted too soonand a NullPointerException is being thrown several interactions after the fact. You have decided to create asession event listener that will log when attributes are being deleted so you can track down when theattribute is erroneously being deleted. Which listener class will accomplish this debugging goal？（）A Create an HttpSessionAttributeListener class and implement the attributeDeleted method and log the attribute name using the getName method on the event object.B Create an HttpSessionAttributeListener class and implement the attributeRemoved method and log the attribute name using the getName method on the event object.C Create an SessionAttributeListener class and implement the attributeRemoved method and log the attribute name using the getAttributeName method on the event object.D Create an SessionAttributeListener class and implement the attributeDeleted method and log the attribute name using the getAttributeName method on the event object.
问题：多选题Which three are true about servlet filters？（）AA filter must implement the destroy method.BA filter must implement the doFilter method.CA servlet may have multiple filters associated with it.DA servlet that is to have a filter applied to it must implement the javax.servlet.FilterChain interface.EA filter that is part of a filter chain passes control to the next filter in the chain by invoking the FilterChain.forward method.
