当前分类: SCWCD(310-083)
问题:单选题You have a use case in your web application that adds several session-scoped attributes. At the end of theuse case, one of these objects, the manager attribute, is removed and then it needs to decide which of theother session-scoped attributes to remov...
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问题:多选题Given a header in an HTTP request:X-Retries:4 Which two retrieve the value of the header from a given HttpServletRequest request?()ARequest.getHeader(X-Retries)BRequest.getIntHeader(X-Retries)CRequest.getRequestHeader(X-Retries)DRequest.getHeaders(X-Re...
问题:多选题Which two are characteristics of the Service Locator pattern?()AIt encapsulates component lookup procedures.BIt increases source code duplication and decreases reuse.CIt improves client performance by caching context and factory objects.DIt degrades ne...
问题:多选题Which two are characteristics of the Front Controller pattern?()AIt simplifies remote interfaces to distributed objects.BIt promotes cleaner application partitioning and encourages reuse.CIt provides an initial point of contact for handling all related...
问题:单选题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...
问题:多选题A JSP page needs to instantiate a JavaBean to be used by only that page. Which two jsp:useBeanattributes must be used to access this attribute in the JSP page?()AIdBTypeCNameDClassEYscope...
问题:多选题Which two are required elements for the element of a web applicationdeployment descriptor?()Arealm-nameBurl-patternCdescriptionDweb-resource-nameEtransport-guarantee...
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:多选题Which two about WAR files are true?()AWAR files must be located in the web application library directory.BWAR files must contain the web application deployment descriptor.CWAR files must be created by using archive tools designed specifically for that ...
问题:单选题You are creating an error page that provides a user-friendly screen whenever a server exception occurs.You want to hide the stack trace, but you do want to provide the exception’s error message to the user sothe user can provide it to the customer serv...
问题:单选题Assume the custom tag my:errorProne always throws a java.lang.RuntimeException with the message "Filenot found." An error page has been configured for this JSP page. Which option prevents the exceptionthrown by my:errorProne from invoking the error pag...
问题:多选题Which two JSTL URL-related tags perform URL rewriting?()AUrlBLinkCParamDImportERedirect...
问题:单选题After a merger with another small business, your company has inherited a legacy WAR file but the originalsource files were lost. After reading the documentation of that web application,you discover that the WARfile contains a useful tag library that yo...
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, th...
问题:单选题To take advantage of the capabilities of modern browsers that use web standards, such as XHTML andCSS, your web application is being converted from simple JSP pages to JSP Document format. However,one of your JSPs, /scripts/screenFunctions.jsp, generat...
问题:多选题A web application contains a tag file called beta.tag in /WEB-INF/tags/alpha. A JSP page called sort.jspexists in the web application and contains only this JSP code: 1. 3. The sort.jsp page is requested. Which two are true?()ATag files can only be acc...
问题:单选题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.Hiking 21.Skiing 22.SCUBA Diving 23. After the user submits this form, a confirmation screen is displa...
问题:单选题Given an HttpServletRequest request and HttpServletResponse response,which sets a cookie "username"with the value "joe" in a servlet?()A request.addCookie(username, joe)B request.setCookie(username, joe)C response.addCookie(username, joe)D request.addH...
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Given an HttpServletRequest request: 22.String id = request.getParameter("jsessionid"); 23.// insert code here 24.String name = (String) session.getAttribute("name"); Which three can be placed at line 23 to retrieve anexisting HttpSession object?()AHtt...