当前分类: SCWCD(310-083)
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...
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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A developer is designing a multi-tier web application and discovers a need to log each incoming clientrequest. Which two patterns, taken independently, provide a solution for this problem?()ATransfer ObjectBService LocatorCFront ControllerDIntercepting...
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A custom tag is defined to take three attributes. Which two correctly invoke the tag within a JSP page?()Aprefix:myTag a=foo b=bar c=baz /Bprefix:myTag attributes={foo,bar,baz} /Cprefix:myTag jsp:attribute a=foo b=bar c=baz /Dprefix:myTagjsp:attribute ...
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 attribu...
问题:单选题Assume the tag handler for a st:simple tag extends Simple Tag Support. In what way can scriptlet code beused in the body of st:simple?()A Set the body content type to JSP in the TLDB Scriptlet code is NOT legal in the body of st:simple.C Add scripting-...
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${params[0].titl...
问题:单选题You have a new IT manager that has mandated that all JSPs must be refactored to include no scritpletcode. The IT manager has asked you to enforce this. Which deployment descriptor element will satisfy thisconstraint?()A jsp-property-group. url-pattern*...
问题:单选题One of the use cases in your web application uses many session-scoped attributes. At the end of the usecase, you want to clear out this set of attributes from the session object. Assume that this static variableholds this set of attribute names: 201.pr...
问题:多选题You want to create a valid directory structure for your Java EE web application, and your application usestag files and a JAR file. Which three must be located directly in your WEB-INF directory(NOT in asubdirectory of WEB-INF)?()AThe JAR fileBA direct...
问题:单选题Given the JSP code: and the Classic tag handler code: 5. public int doStartTag() throws JspException { 6. // insert code here 7. // return int 8. } Assume there are no other "foo" attributes in the web application. Which invocation on the pageContextob...
问题:单选题The Squeaky Bean company has decided to port their web application to a new J2EE 1.4 container. Whilereviewing the application, a developer realizes that in multiple places within the current application, nearlyduplicate code exists that finds enterpri...
问题:多选题Given: 11. 15. Which three EL expressions, inserted at line 15,are valid and evaluate to "3"?()A${vals.2}B${vals[2]}C${vals.index}D${vals[index]}E${vals}[index]F${vals[vals[index-1]]}...
问题: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: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:多选题Which two statements are true about using the isUserInRole method to implement security in a Java EEapplication?()AIt can be invoked only from the doGet or doPost methods.BIt can be used independently of the getRemoteUser method.CCan return true even w...