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？
A.${d：dateString（addWeek（curDate（）， -1））}
B.${d：dateString[addWeek[curDate[]， -1]]}
C.${d：dateString[d：addWeek[d：curDate[]， -1]]}
D.${d：dateString（d：addWeek（d：curDate（）， -1））}
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Given a web application in which the request parameter productID contains a product identifier.
Which twoEL expressions evaluate the value of the productID？（）
A.${productID}
B.${param.productID}
C.${params.productID}
D.${params.productID[1]}
E.${paramValues.productID}
F.${paramValues.productID[0]}
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.<input type=’radio’ name=’hobbyEnum’ value=’HIKING’>Hiking <br>
21.<input type=’radio’ name=’hobbyEnum’ value=’SKIING’>Skiing <br>
22.<input type=’radio’ name=’hobbyEnum’ value=’SCUBA’>SCUBA Diving
23.<!-- and more options -->
After the user submits this form， a confirmation screen is displayed with these hobbies listed. Assume thatan application-scoped variable， hobbies， holds a map between the Hobby enumerated type and the displayname.
Which EL code snippet will display Nth element of the user’s selected hobbies？（）
A.${hobbies[hobbyEnum[N]}
B.${hobbies[paramValues.hobbyEnum[N]]}
C.${hobbies[paramValues@’hobbyEnum’@N]}
D.${hobbies.get（paramValues.hobbyEnum[N]）}
E.${hobbies[paramValues.hobbyEnum.get（N）]}
A web application allows the HTML title banner to be set using a servlet context initialization parametercalled titleStr.
Which two properly set the title in this scenario？（）
A.<title>${titleStr}</title>
B.<title>${initParam.titleStr}</title>
C.<title>${params[0].titleStr}</title>
D.<title>${paramValues.titleStr}</title>
E.<title>${initParam[’titleStr’]}</title>
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Given tutorial.jsp：2.EL Tutorial3.Example 14.5.Dear ${my：nickname（user）}6.Which， when added to the web application deployment descriptor，ensures that line 5 is included verbatimin the JSP output？（）
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.<context-param>43.<param-name>webmasterEmail</param-name>44.<param-value>master@example.com</param-value>45.</context-param>Which JSP code snippet creates this email link？（）
Click the Exhibit button.The attribute "name" has a value of "Foo，"What is the result if this tag handler’s tag is invoked？（）
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 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？（）
Click the ’Select and Place’ button.Place the events in the order they occur.
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 25 to properly invoke the next filter in the chain， or the target servlet if thereare no more filters？（）
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Which three are true about servlet filters？（）
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