Assume that a news tag library contains the tags lookup and item： lookup Retrieves the latest news headlines and executes the tag body once for each headline. Exposes a NESTED page scoped attributecalled headline of type com.example.Headline containing details for that headline. item Outputs the HTMLfor a single news headline. Accepts an attribute info of typecom.example.Headline containing details for theheadline to be rendered.
Which snippet of JSP code returns the latest news headlines in an HTML table，one per row？（）
A.
B.
C.
D.
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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.private static final Set<String> USE_CASE_ATTRS；
202.static {
203.USE_CASE_ATTRS.add（"customerOID"）；
204.USE_CASE_ATTRS.add（"custMgrBean"）；
205.USE_CASE_ATTRS.add（"orderOID"）；
206.USE_CASE_ATTRS.add（"orderMgrBean"）；
207.}
Which code snippet deletes these attributes from the session object？（）
A.session.removeAll（USE_CASE_ATTRS）；
B.for（ String attr ： USE_CASE_ATTRS ）{ session.remove（attr）； }
C.for（ String attr ： USE_CASE_ATTRS ）{session.removeAttribute（attr）；}
D.for（ String attr ： USE_CASE_ATTRS ）{session.deleteAttribute（attr）；}
E.session.deleteAllAttributes（USE_CASE_ATTRS）；
A.Access to session-scoped attributes is guaranteed to be thread-safe by the web container.
B.To activate URL rewriting， the developer must use the HttpServletResponse.setURLRewriting method.
C.If the web application uses HTTPS， then the web container may use the data on the HTTPS request stream to identify the client.
D.The JSESSIONID cookie is stored permanently on the client so that a user may return to the web application and the web container will rejoin that session.
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Click the ’Select and Place’ button.Place the events in the order they occur.
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 Diving23.<!-- 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？（）
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 indicates a symbolic name of the next view. From this name， the FrontController servlet looks up the JSP URL in a configuration table. This URL might be an absolute path or apath relative to the current request. Next， the Front Controller servlet must send the request to this JSP togenerate the view. Assume that the servlet variable request is assigned the current HttpServletRequestobject and the variable context is assigned the webapp’s ServletContext. Which code snippet of the FrontController servlet accomplishes this goal？（）
Click the ’Select and Place’ button.Place the events in the order they occur.
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？（）