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？（）
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>
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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 <title> 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>
A.It avoids initialization on the first request.
B.It provides the ability to debug runtime errors in the application.
C.It provides better performance on the first request for the JSP page.
D.It avoids execution of the _jspService method on the first request.
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 **/ %>
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Click the ’Select and Place’ button.Place the events in the order they occur.
Click the ’Select and Place’ button.Place the events in the order they occur.
You need to create a JSP that generates some JavaScript code to populate an array of strings used on the client-side.Which JSP code snippet will create this array？（）
Click the ’Select and Place’ button.Place the events in the order they occur.
Click the ’Select and Place’ button.Place the events in the order they occur.
Click the ’Select and Place’ button.Place the events in the order they occur.
Which two are valid and equivalent？（）
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？（）
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？（）
Which is a benefit of precompiling a JSP page？（）