Given： 5.public class MyTagHandler extends TagSupport { 6.public int doStartTag（） throws JspException { 7.try { 8.// insert code here 9.} catch（Exception ex） { /* handle exception */ } 10.return super.doStartTag（）； 11.}...42. } Which code snippet， inserted at line 8，causes the value foo to be output？（）

A. JspWriter w = pageContext.getOut（）；
B. print（"foo"）；
C. JspWriter w = pageContext.getWriter（）；
D. JspWriter w = new JspWriter(pageContext.getWriter()); . w.print("foo")

Given an EL function declared with：11. 12.spin 13.com.example.Spinner 14. 15.java.lang.String spinIt（） 16. 17. Which two are true？（）

A. The function method must have the signature： public String spin（）.
B. The method must be mapped to the logical name "spin" in the web.xml file.
C. The function method must have the signature： public String spinIt（）.
D. The function method must have the signature public static String spin（）.
E. The function method must have the signature： public static String spinIt（）.
F. The function class must be named Spinner， and must be in the package com.example.

Given： http：//com.example/myServlet.jsp？num=one&num=two&num=three. Which two produce the output"one， two and three"？（）

A. ${param.num[0]，[1] and [2]}
B. ${paramValues[0]，[1] and [2]}
C. ${param.num[0]}， ${param.num[1]} and ${param.num[2]}
D. ${paramValues.num[0]}， ${paramValues.num[1]} and ${paramValues.num[2]}
E. ${paramValues["num"][0]}， ${paramValues["num"][1]} and ${paramValues["num"][2]}

Which activity supports the data integrity requirements of an application？（）

A. Using HTTPS as a protocol
B. Using an LDAP security realm
C. Using HTTP Basic authentication
D. Using forms-based authenticatio

For which three events can web application event listeners be registered？（）

A. When a session is created
B. After a servlet is destroyed
C. When a session has timed out
D. When a cookie has been created
E. When a servlet has forwarded a request
F. When a session attribute value is changed

In a JSP-centric web application， you need to create a catalog browsing JSP page. The catalog is stored asa List object in the catalog attribute of the webapp’s ServletContext object. Which scriptlet code snippetgives you access to the catalog object？（）

You are designing an n-tier Java EE application. You have already decided that some of your JSPs willneed to get data from a Customer entity bean. You are trying to decide whether to use a Customer stubobject or a Transfer Object. Which two statements are true？（）

A. The stub will increase network traffic.
B. The Transfer Object will decrease data staleness.
C. The stub will increase the logic necessary in the JSPs.
D. In both cases， the JSPs can use EL expressions to get data.
E. Only the Transfer Object will need to use a Business Delegate.

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. 43.webmasterEmail 44.master@example.com 45. Which JSP code snippet creates this email link？（）

A. contact us
B. contact us
C. contact us
D. contact us

Which two are true regarding a web application class loader？（）

A web application may override the web container’s implementation classes.
B. A web application running in a J2EE product may override classes in the javax.* namespace.
C. A web application class loader may NOT override any classes in the java.* and javax.* namespaces.
D. Resources in the WAR class directory or in any of the JAR files within the library directory may be accessed using the J2SE semantics of getResource.

You need to create a JavaBean object that is used only within the current JSP page. It must NOT beaccessible to any other page including those that this page might import. Which JSP standard action canaccomplish this goal？（）