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3. 4.<%=> costs <%=> <%=><%=> What is the response output of this JSPpage code snippet？（）
After a merger with another small business， your company has inherited a legacy WAR file but the originalsource files were lost. After reading the documentation of that web application，you discover that the WARfile contains a useful tag library that you want to reuse in your own webapp packaged as a WAR file. What do you need to do to reuse this tag library？（）
Click the Exhibit button. The resource requested by the RequestDispatcher is available and implemented by the Destination Servlet. What is the result？（）
A developer is designing the presentation tier for a web application that relies on a complex session bean.The session bean is still being developed and the APIs for it are NOT finalized. Any changes to the sessionbean API directly impacts the development of the presentation tier. Which design pattern provides a meansto manage the uncertainty in the API？（）
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？（）
A session-scoped attribute， product， is stored by a servlet. That servlet then forwards to a JSP page. Thisattribute holds an instance of the com.example.Product class with a name property of "The Matrix" andprice property of 39.95. Given the JSP page code snippet： 1. 2.
