Given the web application deployment descriptor elements：
11.<filter>
12.<filter-name>ParamAdder</filter-name>
13.<filter-class>com.example.ParamAdder</filter-class>
14.</filter>...
24.<filter-mapping>
25.<filter-name>ParamAdder</filter-name>
26.<servlet-name>MyServlet</servlet-name>
27.<!-- insert element here -->
28.</filter-mapping>
Which element， inserted at line 27，causes the ParamAdder filter to be applied when MyServlet is invokedby another servlet using the RequestDispatcher.include method？（）
A.<include/>
B.<dispatcher>INCLUDE</dispatcher>
C.<dispatcher>include</dispatcher>
D.<filter-condition>INCLUDE</filter-condition>
E.<filter-condition>include</filter-condition>
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You have a use case in your web application that adds several session-scoped attributes. At the end of theuse case， one of these objects， the manager attribute， is removed and then it needs to decide which of theother session-scoped attributes to remove.
How can this goal be accomplished？（）
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B.The object of the manager attribute should implement the HttpSessionListener and it should call the removeAttribute method on the appropriate session attributes.
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D.The object of the manager attribute should implement the HttpSessionListener and it should call the deleteAttribute method on the appropriate session attributes.
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.
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D.In both cases， the JSPs can use EL expressions to get data.
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