Click the Exhibit button.
The resource requested by the RequestDispatcher is available and implemented by the Destination Servlet.
What is the result？（）
A.An exception is thrown at runtime by SourceServlet.
B.An exception is thrown at runtime by DestinationServlet.
C.Only "hello from dest" appears in the response output stream.
D.Both "hello from source" and "hello from dest" appear in the response output stream.
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You want to create a filter for your web application and your filter will implement javax.servlet.Filter.
Which two statements are true？（）
A.Your filter class must implement an init method and a destroy method.
B.Your filter class must also implement javax.servlet.FilterChain.
C.When your filter chains to the next filter， it should pass the same arguments it received in its doFiltermethod.
D.The method that your filter invokes on the object it received that implements javax.servlet.FilterChaincan invoke either another filter or a servlet.
E.Your filter class must implement a doFilter method that takes， among other things， anHTTPServletRequest object and an HTTPServletResponse object.
A developer wants a web application to be notified when the application is about to be shut down.
Which two actions are necessary to accomplish this goal？（）
A.Include a listener directive in a JSP page
B.configure a listener in the TLD file using the
C.Include a
D.configure a listener in the application deployment descriptor， using the
E.Include a class implementing ServletContextListener as part of the web application deploymen
Servlet A receives a request that it forwards to servlet B within another web application in the same webcontainer. Servlet A needs to share data with servlet B and that data must not be visible to other servlets inA’s web application.
In which object can the data that A shares with B be stored？（）
A.HttpSession
B.ServletConfig
C.ServletContext
D.HttpServletRequest
E.HttpServletResponse
The sl：shoppingList and sl：item tags output a shopping list to the response and are used as follows：
12.<sl：item name="Bread" />
13.<sl：item name="Milk" />
14.<sl：item name="Eggs" />
15.</sl：shoppingList>
The tag handler for sl：shoppingList is ShoppingListTag and the tag handler for sl：item is ItemSimpleTag.ShoppingListTag extends BodyTagSupport and ItemSimpleTag extends SimpleTagSupport.Which is true？（）
A.ItemSimpleTag can find the enclosing instance of ShoppingListTag by calling getParent（） and castingthe result to ShoppingListTag.
B.ShoppingListTag can find the child instances of ItemSimpleTag by calling super.getChildren（） andcasting each to an ItemSimpleTag.
C.It is impossible for ItemSimpleTag and ShoppingListTag to find each other in a tag hierarchy becauseone is a Simple tag and the other is a Classic tag.
D.ShoppingListTag can find the child instances of ItemSimpleTag by calling getChildren（） on thePageContext and casting each to an ItemSimpleTag.
E.ItemSimpleTag can find the enclosing instance of ShoppingListTag by calling findAncestorWithClass（）on the PageContext and casting the result to ShoppingListTag.
最新試題
Which element of a web application deployment descriptor element is required？（）
Given a web application in which the request parameter productID contains a product identifier.Which twoEL expressions evaluate the value of the productID？（）
You are building a dating web site. The client’s date of birth is collected along with lots of other information.The Person class has a derived method， getAge（）：int， which returns the person’s age calculated from thedate of birth and today’s date. In one of your JSPs you need to print a special message to clients within theage group of 25 through 35.Which two EL code snippets will return true for this condition？ （）
In which three directories， relative to a web application’s root， may a tag library descriptor file reside whendeployed directly into a web application？（）
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.
Your company has a corporate policy that prohibits storing a customer’s credit card number in anycorporate database. However， users have complained that they do NOT want to re- enter their credit cardnumber for each transaction. Your management has decided to use client-side cookies to record the user’scredit card number for 120 days. Furthermore， they also want to protect this information during transit fromthe web browser to the web container； so the cookie must only be transmitted over HTTPS.Which codesnippet creates the "creditCard" cookie and adds it to the out going response to be stored on the user’s webbrowser？（）
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.