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恕小弟眼拙,这题好像都正确
4.Which three statements describe the forward delegation model when using Java Server Pages (JSPs)? (Choose three.)
a) The final JSP is responsible for the response to the client.
b) A forward from one JSP to another JSP cannot happen if data have been sent to the client.
c) Access to server side resources such as EJBs must be accomplished by the second JSP.
d) The forward delegation model allows for separation between presentation JSPs and work JSPs.
以下是书上的原话:
A正确:the final JSP is responsible for the presentation fo the response back to the client
B正确:Under the forward Model, a forward cannot take place if data has been sent back to client
C正确:The initial JSP might be used for determining details about the request, creating and/ or updating server-side objects, and forwarding the request to a more appropriate JSP.
D正确:forward delegation model allows for separation between work JSPs and presentation JSPs |
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