多项选择题

A.The stub will increase network traffic.B.The Transfer……

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.

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单项选择题A developer is designing the presentation tier for a web application which requires a centralized requesthandling to complete common processing required by each request. Which design pattern provides asolution to this problem？（）

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多项选择题Inann-tierapplication，whichtwoinvocationsaretypicallyremote，notlocal？（）

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D.The SKIP_PAGE constant is a valid return value for the doStartTag method.
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