多項(xiàng)選擇題Which two are characteristics of the Transfer Object design pattern?()

A.It reduces network traffic by collapsing multiple remote requests into one.
B.It increases the complexity of the remote interface by removing coarse-grained methods.
C.It increases the complexity of the design due to remote synchronization and version control issues.
D.It increases network performance introducing multiple fine-grained remote requests which return verysmall amounts of data.


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5.多項(xiàng)選擇題Given an EL function foo, in namespace func, that requires a long as a parameter and returns a Map,which two are valid invocations of function foo?()

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