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A Next Generation Network(NGN) is a () network ,which is able to provide Telecomunication

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A Next Generation Network(NGN) is a () network ,which is able to provide Telecomunication Services ti users and to make use of multiple broadband, QoS-enable transport technologies and in which service-related functions are (下题选择) of the underlying transport-related technologies.

A.ISDN

B.ATM

C.circuit-based

D.packet-based

参考答案:

D

通信工程师

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