问题

A Next Generation Network（NGN) is a （上题选择) network ,which is able to provide Telecomun

A Next Generation Network(NGN) is a (上题选择) 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 () of the underlying transport-related technologies.

A.dependent

B.independent

C.related

D.depend

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