A Next Generation Network(NGN) is a (　)network ,which is able to provide Telecomunication Services ti users and to make use of multiple broadband。

题库:中级通信工程师 类型:最佳选择题 时间:2020-05-27 15:31:42 免费下载:《2015 年中级通信工程师考试上午真题》Word试卷

A Next Generation Network(NGN) is a (　)network ,which is able to provide Telecomunication Services ti users and to make use of multiple broadband。
A.ISDN
B.ATM
C.circuit-based
D.packet-based

本题关键词:abl,僵a,ECF-A,EP21-A,EP6-A,EP18-A,EP7-A,Lp(a),Lp（a）,A-aDO2;