【名词&注释】
移动通信网(mobile communication network)、基础上(basis)、呼叫转移(call transfer)、彩色电视(colour television)
[多选题]移动通信网在基本业务基础上开发的补充业务,包括()和呼叫限制等。
A. 来话显示
B. 呼叫转移
C. 呼叫等待
D. 多方通话
查看答案&解析查看所有试题
学习资料:
[多选题]彩色摄影和彩色电视(colour television)中重现的所谓基色有( )
A. 红
B. 绿
C. 黄
D. 蓝
[单选题]The exponential growth of mobile broadband traffic is certainly () by both, the increasing demand for known and new data services,such as mobile internet access, social networking,location-based services/personal navigation and so on, and the data () and storage capabilities of state-of-the-art terminals, such as smartphones and the most recent tablets.
A. lead
B. creating C、caused
C. composing A、processing
D. calculatiaon C、mining
E. display
[多选题]一级交换中心的职能有()。
A. 汇接所管辖的二级交换中心的电路
B. 组织一级交换区之间的迂回
C. 疏通本交换区与本交换区以外的转话业务
D. 疏通所辖的本交换区内各二级交换区之间的转话话务。
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