题目内容
（请给出正确答案）
[单选题]
Cable Modem的功能不包括（)。
A.信号的调制与解调
B.理论上讲能够扫描所有的上行频道和下行频道
C.提供与用户终端的接口
D.在任意时刻都可向头端发送数据
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题目内容
（请给出正确答案）
如果结果不匹配，请 联系老师 获取答案
题目内容
（请给出正确答案）
A.信号的调制与解调
B.理论上讲能够扫描所有的上行频道和下行频道
C.提供与用户终端的接口
D.在任意时刻都可向头端发送数据
如果结果不匹配，请 联系老师 获取答案
更多“Cable Modem的功能不包括()。”相关的问题
不以电话线为传输媒介的是()接入技术。
A、 Cable Modem
B、话带Modem
C、 N-ISDN
D、 xSDL
A.支持通过USB数据线与PC同步
B.不支持U盘模式
C.支持蓝牙、WIFI无线通信
D.支持Modem功能，但须手动设置
A.Until
B.Unless
C.If
D.In
A.Until
B.Unless
C.If
D.As
A.inquired for
B.inquired of
C.inquiring for
D.inquiring of
A．the American Navy
B．some early intercontinental travelers
C．those who earned a living from the Sea
D．the company which proposed to lay an undersea cable
This passage is mainly about ______.
A．the beginning of oceanography
B．the laying of the first undersea cable
C．the investigation of ocean depths
D．the early intercontinental communications
It was ______ that asked Maury for help in oceanographic studies.
A．the American Navy
B．some early intercontinental travelers
C．those who earned a living from the Sea
D．the company which proposed to lay an undersea cable
The aim of voyages Maury encouraged in the 1840s was ______.
A．to make some sound experiments in the oceans
B．to collect samples of sea plants and animals
C．to estimate the length of cable that was to be made
D．to measure the depths of two oceans
