the modem is seated properly.
the number being dialed is valid.
there are resource conflicts.
there is power to the modem.
the modem speaker is enabled.
第1题：
下列关于软Modem的描述中，正确的是( )。
A．软Modem就是软件模拟Modem，无需额外的硬件设备就能联网的Modem
B．大多数的外置Modem和USB接口的Modem都是Modem
C．软Modem将大部分任务交由CPU来完成，会占去一部分系统资源
D．软Modem价格比硬Modem稍贵
第2题：
During the modem boot process，how does the modem acquire the downstream channel？（）
第3题：
A. Computer> cable modem > router
B. Cable modem> router> computer
C. Cable modem> computer> router
D. Router> cable modem> computer
第4题：
Modem上的（）灯是外线灯，它代表从机房到您家中Modem这段线路的情况。
第5题：
Which of the following is the proper order for powering off and on network components?（）
第6题：
When a computer does not recognize an internal modem， a technician should determine whether：（）
第7题：
If a technician suspects that the voltage being delivered to a desktop computer’s power supply is insufficient or incorrect, which device should be used to determine the correct voltage?（）
第8题：
A. Audio Modem Riser
B. Audio Modem Rectifier
C. Audio Multiplication Rectifier
D. Audio Modern Riser
第9题：
You are the desktop administrator for the sales department at Company. All employees have Windows2000 Professional portable computers.Sales department users require dial-in access to the company network when they travel to customerlocations. These users must also be able to fax documents to customers from their computers.You need to configure network dial-up access immediately for a user named Anne. First, you insert a 56-Kbps PCMCIA fax modem into Anne’s computer. You restart the computer and log on as a localadministrator. Then, you start the Network Connection Wizard. However, the modem does not appear inthe list of devices that you can select for marking the dial-up connection.You need to be able to install Anne’s modem. What should you do?（）
第10题：
下面各说法中的（）是正确。