题目内容

调制速率定义为单位时间内传输的（）的个数，又称为符号速率或（），单位是（）。

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帧中继与ATM互连业务端的双方用户设备都同时既执行帧中继功能，也同时进行ATM功能。

A. 正确
B. 错误

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与客户交错而过时，面带微笑，行（）度鞠躬礼，头和身体自然前倾，低头比抬头慢；

A. 15
B. 20
C. 35
D. 45

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为了防止噪音的刺激服装企业只适合安装低音喇叭，而且开放时间不要过长，以保证工人集中精力进行生产。

A. 正确
B. 错误

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What are two circumstances for which it may be advisable to use the silent uninstallation method instead of an interactive method？（）

A. The Administrator is unable to successfully export DISPLAY to a remote server.
B. IBM Tivoli Workload Scheduler is installed on a server for which there is no console access.
C. DNS is not working properly and the server cannot be accessed remotely to run the uninstallation script.
D. TCP on the server on which IBM Tivoli Workload Scheduler is installed is configured for half-duplex rather than full-duplex.
E. The remote IBM Tivoli Workload Scheduler server is multi-homed， thus the return connection to IBM Tivoli Workload Scheduler cannot be established thereby requiring the use of the silent uninstaller.

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