题目内容

Which three of these pre-requisite for resetting a Catalyst Express 500 switch when Cisco Network Assistant is unavailable?()

At Least one enabled switch port that is unconnected to any device
B. A PC pre-configured with a specific IP Address and Mask
C. A PC or laptop with Windows 2000 or Windows XP installed and a web browser that has Java Script enabled
D. Physical Access to Switch
E. A Switch with no connected device

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下述那种描述正确?

A. 当APU转速超过95﹪,如果OIL PRESS LOW灯亮并保持10秒以上,ECU启动自动关车程序
B. 如果滑油温度超过141-147℃,并保持1秒以上,ECU启动自动关车程序
C. 以上都不正确
D. 以上都正确

华润三九的前身是()。

A. 南方制药有限公司
B. 九九九皮炎平制药厂
C. 哈药六厂
D. 深圳南方制药厂

杨树黑斑病症状是什么?

APU滑油滤是否有旁通功能?

A. 有
B. 没有

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