列车在车站发生行车事故时,担任事故处理负责人的是该站的值班站长。
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来自工业生产现场的输入信号经输入模块进入PLC,这些信号可以是()等。
A. 数字量
B. 模拟量
C. 直流信号
D. 交流信号
Your network contains an internal network and a perimeter network. The internal network contains an Active Directory forest. The forest contains a single domain. You plan to deploy 10 Edge Transport servers on the perimeter network. You need to recommend a solution for the Edge Transport server deployment. The solution must meet the following requirements: .Allow administrators to apply a single security policy to all Edge Transport servers .Reduce the administrative overhead that is required to manage servers .Minimize the attack surface of the internal network What should you recommend?()
A. Implement Network Policy and Access Services (NPAS).
B. Implement Active Directory Federation Services (AD FS).
Create a new Active Directory domain in the internal forest, and then join all Edge Transport servers to the new domain.
D. Create an Active Directory forest in the perimeter network, and then join all Edge Transport servers to the new domain.
车轮与闸瓦间的摩擦是属于一种()。
A. 静摩擦
B. 滑动摩擦
C. 滚动摩擦
D. 非静、非滑动摩擦