地下管线与建筑物和构筑物之间的水平净距,地下管线之间的水平和垂直净距的确定,应考虑哪些因素?
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《铁路旅客车票实名制管理办法》铁路运输企业及其工作人员对实施车票实名制管理所获得的旅客身份信息及乘车信息应当予以公开。
A. 正确
B. 错误
ATM协议工作在()层。
A. 应用层
B. 链路层
C. 网络层
D. 表示层
()已开启省煤器再循环。
A. 点火前
B. 熄火后
C. 锅炉停止上水后
You work as an Exchange Administrator for TechWorld Inc.The company has a Windows 2008 Active Directory-based contains an Exchange Server 2010 organization.You have deployed Hub Transport server, Client Access server, Unti Mailbox server in the messaging organization.You have not deployed any Edge Transport server in the messaging c following servers can be used to receive and send mail traffic to the Internet?()
A. Server configured with the Client Access server role.
B. Server configured with the Hub Transport role.
C. Server configured with the Mailbox role.
D. Server configured with the Unified Messaging server role.