你正在为 Web 应用创建一个控件 ContosoUI。你需要增加这个控件到 Microsoft VisualStudio .NET 的工具栏。你应该通过下面那两个操作完成？（）
A. 创建ContosoUI控件为Web控件库。
B. 创建ContosoUI控件为Web用户控件。
C. 在Visual Studio .NET 工具栏，浏览并选择ContosoUascx。
D. 在Visual Studio .NET 工具栏，浏览并选择ContosoUdll.
查看答案
Which types of prefixes will a router running BGP most likely advertise to an IBGP peer， assuming it is notconfigured as a route reflector？（）
A. prefixes received from any other BGP peer and prefixes locally originated via network statements or redistributed
B. all prefixes in its routing table
C. prefixes received from EBGP peers and prefixes locally originated via network statements or redistributed
D. prefixes received from EBGP peers and prefixes received from route reflectors
E. prefixes received from other IBGP peers， prefixes received from EBGP peers，and prefixes redistributedto BGP
F. prefixes received from other IBGP peers and prefixes received from route reflector
自动扶梯的坡度一般为（）。
A. 20°
B. 25°
C. 30°
D. 35°
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