Which of the following if addresses can be assigned to host devices?（） [" 205.7.8. 32\/27"," 191.168. 10. 2\/23"," 127.0.0.1"," 224.0.0.10"," 203.123.45. 47\/28"," 10.10.0.0\/13"]
什么是党的“四个服从”纪律要求？
电气用具的电线不准接触（）。 ["人体","热体","冷体","固体"]
目前常用的服务器端网络操作系统是（）。 [" Windows Server 2008 R2"," DOS"," Windows 3.1"," Windows XP"]
《中国共产党廉洁自律准则》将落脚点放在永葆党的（）上。 ["先进性","代表性","广泛性","纯洁性","崇高性"]
HTTP连接默认的TCP端口号为
