单项选择题
A.DNS is not working properly B.Ping is not working properly C.The cables are disconnected D.The device driver did not load properly
Ahostistobepartofaverysmallprivatenetwork，whichwillneve...
单项选择题A host is to be part of a very small private network， which will never be connected to any other networks. Which of the following name resolution schemes would be the easiest to implement？（）
A.DNS B.NIS C.DHCP D.etc/hosts file
Theinternetaddress198.102.27.120representswhichofthefol...
单项选择题The internet address 198.102.27.120 represents which of the following addresses？（）
A.Class A B.Class B C.Class C D.Class D
Whichofthefollowingadaptersshouldbeconnectedtocoaxialca...
单项选择题Which of the following adapters should be connected to coaxial cabling without the use of media converters？（）
A.Adapter with AUI connector B.Adapter with BNC connector C.Adapter with RJ-45 connector D.Adapter with DB-25 connector
