单项选择题
A.ping
B.netstat
C.nbtstat
D.telnet
单项选择题 WhichofthefollowingnetworkprotocolsisneededtoensurethatuserscantypeinaFQDNinsteadoftheIPaddress?()
多项选择题 WhichofthefollowingarevalidpublicIPv4addresses?()
单项选择题 Auserhasasmallnetworkoffourcomputersthattheywanttoconnecttoasinglecablemodem.Whichofthefollowingdeviceswouldallowtheusertodothis?()