单项选择题

Whichofthefollowingnetworkprotocolsisneededtoensurethat……

Which of the following network protocols is needed to ensure that users can type in a FQDN instead of the IP address？（）

A.DNS
B.FTP
C.WINS
D.IMAP4

<上一题目录下一题>

热门试题

多项选择题WhichofthefollowingarevalidpublicIPv4addresses？（）

A.10.2.127.220/16
B.127.0.0.1/24
C.212.2.17.54/16
D.9.2.128.254/8
E.127.2.126.213/24

单项选择题Auserhasasmallnetworkoffourcomputersthattheywanttoconnecttoasinglecablemodem.Whichofthefollowingdeviceswouldallowtheusertodothis？（）

A.Four port switch
B.Four port wireless router
C.Four port WAP
D.Four port hub