单项选择题
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
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相关考题
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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 -
单项选择题
Auserstatesthattheycannotaccessanetworkshareddrive.Thetechnicianhasverifiedthattheclientsnetworkcableisgood.TheIPaddressofthemachineis169.254.10.15.Whichofthefollowingisthecauseoftheproblem？（）
A.The WINS server is not resolving names properly.
B.The DNS server is not resolving names.
C.The DHCP server is out of IP address leases.
D.The hosts file is corrupted.
