多项选择题
Which of the following would be considered a routing protocol？（）
A.OSPF
B.DHCP
C.SMTP
D.SNMP
E.RIP
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相关考题
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单项选择题
WhichofthefollowingnetworkservicesisresponsibleformappingnamestoIPaddresses？（）
A.DHCP
B.DNS
C.IMAP4
D.Telnet -
单项选择题
Whenoneconnectiontoahostfailsinafullmeshnetwork，whichofthefollowingistrue？（）
A.All hosts can communicate.
B.No hosts can communicate.
C.Half of the hosts will lose communication.
D.Only the two hosts between the failed connection will lose communication. -
单项选择题
AuserconnectstothecompanysintranetserverviaaVPNconnectionfromasmalloffice/homeoffice（SOHO）usingthebroadbandservice.Oneday，theusercannotsuccessfullyconnecttotheVPNandreceivesanerrormessagethatstates"Usernameandpasswordareinvalidonthedomain."Whichofthefollowingshouldbedonetocorrectthisproblem？（）
A.Call the corporate help desk to have the VPN server rebooted
B.Re-enter the username and password in the VPN connection and reconnect
C.Call the broadband Internet provider to replace the SOHO router with a newer model
D.Ping the corporate VPN server to ensure it is online
