单项选择题

When one connection to a host fails in a full mesh network， which of the following is true？（）

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.

<上一题目录下一题>

热门试题

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

单项选择题WhichofthefollowingistrueregardingNetWareDirectoryServices（NDS）configuration？（）

A.Remote users can access the tree through dial-in connections.
B.Mobile users do not require changing the NDS name context.
C.Remote users do not require a special NDS object entry.
D.There are no differences between mobile users and remote users.

单项选择题Whichofthefollowingisaself-assignedaddressbasedonAPIPA？（）

A.169.255.1.0
B.169.254.1.1
C.192.168.1.0
D.192.168.1.1

单项选择题802.11securityisdefinedin：（）

A.802.11a.
B.802.11b.
C.802.11g.
D.802.11i.

单项选择题WhichofthefollowingmethodsofuserauthenticationistheMOSTsecure？（）

A.CHAP
B.Kerberos
C.TACACS
D.EAP