单项选择题
Which of the following commands gathers network packet statistics？（）
A.netstat -i
B.ifconfig -a
C.errpt -a
D.iptrace -i
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Whichofthefollowingflowcontrolsettingsallowsresumptionofsuspendedoutputbyhittingthe"R"key？（）
A.XON/XOFF
B.NONE
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AnAIXserverhas2networkinterfacesandthesystemadministratorwantstoenabletheusersonthelocallyconfigurednetworkinterfacetobeabletoconnecttosystemsconfiguredontheglobalnetworkinterface.Howisitaccomplished？（）
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单项选择题
Whichofthefollowingfunctionsdoesthe"ifconfigen0"perform？（）
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B.Displays en0 settings
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D.Sends an SNMP alert to the network administrator
