Asystemhasacriticalneedfornetworkservicesonasmallnetworkwithalimitednumberofhosts.Systemoverheadisnotaconcern.Whichofthefollowingshouldthesystemadministratordotohelpensureconnectivityintheeventofagatewayfailure？（）A.UsetheifconfigcommandtoenabledeadgatedetectionB.UsethenocommandtosetactivedeadgatewaydetectionC.UsetheroutecommandtosetactivedeadgatewaydetectionD.Addthelineactive_dgd=1tothe/etc/gated.confcommandandrefreshthegateddaemon
Asystemhasacriticalneedfornetworkservicesonasmallnetworkwithalimitednumberofhosts.Systemoverheadisnotaconcern.Whichofthefollowingshouldthesystemadministratordotohelpensureconnectivityintheeventofagatewayfailure？（）
A.Usetheifconfigcommandtoenabledeadgatedetection
B.Usethenocommandtosetactivedeadgatewaydetection
C.Usetheroutecommandtosetactivedeadgatewaydetection
D.Addthelineactive_dgd=1tothe/etc/gated.confcommandandrefreshthegateddaemon
相关考题：
当今世界正经历百年未有之大变局,新一轮科技革命和产业变革深入发展,国际力量对比深刻调整,()仍然是时代主题,人类命运共同体理念深入人心。 A.和平与发展B.稳定与发展C.和平与建设D.稳定与建设
YourbossatCertkiller.comwantsyoutoclarifyOracle10g.Whichconditioninyourdatabaseforcesyoutoperformonlyconsistentbackups?() A.Thedatabaseisinmountstate.B.Oneofthetablespacesisoffline.C.Oneofthetablespacesisreadonly.D.ThedatabaseoperatesinARCHIEVELOGmode.E.ThedatabaseoperatesinNOARCHIEVELOGmode.
WhatIBMresourceisasearchengineusedtomatchhardwareandsoftwarerequirementstohelpyoumaximizeyoursalesopportunities?() A.IBMSolutionsandOptionsGuideB.IBMConfigurationandOptionsGuideC.IBMSizingGuidesD.IBMServerProven
使用家用电脑能一边听音乐,一边玩游戏,这主要体现了WindowsXP的()。 A.人工智能技术B.自动控制技术C.文字处理技术D.多任务技术