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单项选择题

WhatcanyouinstallonIPCCExpresstoprotectagainstworms,zero－dayviruses,andotherimmediatesecuritythreats?（）

A.MicrosoftManagementConsole
B.CiscoSecurityAgent(headlessagent)
C.CiscoSecurityAgentManagementCenter
D.MicrosoftSQLServer2000
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热门试题

单项选择题Whatisthedifferencebetweenthetransmittedpowerandthesensitivityofthereceiver？（）

A.OSNR
B.dispersion
C.attenuation
D.powerbudget
E.amplifierspacing
F.fourwavemixing

单项选择题SelectakeybenefitofDSL.（）

A.TCPpacketsizescanbeoptimizedbytheroutersothereisnoIPSecorAAL5padding.
B.ThelocalloopisadedicatedconnectionforasinglesubscribertotheDSLAM.
C.AccesstotheWANmediausesapoll/responsemechanismsonotwosubscriberstransmitatthesametime.
D.TherearenodistancerequirementsfromtheCentralOffice(CO).

单项选择题All－in－oneUTMsecuritygatewaysarestartingtodisplaceroutersinmanysmallbusinessnetworks.WhatdoesUTMstandfor？（）

A.UnitedThreatMonitor
B.UniversalThreatManager
C.UnifiedThreatManagement
D.UltimateThreatMonitoring

单项选择题WhichprotocoldoestheUCSFabricInterconnectsupportonportchanneluplinks?（）

A.LACP
B.PAgP
C.MCPC

单项选择题WhichstatementistruewhenICMPechoandecho－replyaredisabledonedgedevices？（）

A.Pingsareallowedonlytospecificdevices.
B.CDPinformationisnotexchanged.
C.Portscanscannolongerberun.
D.Somenetworkdiagnosticdataislost.
E.Wirelessdevicesneedtobephysicallyconnectedtotheedgedevice.
F.OSPFroutingneedsthecommandipospfnetworknon-broadcastenabled.