单项选择题

A.UnitedThreatMonitorB.UniversalThreatManagerC.UnifiedT……

All－in－oneUTMsecuritygatewaysarestartingtodisplaceroutersinmanysmallbusinessnetworks.WhatdoesUTMstandfor？（）

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

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