单项选择题
A.when using the established keyword，a location close to the destination point to ensure that return trafficis allowed
B.an intermediate location to filter as much traffic as possible ActualTests.com
C.a location as close to the source traffic as possible
D.a location as close to the destination traffic as possible
单项选择题 Informationaboutamanageddevicesresourcesandactivityisdefinedbyaseriesofobjects.What definesthestructureofthesemanagementobjects？（）
单项选择题 WhatCiscoSecurityAgentInterceptorisinchargeofinterceptingallread/writerequeststothercfilesin UNIX？（）
多项选择题 WhichthreeitemsareCiscobest-practicerecommendationsforsecuringanetwork？（）