多项选择题
A. develop a policy for securing the network
B. monitor and test network activities for vulnerabilities
C. implement reflexive access lists
D. implement dynamic access lists
E. select and implement a single comprehensive virus protection program
多项选择题 WhataretwofeaturesoftheCiscoCatalystExpress500Seriesthatwouldmakeitanattractive optiontoagrowingbusinessofupto250employees？（）
单项选择题 Whenabusinesssuffersasecuritybreach，therecanbeseriousramifications.Whatisoneofthe immediateimpactsthatthebusinesscansufferbecauseofasecuritybreach？（）
单项选择题 Whichsegmentwouldbenefitfromintegratingtheinternalsystemsofacompany，includingthose forinventory，paymentprocessing，marketing，accounts，andordertracking？（）