单项选择题
A. Cisco IPS AIM
B. Cisco IOS IPS
C. Cisco IPS NME
D. Cisco Security Agent
E. Cisco IDSM-2
单项选择题 HowdoestheCiscoSecurityAgentproactivelystopbothknownandunknownattacks？（）
多项选择题 Routerscanbeusedtointegrateavarietyofservices.Whichtwocommonservicesareoftenspecifiedbybusinesses？（）
多项选择题 Fromsmallbusinesstolarge-scaleenterprises，whichtwobestdescribehowtheCiscoUnifiedWirelessNetworkreducesoveralloperationalexpenses？（）