单项选择题
A. In a single device，ISRs provide threat defense against attacks from hackers and viruses thatcan occur in the network.
B. In a single device，ISRs provide the framework to integrate and extend wired and wirelessnetworks.
C. In a single device ISRs provide concurrent security， voice， data， wireless and applicationoptimization services.
D. In a single device，ISRs provide the common fabric，functionality，and CLI across the network.
多项选择题 Hacksandintrusionsaffecttheeconomicperformanceofbusinessesimmediately，intheshort-term，andinthelong-term.Whichtwooftheseareshort-termeconomicimpactsofasecurity breach？（）
多项选择题 WhichtwofunctionsdoesCiscoConfigurationAssistantprovide？（）
多项选择题 Whichtwoactions，whentakenincombination，willresultinaneffectivenetworksecuritysolution？（）