单项选择题
To ensure quality, what is the maximum end-to-end transit time in milliseconds on a voice network?（）
A.50 B.100 C.150 D.200 E.250
多项选择题 Which two statements about Cisco Security Management Suite are correct?（）
多项选择题 Which three mechanisms are used to secure management traffic from outside IPS sensors?（）
多项选择题 In which two locations in an enterprise network can an IPS sensor be placed?（）
