A company is about to install a second network connect on with a new ISP. Which of the followingrouting protocols is the BEST choice?（）

单项选择题An administrator wants to be alerted when a network-based attack is underway, but the company policy prohibits blocking or dropping network connections. Which of the following MUST be deployed?（）

A.IDS
B.IPS
C.Firewall
D.Managed PKI

单项选择题Which of the following components is typically used for voice transmissions and has a 10Mbpsmaximum transfer speed?（）

A. 110 block
B. Patch panel
C. Vertical cross connect
D. 66 block