多项选择题
A. Legacy DDR can use port information to define interesting traffic.
B. Legacy DDR can configure multiple dialer configurations on the same interface.
C. Legacy DDR can use ACLs to define interesting traffic.
D. HDLC or PPP can be used to encapsulate ISDN D channel information.
E. The BRI interfaces on ISDN routers with dialer profiles configured cannot belong to multiple dialer pools.
F. Dialer profiles cannot use extended ACLs to define interesting traffic.
单项选择题 You have a single ISDN BRI B channel. What is its maximum bandwidth capacity of this one channel?（）
单项选择题 A new asynchronous connection is being installed in your network. Which pair of WAN encapsulations types is suitable for asynchronous lines?（）
单项选择题 Which WAN technology was designed to give homes and small business high speed digital dial-up service over already existing communication infrastructure?（）