WAN data link encapsulation types include which of the following?（）

多项选择题Which of the following commands would be applied to a WAN interface, but not on LAN Interface?（）

A. IP address
B. encapsulation PPP
C. no shutdown
D. PPP authentication CHAP
E. Speed
F. None of the above

多项选择题Which of the following statements correctly describes the characteristics of a Frame Relay point-to-point subinterface?（）

A. Needs to use Inverse ARP.
B. Maps a single IP subnet per DLCI.
C. Maps a single IP subnet across multiple DLCIs.
D. Resolves NBMA (non broadcast multi access) split horizon issues.
E. Requires use of the frame-relay map command.
F. None of the above

单项选择题In regard to a hub and spoke Frame-Relay data network, what kind of physical network is it classified as?（）

A. point-to-point
B. broadcast multi-access
C. nonbroadcast multipoint
D. nonbroadcast multi-access
E. broadcast point-to-multipoint

多项选择题Which of the following statements regarding ISDN are correct?（）

A. Each ISDN B channel has transmission speeds of up to 64 kbps.
B. The ISDN B channel can carry video, voice or data.
C. The ISDN B channel transmission rate varies depending on the service used.
D. The ISDN D channel transmits control information.
E. The ISDN B channels can be configured with different subnets and encapsulation types when dialer profiles are configured.

多项选择题Which of the following are correct regarding ISDN?（）

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.