单项选择题

Which WAN protocol is used for out-of-band signaling?（）

A.NCP
B.HDLC
C.LAPB
D.LAPD

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单项选择题

Inverse ARP is being used in the TestKing frame relay network. What is the purpose of Inverse ARP?（）

A. To ma a known IP address to a MAC address
B. To map a known DLCI to a MAC address
C. To ma a known MAC address to an IP address
D. To ma a known DLCI address to a IP address
E. To ma a known IP address to a SPID address
F. To ma a known SPID address to a MAC address

多项选择题

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

A. T1
B. Frame Relay
C. DSL
D. PPP
E. ISDN
F. IPX

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