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?（）
多项选择题 Which of the following commands would be applied to a WAN interface, but not on LAN Interface?（）
多项选择题 Which of the following statements correctly describes the characteristics of a Frame Relay point-to-point subinterface?（）