单项选择题
A. Enable Proxy ARP.
B. Disable Proxy ARP.
C. Enable Inverse ARP.
D. Disable Inverse ARP.
单项选择题 You can successfully ping a Bridged 1483 customers workstation from the local ERX. However, a remote ERX router in your network cannot ping that same device. What could be causing this problem?（）
单项选择题 In a Bridged 1483 network, which set of commands represent an operationally correct configuration for an ATM subinterface?（）
单项选择题 In a Bridged 1483 network, what Layer 2 encapsulations are passed between the DSL bridge and the ERX?（）