单项选择题
A. A static IP address is used.
B. An unnumbered address is used.
C. The returned RADIUS address is used.
D. The IP address-pool configuration is used.
单项选择题 The router receives a login request from a PPP over ATM client and examines the domain map for the clients domain. The router finds no entries currently configured within the domain map. What does the router do with the login request?（）
单项选择题 By default, which PPP mechanism does the ERX Edge Router use to monitor the session for a PPP over ATM client?（）
单项选择题 Which command displays the IPNCP parameters for all connected PPPoA subscribers?（）