单项选择题 Which utility is used to restrict the number of addresses assigned to subscribers on a Bridged 1483 interface?（）

单项选择题 In a Routed 1483 network, a provider doesnt want to configure static routes for its customer networks. Which command allows the ERX to obtain the framed route stored on the RADIUS server?（）

单项选择题 When configuring the router to support dynamic PPPoE interfaces, which command string controls the number of sessions supported?（）