单项选择题
A. radius accounting server 10.13.7.55
B. aaa domain-map dynamic1483 default loopback 0
C. subscriber ip user customer1 domain isp1.com password abcde
D. atm pvc 99 0 99 aal5autoconfig subscriber isp1.com password abcde
单项选择题 When configuring the router to support dynamic PPPoE interfaces, which command string controls the number of sessions supported?（）
单项选择题 Which configuration command permits dynamic detection of the ATM frame format?（）
多项选择题 Which three properties or behaviors of an IP interface are defined by a profile? （）(Choose three.)