试题详情
单项选择题A user is connected on a DSL line and is using a PPP over Ethernet service. Which network device encapsulates the datagram inside of an ATM header?()

A、DSLAM

B、DSL modem

C、ERX Edge Router

D、customer workstation

  • B
  • 关注下方微信公众号,在线模考后查看

热门试题