试题详情
单项选择题What is the functionality of L2TP in a BRAS environment?()

A、It tunnels DHCP requests to the LNS.

B、It provides access for analog modem users.

C、It provides RFC 2547 VPN services to the user.

D、It tunnels a PPP session across an IP backbone.

  • D
  • 关注下方微信公众号,在线模考后查看

热门试题