试题详情
单项选择题You are the Cisco Network Designer in Cisco.com. Which of these is a Layer 2 transport architecture that provides packet-based transmission optimized for data based on a dual ring topology?()

A、DynamicTrunking Protocol

B、Resilient Packet Ring

C、Synchronous Digital Hierarchy

D、Coarse Wave Division Multiplexing

  • B
  • 关注下方微信公众号,在线模考后查看

热门试题