Which of these is a Layer 2 transport architecture that provides packet-based transmission optimized for data based on a dual (counter-rotating) ring topology?()
A
DTP
B
RPR
C
SDH
D
CWDM
E
DWDM
正确答案:
A
解析:
暂无解析
第2题:
单选题
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 ringtopology?()