单选题What protocol enables Ethernet over SONET/SDH encapsulation interoperability between the G-series and ML-series Ethernet cards？（）A LEXB HDLCC GFP-FD PPP/BCP
单选题
What protocol enables Ethernet over SONET/SDH encapsulation interoperability between the G-series and ML-series Ethernet cards？（）
A
LEX
B
HDLC
C
GFP-F
D
PPP/BCP
参考解析
解析：
暂无解析
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