Which three of these are types of Ethernet Virtual Connections (EVCs) in the MEF concept? ()
- A、rooted multipoint EVC (E-Tree)
- B、point-to-point EVC (E-Line)
- C、point-to-multipoint EVC (E-Tree)
- D、hub spoke EVC (E-Tree)
- E、multipoint-to-multipoint EVC (E-LAN)
正确答案:A,B,E
答案解析:有
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