- 搜標題
- 搜題干
- 搜選項
單項選擇題
Which of these technologies is characterized as being a multipoint Layer 2 VPN that connects two or more customer devices using Ethernet bridging techniques?（）
A.DPT
B.MPLS
C.VPLS
D.CWDM
E. DWDM
F. SONET/SDH
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