Which of the following descriptions about the user-side interface and network-side interface of the E-Line service is correct? (Multiple choice)

Question

Options

• AThe interface on the user side is a layer 2 port, and the interface on the network side is a layer 3 port
• BThe interface on the user side is a layer 3 port, and the interface on the network side is a layer 2 port
• CThe interface on the user side is NNI, and the interface on the network side is UNI
• DThe interface on the user side is UNI, and the interface on the network side is NNI

• A
  84% (42)
• B
  10% (5)
• C
  6% (3)

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