Câu 32: H31-341-V2-5: Huawei HCIP-Transmission V2.5

Which of the following statements about the PWE3 network reference model is false?

1. A. A CE is unaware of whether it is sending/receiving an emulated service or a native service.
2. B. By means of PWE3, point-to-point channels isolated from each other can be created, and users’ Layer 2 packets are transparently transmitted on a PW.
3. C. A tunnel is a mechanism for transparently carrying information on a network. Tunnels are used to carry PWs, and each tunnel can carry only one PW. — đáp án hiện tại
4. D. A PE is located at the edge of a carrier’s network and provides PWE3 for a CE.