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With the development of ASIC technology, MPLS no longer has obvious advantages in improving the forwarding speed, but why MPLS still widely used for the following reasons? (Multiple choice)

With the development of ASIC technology, MPLS no longer has obvious advantages in improving the forwarding speed, but why MPLS still widely used for the following reasons? (Multiple choice)
A . MPLS combines the powerful Layer 3 routing function of the IP network with the efficient forwarding mechanism of the traditional Layer 2 network.
B . MPLS supports multi-layer tags and connection oriented.
C . Traffic Engineering, Virtual Private Network, Quality of Service applications provide better solutions.
D . MPLS is not easy to achieve seamless integration of IP and ATM, frame relay and other Layer 2 networks.

Answer: ABC

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