Which three MPLS statements are true?()
- A、Cisco Express Forwarding (CEF) must be enabled as a prerequisite to running MPLS on a Cisco router.
- B、Frame-mode MPLS inserts a 32-bit label between the Layer 3 and Layer 4 headers.
- C、MPLS is designed for use with frame-based Layer 2 encapsulation protocols such as Frame Relay, but is not supported by ATM because of ATM fixed-length cells.
- D、OSPF, EIGRP, IS-IS, RIP, and BGP can be used in the control plane.
- E、The control plane is responsible for forwarding packets.
- F、The two major components of MPLS include the control plane and the data plane.
正确答案:A,D,F
答案解析:有
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