Which of the following MPLS statements is false?

MPLS is a label forwarding technology.

Which of the following MPLS statements is false?
A . MPLS uses the connection-oriented control plane and connectionless data plane.
B . The control plane transmits route information and distributes labels. The data plane transmits packets along the created label switched path (ISP).
C . Switches in an MPLS domain only need to forward packets based on the label added before the IP header.
D . Compared with traditional IP forwarding, MPLS label forwarding greatly improves the data forwarding efficiency.

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Answer: A