Which of the following description of Transit node forwarding in the MPLS forwarding process is correct?
A . According to the label value of MPLS, check the corresponding FIB table to get the Token.
B . Find the corresponding NHLFE entry according to the Token of the FTB table.
C . View the NHLFE entry to get the outbound interface, next hop, outgoing label, and label operation type.
D . If the tag value is 1, the tag will be popped directly, and the EXP and TTL will be processed at the same time, and then the IP forwarding or the next layer of label forwarding will be performed.
E . If the tag value is >=15, replace the old tag in the MPLS packet with the new tag, process the EXP and TTL, and then send the MPLS packet with the replaced tag to the next hop.
Answer: C
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