On an IP network, the service level is identified by the IP precedence or DSCP of the IP packet. However, for an MPLS network, the IP header of the packet is invisible to the LSR (Label Switching Router) device. Therefore, the EXP field of the MPLS packet needs to be marked at the edge of the MPLS network.

On an IP network, the service level is identified by the IP precedence or DSCP of the IP packet. However, for an MPLS network, the IP header of the packet is invisible to the LSR (Label Switching Router) device. Therefore, the EXP field of the MPLS packet needs to be marked at the edge of the MPLS network.
A . TRUE
B . FALSE

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Answer: A