Which three options are results of the command no mpls ip propagate-ttl? (Choose three.)
A. It prevents the TTL from being copied from the IP header to the MPLS header.
B. It prevents the MPLS hops from being visible to a CE router when you perform a traceroute.
C. A fixed TTL value of 255 is used for the first label of the IP packet.
D. It prevents the TTL from being copied from the MPLS header back into the IP header.
E. MPLS hops remain visible on a CE router when you perform a traceroute.
F. A fixed TTL value of 1 is used for the first label of the IP packet.
