Which Cisco IOS XR command should be used in order to enable LDP on all interfaces for which
the IGP protocol is enabled?
A.
RP/0/0/CPU0:R1(config-ospf)#mpls ldp auto-config
B.
RP/0/0/CPU0:R1(config-ospf)#mpls ldp interface all enable
C.
RP/0/0/CPU0:R1(config-ospf)#enable all
D.
RP/0/0/CPU0:R1(config-ldp)#enable all
Explanation: