Which command configures a Source Specific Multicast on a Cisco IOS XR router?
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A.
configure
multicast-routing address-family ipv4
interface all enable
exit
router igmp
version 3
commit
B.
configure
multicast-routing address-family ipv4
interface all enable
exit
router igmp
version 2
commit
C.
configure
multicast-routing address-family ipv4
interface all enable
exit
router igmp
version 1
commit
D.
configure
interface all enable
exit
router igmp
version 3
commit