DRAG DROP
Drag the Subsequent Address Family identifiers number on the left to the correct protocol on the right.
Answer: 
Explanation:
1 – Network Layer Reachability Information used for unicast forwarding
2 – Network Layer Reachability Information used for multicast forwarding
4 – Network Layer Reachability Information with MPLS Labels
65 – Virtual Private LAN Service
66 – BGP MGT SAFI
128 – MPLS-labeled VPN address
Reference: http://www.iana.org/assignments/safi-namespace/safi-namespace.xhtml