In a service provider SDN environment, which two steps take place in the BGP Link State Architecture? (Choose two.)
A. IGP use BGPLS data from remote peers
B. Advertise the BGP-LS NLRIs to the topology server
C. Enable access to the Adj-RIB-In (BGP raw format) of a peer border router or provider edge router
D. IGP is redistributed into BGP-LS
E. BGP download the received BGP LS data to the IGP component on the router
