In the SDN RR+ solution, the AC can provide which of the following functions? (Choose all that apply.)

In the SDN RR+ solution, the AC can provide which of the following functions? (Choose all that apply.)
A . Calculates optimal paths globally based on multiple constraints.
B . Pre-defines BGP routing policies.
C . Generates BGP routes/policies and applies them to devices.
D . Manages topology and BGP relationships

Answer: CD