Which two statements are correct regarding site IDs and circuit IDs in a VPLS routing instance? (Choose two.)
A. In an LDP VPLS routing instance, vpls-id parameters must be different in each location.
B. In an LDP VPLS routing instance, the vpls-id parameters must match in all locations.
C. In a BGP VPLS routing instance, the site-id parameters must be different in each location.
D. In a BGP VPLS routing instance, the site-id parameters must match in all locations.