How are MPLSLayer3VPN services deployed?
A . The RD and RT values must match under the VRR
B . The RD and RT values under a VRF must match on the remote PE router
C . The import and export RT values under a VRF must always be the same.
D . The label switch path must be available between the local and remote PE routers.
Answer: D
Explanation:
https://www.cisco.com/c/en/us/td/docsliosxr/ncs5500/vpn/65x/b-l3vpn-cg-ncs5500-65x/b-3vpn-cg-ncs5500-65x_chapter_010.html