SDN-WAN solution government affairs unified construction mode, the incorrect description of SRv6 tunnel design is ().

SDN-WAN solution government affairs unified construction mode, the incorrect description of SRv6 tunnel design is ().
A . Business slicing must use SRv6 Policy tunnel, which can be a strict explicit path or a loose path.
B . The entire network uses NCE-P to calculate paths for the sliced network based on affinity attributes to ensure optimal paths throughout the network and make full use of link bandwidth while ensuring service quality.
C . Deploy SRv6 Policy tunnels vertically between district, county, city, and provincial wide area cores to optimize traffic, improve bandwidth utilization, and ensure service quality.
D . The SRO6fPolicy tunnel can be carried in the default slice network or in the non-default slice network. For default slices, the SRv6BE mode is preferred. Services with special requirements can also be carried using SRv6 Policy tunnels.

Answer: A