Which statement about Policy-Based Tunnel Selection implementation on Cisco CRS Series is true?
A. Load balancing across multiple MPLS TE tunnels is not supported.
B. IGP and LDP are the default path for traffic that do not meet any of the classification criteria.
C. Classification criteria of the incoming packets can be based on IP precedence, EXP, or TOS field in the packet.
D. PBTS is activate only when policy-based routing is applied.
