What are two advantages of NBAR2 over NBAR? (Choose two)
A. Only NBAR2 support Flexible NetFlow for extracting and exporting fields from the packet header.
B. Only NBAR2 allows the administrator to apply individual PDL files.
C. Only NBAR2 support PDLM to support new protocals.
D. Only NBAR2 can use Sampled NetFlow to extract pre-defined packet headers for reporting.
E. Only NBAR2 supports custom protocols based on HTTP URLs.
