Which three options are major reasons to export NetFlow data in v9 format rather than v5? (Choose three.)
A. IPv6 and MPLS field support
B. well-known fixed field definitions
C. fields for Layer 2 NetFlow
D. Version 9 exports are template-based.
E. Multicast flows are supported in v9 only.
F. support for sampled NetFlow
G. IPv4 and IPv6 flow statistics can be combined in the same export.
H. NetFlow v9 supports more granular aging timers.
