Which two prerequisites for BFD are true? (Choose two)

Which two prerequisites for BFD are true? (Choose two)
A . For layer 3 port channels used by BFD, you must enable LACP on the port channel.
B . Install NETWORK_SERVICE_PKG license.
C . Disable the IP packet verification check for identical IP source and destination addresses.
D . Enabled ICMP redirect messages on BFD-enabled interfaces.
E . For layer 2 port channels used by BFD, you must disable LACP on the port channel.

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Answer: A C