In which two ways can RPF checking be disabled? (Choose two )

In which two ways can RPF checking be disabled? (Choose two )
A . Enable anti-replay in firewall policy.
B. Disable the RPF check at the FortiGate interface level for the source check
C. Enable asymmetric routing.
D. Disable strict-arc-check under system settings.

Answer: C,D

Explanation:

Reference: https://kb.fortinet.com/kb/documentLink.do?externalID=FD33955