Which two features can be enabled to support asymmetric routing with redundancy on a Palo Alto networks next-generation firewall (NGFW)? (Choose two.)

Which two features can be enabled to support asymmetric routing with redundancy on a Palo Alto networks next-generation firewall (NGFW)? (Choose two.)
A . Active / active high availability (HA)
B . Multiple virtual systems
C . non-SYN first packet
D . Asymmetric routing profile

Answer: A,C