The USG firewall is directly connected to other devices at Layer 3. During commissioning, it was found that the peer IP address directly connected from the firewall could not be pinged. It was confirmed that there was no problem with the peer device. What are the possible reasons? (Multiple Choice)

The USG firewall is directly connected to other devices at Layer 3. During commissioning, it was found that the peer IP address directly connected from the firewall could not be pinged. It was confirmed that there was no problem with the peer device. What are the possible reasons? (Multiple Choice)
A . Routing configuration error on the firewall
B. The firewall interface is not added to the security domain
C. The packet filtering from the firewall local to the corresponding security domain is not enabled
D. The intra-domain packet filtering policy of the corresponding domain of the firewall is not enabled

Answer: BC