A.The firewall has four security zones by default, and the priorities of these four security zones do not support modification.

B.The firewall can create two security zones with the same priority

C.A firewall can have up to 12 security zones

D.When data flows between different security zones, the security check of the device will be triggered and corresponding security policies will be implemented.

A.Packet payload

B.Source and destination MAC addresses

C.Source and destination IP addresses

D.Source and destination port numbers and protocol ports

A.Packets with source address 1.1.1.1 and destination address 2.2.2.2 are discarded.

B.Packets with source address 1.1.1.10 and destination address 2.2.2.2 are discarded.

C.Packets with source address 1.1.1.255 and destination address 2.2.2.2 are allowed to pass.

D.Packets with source address 1.1.255.255 and destination address 2.2.2.2 are allowed to pass.

A.The mirror port sends the received packets to the monitoring device

B.The mirror port copies the packet to the observing port

C.The observing port sends the received packets to the monitoring device

D.The observing port copies the packet to the mirrored port