Which of the following statements about this configuration is true?

As shown in the figure, BFD is bound to a static route, and the administrator has made the following configuration on firewall A:

[USG6000_A] bfd

[USG6000_A-bfd] quit

[USG6000_A] bfd as bind peer-ip 1.1.1.2

[USG6000_A-bfd-session-aa] discriminator local 10

[USG6000_A-bfd-session-aa] discriminator remote 20

[USG6000_A-bfd-session-aa] commit

[USG6000_A-bfd-session-aa] quit

Which of the following statements about this configuration is true? (Multiple Choice)

A . The command "bfd as bind peer-ip 1.1.1.2" is used to create a BFD session binding policy for link status detection
B . The [USG6000_A] bfd configuration in this command is incorrect, it should be changed to [USG6000_A] bfd enable to enable the BFD function
C . [USG6000_A-bfd-session-aa] commit is an optional configuration. If not configured, the system will submit the configuration by default and generate BFD session log information, but will not create a session table
D . The command on the firewall also needs to bind the BFD session to the static route:
[USG6000_A] ip route-static 0.0.0.0 0 1.1.1.2 track bfd-session aa

Answer: AD