The custom signature ID of a Cisco IPS appliance has which range of values?

The custom signature ID of a Cisco IPS appliance has which range of values?

A.
10000 to 19999

B.
20000 to 29999

C.
50000 to 59999

D.
60000 to 65000

E.
80000 to 90000

F.
1 to 20000