How Does the Dynamically-Learned MAC Address Feature Function

Multiple Choice

How does the dynamically-learned MAC address feature function?

A) The CAM table is empty until ingress traffic arrives at each port
B) Switches dynamically learn MAC addresses of each connecting CAM table.
C) The ports are restricted and learn up to a maximum of 10 dynamically-learned addresses
D) It requires a minimum number of secure MAC addresses to be filled dynamically