How does the dynamically-learned MAC address feature function?

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

View Answer

Answer: A