Which two restrictions of the port security feature are true? (Choose two.)

Which two restrictions of the port security feature are true? (Choose two.)
A . Static port MAC address assignments are not supported.
B . It is not supported on PVLAN ports.
C . It is not supported on EtherChannel port-channel interfaces.
D . A single device can learn a maximum of three sticky MAC addresses.
E . It is supported on destination SPAN ports.

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Answer: AC