You work as a network engineer for. You study the exhibit carefully. Which of these is true based upon the output shown in the command？（）  Exhibit：

• A、The port has security enabled and has shut down due to a security violation.
• B、The port is operational and has reached its configured maximum allowed number of MAC addresses.
• C、The port will allow access for 11 MAC addresses in addition to the 3 configured MAC addresses.
• D、If the number of devices attempting to access the port exceeds 11， the port will shut down for 20 minutes， as configured.