Which switch feature, when enabled, automatically learns the MAC address(es) that sends traffic over a switchport and stores it (them) in the port-security configuration?
A) Sticky secure MAC addresses
B) Static secure MAC addresses
C) PortFast
D) BPDU Guard
A
Explanation: A) The sticky secure MAC addresses feature enables a switch to learn the MAC addresses off a switchport and automatically enter them into the port security configuration. This capability is useful when new switches are being deployed. The first x number of MAC addresses are learned (1 is the default), and then they are enabled as the only addresses that are allowed to send traffic over the switchport.
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