Which statement about the MAC address sticky entries in the switch when the copy run start command is entered is true?
A. A sticky MAC address is retained when the switch reboots.
B. A sticky MAC address can be a unicast or multicast address.
C. A sticky MAC address is lost when the switch reboots.
D. A sticky MAC address ages out of the MAC address table after 600 seconds.
Letter A It is ‘OK’
https://community.cisco.com/t5/switching/what-exactly-does-mac-address-sticky-do/td-p/857804
letter C is correct