If a network engineer applies the command mac-address-table notification mac-move on a Cisco switch port, when is a syslog message generated?

A.
A MAC address or host moves between different switch ports.

B.
A new MAC address is added to the content-addressable memory.

C.
A new MAC address is removed from the content-addressable memory.

D.
More than 64 MAC addresses are added to the content-addressable memory.

Explanation:
mac-address-table notification mac-move
To enable MAC-move notification, use the mac-address-table notification mac-move command in global configuration mode. To disable MAC-move notification, use
the no form of this command. Mac-address-table notification mac-move [counter [syslog]] no mac-address-table notification mac-move [counter [syslog]] Syntax
Description
counter
(Optional) Specifies the MAC-move counter feature.
Syslog
(Optional) Specifies the syslogging facility when the MAC-move notification detects the first instance of the MAC move.

Usage Guidelines
MAC-move notification generates a syslog message whenever a MAC address or host moves between different switch ports.
http://www.cisco.com/en/US/docs/ios/lanswitch/command/reference/lsw_m1.html