What caused the following error message to appear?01:11:12: %PM-4-ERR_DISABLE: psecure-violation error detected on Fa0/8, putting Fa0/8 in err-disable state 01:11:12: %PORT_SECURITY-2-PSECURE_VIOLATION: Security violation occurred, caused by MAC address 0011.a0d4.12a0 on port FastEthernet0/8.01:11:13: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/8, changed state to down 01:11:14: %LINK-3-UPDOWN: Interface FastEthernet0/8, changed state to down
A. Another switch was connected to this switch port with the wrong cable. B. An unauthorized user tried to telnet to the switch through switch port Fa0/8. C. NAT was enabled on a router, and a private IP address arrived on switch port Fa0/8. D. A host with an invalid IP address was connected to a switch port that was previously unused. E. Port security was enabled on the switch port, and an unauthorized connection was made on switch port Fa0/8.