A network technician has detected a personal computer that has been physically connected to the corporate
network. Which of the following commands would the network technician use to locate this unauthorized
computer and determine the interface it is connected to?

A.
nbtstat –a

B.
show mac address-table

C.
show interface status

D.
show ip access-list

E.
nslookup hostname

Explanation:
The show mac address-table command is used to view the ageing timer, and also the unicast and multicast
MAC addresses stored in the MAC address table by the switch. Furthermore, you can view all of the addresses
in the table or only the addresses learned or specified on a particular port or VLAN.