Which Cisco IOS command can be used to display the current administrative and operational state of an interface?

A) show interfaces
B) show interfaces interface switchport
C) show switchport interface
D) show switchport detail

B
Explanation: B) The show interfaces interface switchport command is used to display a number of useful details about the specified interface, including the administrative and operational modes, the data and voice VLANs, the status of DTP, and the trunking encapsulation.