During a network upgrade, a network administrator needs to verify that all interfaces on a switch are operational and that no interfaces have been inadvertently shut down or disabled. The administrator also wants to ensure that there are no speed or duplex mismatches that could affect network performance.

Which command should the administrator use to efficiently review the operational status, speed, and duplex settings of all interfaces on the switch?

answer

show interfaces

show interfaces status

show ip interface brief

show running$-$config