Which two pieces of information are provided by the show controllers serial 0 command? (Choose two.)

Which two pieces of information are provided by the show controllers serial 0 command? (Choose two.)
A . the type of cable that is connected to the interface.
B . The uptime of the interface
C . the status of the physical layer of the interface
D . the full configuration of the interface
E . the interface’s duplex settings

Answer: A, C

Explanation:

The show controller command provides hardware-related information useful to troubleshoot and diagnose issues with Cisco router interfaces. The Cisco 12000 Series uses a distributed architecture with a central command-line interface (CLI) at the Gigabit Route Processor (GRP) and a local CLI at each line card.