A network administrator wants to join a switch to an Intelligent Resilient Framework (IRF) virtual device. The
administrator changes the switch member ID from 1 to 2. What must the administrator do before configuring
the IRF port on this switch?

A.
Physically connect the switch to the IRF master device.

B.
Reboot the switch.

C.
Disable IP routing.

D.
Enable the physical interfaces that will be assigned to the IRF port.