Which two statements about IS-IS wide metrics are true? (Choose two.)

A.
The wide metric is a 24-bit field.

B.
The maximum link metric is 16777215.

C.
R3 and R4 periodically advertise PNSP messages to synchronize the IS-IS database.

D.
IS-IS devices that are enabled with wide metrics can become neighbors with a device that uses
standard metrics.

E.
The maximum link metric is 4261412864.

F.
The maximum path metric is 16777215.