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.
A and B are correct.
D is also