Which two statements about IS-IS are true? (Choose two.)
A.
The default hello interval is 10 seconds and the default hold timer is 30 seconds.
B.
The hello interval can be changed on a per-interface basis with the command isis hello-multiplier.
C.
Both routers need to have the same hello intervals and hold timers in order to form IS-IS
neighbors.
D.
Both IS-IS routers need to have the same capabilities in the hello packet in order to form
neighbors.