50、which three statements about the route preference of IS-IS are true? (choose three.)
AN L1PATH IS PREFERRED OVER AN L2 PATH.
AN L2 PATH IS PREFERRED OVER AU L1PATH.
WITHIN EACH LEVEL, A PATH THAT SUPPORTS OPTIONAL METRICS IS PREFERRED OVER A PATH THAT SUPPORTS ONLY THE DEFAULT METRIC.
WITHIN EACH LEVEL OF METRIC SUPPORT, THE PATH WITH THE LOWEST METRIC IS PREFERRED.
THE CISCO IS-IS IMPLEMENTATION USUALLY PERFORMS EQUAL COST PATH LOAD BALANCING ON UP TO EIGHT PATHS.
BOTH LI AND L2 ROUTES WILL BE INSTALLED IN THE ROUTING TABLE AT THE SAME TIME.
