When using wide metrics, which two statements about route advertisement between IS-IS levels are correct? (Choose two.)
Level 1 and Level 2 routers do not advertise Level 2 routes into the Level 1 area by default.
Level 1 routes are advertised to Level 2 routers by default.
If wide-metrics-only is configured, Level 1 routes are not advertised to Level 2 routers by default.
Level 1 routes advertised as external routes into Level 1 are not advertised to any Level 2 routers by default.
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