Refer to the exhibit. A network operator must inject a Level 1 route from XR2 (10.16.16.0/24) into the ISIS topology. Which configuration allows the injection in a way that XR3 and XR1 have a valid and working route for 10.16.16.0/24?
A.
B.
C.
D.
I would say it should D. The level-1 route from XR2 is by default advertised to XR3 is an L2 route. With propagate level 2 into level 1 this prefixe is advertised to XR1 is an (ia) route. With C the route is not received by XR1