Posted by: Pdfprep
Post Date: November 16, 2020
Which three statements are true regarding the IS-IS link-state database (LSDB)? (Choose three.)
A . An L1 router has a single database reflecting the connectivity of its area.
B . An L1 router often relies on a default route generated by attached routers to reach interarea destinations.
C . The Level 2 database contains only backbone area routes unless route leaking is configured.
D . Route leaking can be used to optimize Level 2 to Level 1 routing.
E . An attached router has at least two LSDBs: one for each Level 1 area and a single LSDB for the Level 2 backbone.
Answer: A,B,E
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