CCNP Route FAQ: OSPF Topology, Routes, and Convergence Q1. A network design shows area 1 with three internal routers, area 0 with four internal routers, and area 2 with five internal routers. Additionally, one ABR (ABR1) connects areas 0 and 1, plus a different ABR (ABR2) connects areas 0 and 2. How many Type 1 LSAs would be listed in ABR2’s LSDB? a. 6 b. 7 c. 15 d. 12 e. … [Read more...]