H12-821_V1.0 Question #1188: Real Exam Question with Answer & Explanation

In OSPF, Type-3 Summary LSAs are generated by Area Border Routers (ABRs) to advertise summary routes between different OSPF areas. According to the provided diagram: R2 connects Area 0 and Area 1, thus R2 is an ABR. R3 connects Area 1 and Area 2, thus R3 is an ABR. Therefore, R2

Question

R1, R2, R3, and R4 run OSPF, and the area ID is as shown in the figure, then () will generate Type-3 LSA.
R1
Area 0
R2
Area 1
R3
Area 1
R4
Area 2
OSPF

Explanation

In OSPF, Type-3 Summary LSAs are generated by Area Border Routers (ABRs) to advertise summary routes between different OSPF areas. According to the provided diagram:

R2 connects Area 0 and Area 1, thus R2 is an ABR.
R3 connects Area 1 and Area 2, thus R3 is an ABR. Therefore, R2 and R3 will generate Type-3 LSAs.

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