On the OSPFv3 network shown in the figure, area 1 is a common area. Which of the following statements are true?
The LSDBs of R1, R2, and R3 are the same.
If R5 imports an external route, R4 does not need to rely on the Inter-Area-Router-LSA to calculate the external route.
R1, R2, and R3 generate Inter-Area-Prefix-LSAs.
The LSDBs of R4 and R5 are the same.
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