As shown, all routers are at 0SPThe loopback interface address is declared in F, among which the R2 loopback interface address is 10.0.2.2/32, which is declared in Area 0.The address of the R3 loopback interface is 10.0.3.3/32. The external route is 100.1.1.0/24. To reduce the burden on the R1 router, the configuration command is as follows: (multiple choice)
[R1]ip ip-prefix 1 permit 100.1.1.0 24
[R1]ospf 1

[R1-ospf-1]filter-policy ip-prefix 1 import Is the following description correct?
Select all that apply, then click Submit answer.
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routerThere is no external route to 100.1.1.0/24 in R1's IP routing table
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routerIn R1's IP routing table, there is an external route to 100.1.1.0/24
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routerIn the IP routing table of R1, there is no loopback route to R2
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routerIn the IP routing table of R1, there is no loopback route to R3