QuestionQ38
Routing Policy and Manipulation
Refer to the exhibit. Networks 172.16.31.0/24 and 172.16.30.0/24 are advertised in area 34, and network 172.22.10.0/24 is advertised in area 0. A recent security review found that users connected to routers R1 and R2 have made unauthorized access to an application running on network 172.16.31.0/24. An engineer determined that routers R1 and R2 are receiving updates for network 17.16.31.0/24. Which action resolves the issue?
- A Apply route filtering on routers R3 and R4.
- B Apply route filtering on routers R1 and R2.
- C Apply route filtering on router R3 only.
- D Apply route filtering on router R4 only.
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