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 discovered that users connected to routers R1 and R2 have been making 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.








 

Suggested Answer: D



This question is in 300-510 Implementing Cisco Service Provider Advanced Routing Solutions (SPR) Exam
For getting Cisco Certified Network Professional Service Provider (CCNP Service Provider) Certificate



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