Cisco
400-007 · Question #335
400-007 Question #335: Real Exam Question with Answer & Explanation
The correct answer is C: Establish control plane peering between edge routers.. See the full explanation below for the reasoning.
Question
Refer to the exhibit. Two data center sites, X and Y, are connected with a direct backdoor link under these conditions: - Site-specific firewalls are deployed behind the Internet edge routers R1 and R2. - Both sites are advertising the address pool 100.75.10.0/23 toward the Internet. Site-X finds that Internet traffic returning from user PCs comes back on the Site-Y link. Which design resolves the issue?
Exhibit
Options
- AAdd a static route toward the Internet on Site-X.
- BChange the Site-Y firewall configuration to replicate the Site-X configuration.
- CEstablish control plane peering between edge routers.
- DUse BGP MED to influence Site-X return traffic.
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