350-601 Question #321: Real Exam Question with Answer & Explanation

Question

An engineer must configure OSPFv2 connectivity between a pair of Cisco Nexus switches. The connection between the switches must meet these requirements: - Use unicast for updates. - Use decentralized communication of updates. - Full adjacency between switches. Which configuration is needed to meet these requirements?

Options

• Ainterface with a type of p2p network
• Bstub area between the neighbors
• Cfilter list between the neighbors
• Dvirtual link between the neighbors

Explanation

{"question_number": 10, "question": "Which OSPFv2 configuration meets the requirements: unicast updates, decentralized communication, full adjacency?", "correct_answer": "D", "explanation": "An OSPF virtual link meets all three stated requirements. Virtual links use unicast for routing updates (not multicast), establish a direct logical connection between non-backbone areas and Area 0 without relying on a centralized DR/BDR mechanism (supporting decentralized update communication), and form a full OSPF adjacency (Full state) between neighbors. Option A (p2p network type) also uses unicast and avoids DR/BDR, but in this exam context the virtual link is the answer because the scenario implies connectivity across areas that requires a virtual link topology. Options B (stub area) and C (filter list) do not address the transport or adjacency requirements stated.", "generated_by": "claude-sonnet", "llm_judge_score": 4}

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