350-501 Question #32: Real Exam Question with Answer & Explanation

Question

Refer to the exhibit. R1 and R2 are directly connected with Fast Ethernet interfaces and have the above configuration applied OSPF adjacency is not formed. When the debug ip ospf hello command is issued on R1, these log messages are seen. Which command can be configured on routers R1 and R2 on f0/0 interfaces to form OSPF adjacency?

Options

• Aip ospf network non-broadcast
• Bip ospf network point-to- multipoint non-broadcast
• Cip ospf network point-to-point
• Dip ospf network broadcast

Explanation

{"question_number": 2, "correct_answer": "C", "explanation": "When OSPF adjacency fails between directly connected routers, the debug output commonly reveals a network type mismatch. Fast Ethernet interfaces default to OSPF 'broadcast' network type, which triggers DR/BDR election. If one side expects a different network type, hellos are ignored. Configuring 'ip ospf network point-to-point' on both F0/0 interfaces eliminates the need for DR/BDR election and allows adjacency to form directly. This is the simplest fix for a point-to-point physical link. Non-broadcast and point-to-multipoint options are for Frame Relay or hub-and-spoke scenarios and would require additional configuration.", "generated_by": "claude-sonnet", "llm_judge_score": 4}

No community discussion yet for this question.