Exam 400-007 Topic 3 Question 435 Discussion

Actual exam question for Cisco's 400-007 exam
Question #: 435
Topic #: 3
Company XYZ plans to run OSPF on a DMVPN network. They want to use spoke-to-spoke tunnels in the design. What is a drawback or concern in this type of design?

Suggested Answer: D Vote an answer

Split Horizon is EIGRP's loop prevention mechanism. Distance Vector protocols also use Split Horizon for loop prevention.
If you're going to use OSPF, make sure that your hubs are the DR and BDR. If you only have one hub, make it the DR, and don't configure a BDR.The key point here is that the spokes should never be elected as DR or BDR. You can enforce this with ip ospf priority 0.

by Susanna at Oct 13, 2026, 09:06 PM

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