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350-401 Practice Question: Drag and drop the steps of OSPF virtual link…
Drag and drop the steps of OSPF virtual link configuration into the correct order, from first to last.
Answer choices
Why each option matters
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Correct answer & explanation
Identify the ABR in the transit area
A virtual link connects a non-backbone area to Area 0 through a transit area. First, identify the ABR with the transit area, then configure the virtual link on both ABRs using the router ID of the neighbor, ensure the transit area has full OSPF adjacency, and finally verify the virtual link is operational.
Visual reference
Quick reference
Routing Protocol Comparison
| Protocol | Metric | Max Hops | Algorithm | Type |
|---|---|---|---|---|
| RIP v2 | Hop count | 15 | Bellman-Ford | Distance vector |
| OSPF | Cost (bandwidth) | Unlimited | Dijkstra (SPF) | Link state |
| EIGRP | Composite metric | Unlimited | DUAL | Hybrid |
| IS-IS | Cost | Unlimited | Dijkstra | Link state |
| BGP | Policy / attributes | Unlimited | Path vector | Path vector |
RIP's 15-hop limit makes it unsuitable for large networks. OSPF and EIGRP dominate modern enterprise deployments.
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Last reviewed: Jun 18, 2026
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