Drag and drop each EIGRP DUAL state on the left to its matching stage on the right.
Drag a concept onto its matching description — or click a concept then click the description.
Route is stable and no queries are pending
Router is querying neighbors for a new route
Router uses a feasible successor without querying
Router queries all neighbors for a new route
Router that first sends a query for a lost route
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Passive: Route is stable and no queries are pending
Passive state indicates a stable route; Active state indicates the router is querying neighbors; Local Computation occurs when a feasible successor exists; Diffusing Computation occurs when no feasible successor exists; Query Origin is the router that starts the query process.
Quick reference
| 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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Variation 1. Drag and drop each EIGRP state on the left to its matching DUAL stage on the right.
mediumWhy P1: Passive is the stable state; Active is when DUAL is actively searching for a new route; Stuck in Active occurs when a query is not answered within the active timer.
Last reviewed: Jun 18, 2026
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