Drag and drop each EIGRP state on the left to its matching DUAL stage on the right.
Drag a concept onto its matching description — or click a concept then click the description.
Route is stable and no DUAL computation is in progress
DUAL is actively querying neighbors for an alternate path
Query has not been replied to within the active timer
Router sends queries to all neighbors for a lost route
Router has received all replies to its queries
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 DUAL computation is in progress
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.
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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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-401 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 350-401 exam.