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350-401 Practice Question: Which three statements about EIGRP stub routing…
Which three statements about EIGRP stub routing are true? (Choose three.)
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
A stub router does not send Query packets to its neighbors.
EIGRP stub routing is used to limit the query scope and improve convergence. A stub router is typically a spoke in a hub-and-spoke topology. It advertises its directly connected and summary routes to the hub, but does not query its neighbors. The hub router does not send queries to the stub router. The stub router can be configured with different options: connected, static, summary, receive-only, or redistributed. The 'eigrp stub' command enables this feature.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
A stub router does not send Query packets to its neighbors.
Why this is correct
Correct because stub routers are not allowed to originate queries; they rely on the hub for routing information.
- ✗
A hub router will send queries to a stub router when a route is lost.
Why it's wrong here
Incorrect because the hub router does not send queries to a stub router, as the stub is not expected to have alternative paths.
- ✓
The 'eigrp stub' command can be configured with the 'connected' keyword to advertise only connected routes.
Why this is correct
Correct because the 'connected' keyword limits the stub to advertising only directly connected networks.
- ✗
Stub routing is used to reduce the size of the routing table on the hub router.
Why it's wrong here
Incorrect because stub routing primarily reduces query propagation and convergence time, not the routing table size on the hub.
- ✓
A stub router can be configured as 'receive-only' to not advertise any routes.
Why this is correct
Correct because the 'receive-only' keyword prevents the stub from advertising any routes; it only receives routes from the hub.
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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JA
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.