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350-401 Practice Question: Runs the following command on Router R7: R7# show…
A network engineer runs the following command on Router R7:
R7# show ip ospf neighbor vrf CUSTOMER-E Neighbor ID Pri State Dead Time Address Interface 10.0.0.8 1 FULL/DR 00:00:35 10.0.1.2 GigabitEthernet0/0.500 10.0.0.9 1 FULL/BDR 00:00:31 10.0.2.2 GigabitEthernet0/0.600
Based on this output, what can be concluded?
⚠ Common exam trap
Cisco often tests the misconception that the DR is always the neighbor with the highest IP address or the first listed, but the DR is explicitly indicated by the state field (FULL/DR), not by the Neighbor ID or IP address.
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
✓
OSPF is operating within VRF CUSTOMER-E with two neighbors
The command `show ip ospf neighbor vrf CUSTOMER-E` explicitly queries OSPF neighbors within the VRF named CUSTOMER-E. The output shows two neighbors (10.0.0.8 and 10.0.0.9) with states FULL/DR and FULL/BDR, confirming that OSPF is actively operating inside that VRF. Therefore, option C is correct because it accurately states that OSPF is operating within VRF CUSTOMER-E with two neighbors.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
OSPF is not configured for VRF CUSTOMER-E
Why it's wrong here
Neighbors are shown, so OSPF is configured.
- ✗
There is only one OSPF neighbor in VRF CUSTOMER-E
Why it's wrong here
Two neighbors are listed.
- ✓
OSPF is operating within VRF CUSTOMER-E with two neighbors
Why this is correct
Two neighbors are in FULL state, indicating OSPF adjacency.
- ✗
The DR is 10.0.0.9
Why it's wrong here
The DR is 10.0.0.8 (state FULL/DR).
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 24, 2026
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.
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