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300-410 Practice Question: Which TWO commands would a network engineer use…
Which TWO commands would a network engineer use to verify that EIGRP is correctly forming neighbor adjacencies and exchanging routes on an interface? (Choose TWO.)
⚠ Common exam trap
Cisco often tests the distinction between commands that verify the adjacency formation process (neighbor table and interface status) versus commands that show the result of that process (routing table), leading candidates to incorrectly choose 'show ip route eigrp'.
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
✓
show ip eigrp neighbors
The 'show ip eigrp neighbors' command displays the EIGRP neighbor table, which confirms that neighbor adjacencies have been successfully formed. The 'show ip eigrp interfaces' command shows which interfaces are enabled for EIGRP, including the number of peers (neighbors) on each interface, which verifies that the interface is actively participating in EIGRP and exchanging routes.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
show ip eigrp neighbors
Why this is correct
This command directly lists all EIGRP neighbors, their interfaces, and hold time, confirming adjacency.
- ✓
show ip eigrp interfaces
Why this is correct
This command shows interfaces with EIGRP enabled and the number of neighbors on each, verifying EIGRP activity.
- ✗
show ip route eigrp
Why it's wrong here
This displays only the EIGRP-learned routes in the routing table, not neighbor adjacency status.
- ✗
show ip protocols
Why it's wrong here
This shows EIGRP process configuration and summary, but does not confirm per-interface neighbor formation.
- ✗
show ip ospf neighbor
Why it's wrong here
This is an OSPF command, not applicable to EIGRP troubleshooting.
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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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 300-410 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 300-410 exam.