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300-410 Practice Question: Consider the following partial configuration on a…
Consider the following partial configuration on a Cisco IOS-XE router: ```
router eigrp 100 network 10.0.0.0
distance eigrp 90 170 ``` What is the effect of the `distance eigrp 90 170` command?
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
✓
It sets the administrative distance for EIGRP internal routes to 90 and external routes to 170.
This command sets the administrative distance for EIGRP internal routes to 90 and external routes to 170.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
It sets the administrative distance for all EIGRP routes to 90.
Why it's wrong here
The command has two parameters: internal and external distances.
- ✓
It sets the administrative distance for EIGRP internal routes to 90 and external routes to 170.
Why this is correct
The syntax is `distance eigrp <internal-distance> <external-distance>`.
- ✗
It sets the administrative distance for EIGRP routes to 170 for all routes learned from neighbors with an AS of 100.
Why it's wrong here
This command does not filter by neighbor AS.
- ✗
It sets the metric weights for EIGRP to 90 and 170.
Why it's wrong here
The `distance eigrp` command does not affect metric weights.
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.