hardMultiple ChoiceObjective-mapped
300-410 Practice Question: When redistributing OSPF into EIGRP, which EIGRP…
When redistributing OSPF into EIGRP, which EIGRP metric components are used to calculate the default metric?
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
✓
No default metric is assigned; redistribution fails unless a metric is configured.
EIGRP requires all five K-values (bandwidth, delay, reliability, load, MTU) for metric calculation, but by default, only bandwidth and delay are used; the default metric for redistribution is not automatically derived and must be explicitly set.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Bandwidth and delay only
Why it's wrong here
While EIGRP uses bandwidth and delay by default, the redistribution process does not automatically compute these from OSPF; a default metric must be manually configured.
- ✗
Bandwidth, delay, reliability, load, and MTU
Why it's wrong here
All five components are part of the EIGRP metric formula, but they are not automatically derived; redistribution requires explicit metric specification.
- ✓
No default metric is assigned; redistribution fails unless a metric is configured.
Why this is correct
EIGRP does not assign a default metric for redistributed routes; if no metric is specified, the route is not redistributed.
- ✗
The OSPF cost is converted to an EIGRP metric using a default formula.
Why it's wrong here
Cisco IOS does not automatically convert OSPF cost to EIGRP metric; manual configuration is required.
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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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.