mediumMultiple ChoiceObjective-mapped
300-410 Practice Question: Consider this EIGRP configuration on router R5:…
Consider this EIGRP configuration on router R5:
interface GigabitEthernet0/0 ip summary-address eigrp 100 10.10.0.0 255.255.0.0 5 router eigrp 100 network 10.0.0.0
What is the effect of the 'ip summary-address eigrp' command on interface GigabitEthernet0/0?
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 creates a summary route 10.10.0.0/16 with administrative distance 5, advertised only out GigabitEthernet0/0.
The interface-level 'ip summary-address eigrp' command creates a summary route that is advertised out that specific interface. The optional administrative distance (5) sets the distance for the summary route.
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 creates a summary route 10.10.0.0/16 with administrative distance 5, advertised only out GigabitEthernet0/0.
Why this is correct
Correct. The command is interface-specific and the distance value is optional.
- ✗
It creates a summary route 10.10.0.0/16 with metric 5, advertised out all interfaces.
Why it's wrong here
Incorrect. The value is administrative distance, not metric, and the command is interface-specific.
- ✗
It creates a summary route 10.10.0.0/16 and suppresses all more specific routes globally.
Why it's wrong here
Incorrect. Suppression is only on that interface.
- ✗
It creates a summary route 10.10.0.0/16 and redistributes it into other routing protocols.
Why it's wrong here
Incorrect. The command only affects EIGRP advertisements.
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.