mediumMultiple ChoiceObjective-mapped
300-410 Practice Question: Runs the following command on Router R1: R1# show…
A network engineer runs the following command on Router R1:
R1# show ip eigrp interfaces detail GigabitEthernet0/1
IP-EIGRP interfaces for process 100
Xmit Queue Mean Pacing Time Multicast Pending
Interface Peers Un/Reliable SRTT Un/Reliable Flow Timer Routes
Gi0/1 1 0/0 10 0/10 50 0 Hello interval is 5 sec Next xmit serial <none> Un/reliable mcasts: 0/0 Un/reliable ucasts: 0/0 Mcast exceptions: 0 CR packets: 0 ACKs suppressed: 0 Retransmissions: 0 Out of sequence: 0 Authentication mode: none Redistribution: redistributed
Based on this output, what is the problem?
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
✓
The 'redistributed' flag indicates that routes are being redistributed into EIGRP on this interface, which is not a standard EIGRP feature.
The output shows 'Redistribution: redistributed' under the interface details, indicating that redistribution is enabled on this interface. However, this is not a standard field in 'show ip eigrp interfaces detail' output; it is likely a custom or misinterpreted output. The problem is that redistribution is applied per interface, but EIGRP redistribution is a global process, not interface-specific. This could cause confusion or misconfiguration.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The interface is configured for redistribution, which is correct for EIGRP.
Why it's wrong here
EIGRP redistribution is configured globally under the EIGRP process, not per interface.
- ✓
The 'redistributed' flag indicates that routes are being redistributed into EIGRP on this interface, which is not a standard EIGRP feature.
Why this is correct
EIGRP does not have per-interface redistribution; this output is likely from a different context or a misinterpretation.
- ✗
The interface has one EIGRP neighbor, and redistribution is working correctly.
Why it's wrong here
The neighbor count is normal, but redistribution is not an interface-level feature.
- ✗
The output shows that redistribution is enabled, but the interface is not sending hellos.
Why it's wrong here
The hello interval is shown, so hellos are being sent.
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
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