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300-410 Practice Question: In a VRF-Lite scenario with OSPF, what is the…
In a VRF-Lite scenario with OSPF, what is the default network type on a physical Ethernet interface?
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
✓
Broadcast
By default, OSPF sets the network type to broadcast on Ethernet interfaces, which enables DR/BDR election.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Point-to-point
Why it's wrong here
This is not the default for Ethernet; it must be manually configured.
- ✓
Broadcast
Why this is correct
Ethernet defaults to broadcast network type in OSPF.
- ✗
Non-broadcast
Why it's wrong here
This is the default for Frame Relay and ATM interfaces.
- ✗
Point-to-multipoint
Why it's wrong here
This is not a default network type for any interface.
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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Related to this question
Learn chapter
Introduction to ENARSI Exam and Network Fundamentals
Key term
MPLS Layer 3 VPN
A technology that uses Multiprotocol Label Switching to create secure, scalable virtual private networks that connect multiple sites at the network layer, where the service provider manages routing between customer sites.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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