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300-410 Practice Question: The default administrative distance for OSPF…

What is the default administrative distance for OSPF routes in a VRF-Lite environment on Cisco IOS-XE?

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

110

OSPF has a default administrative distance of 110 for all routes (intra-area, inter-area, and external).

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • 90

    Why it's wrong here

    This is the default administrative distance for EIGRP internal routes.

  • 110

    Why this is correct

    OSPF uses a default administrative distance of 110.

  • 120

    Why it's wrong here

    This is the default administrative distance for RIP.

  • 170

    Why it's wrong here

    This is the default administrative distance for EIGRP external routes.

Visual reference

R1 R2 R3 R4 10 100 10 100 OSPF picks R1→R2→R4 (cost 20) over R1→R3→R4 (cost 200)

Quick reference

Routing Protocol Comparison

ProtocolMetricMax HopsAlgorithmType
RIP v2Hop count15Bellman-FordDistance vector
OSPFCost (bandwidth)UnlimitedDijkstra (SPF)Link state
EIGRPComposite metricUnlimitedDUALHybrid
IS-ISCostUnlimitedDijkstraLink state
BGPPolicy / attributesUnlimitedPath vectorPath vector

RIP's 15-hop limit makes it unsuitable for large networks. OSPF and EIGRP dominate modern enterprise deployments.

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JA

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.