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350-401 Practice Question: Drag and drop each OSPF packet type on the left…

Drag and drop each OSPF packet type on the left to its matching function on the right.

Drag a concept onto its matching description — or click a concept then click the description.

Concepts
Matches

Discovers neighbors and maintains adjacency state

Contains a list of LSA headers for database synchronization

Requests specific LSAs from a neighbor

Sends one or more complete LSAs to a neighbor

Confirms receipt of LSU packets

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

Hello: Discovers neighbors and maintains adjacency state

Hello packets discover and maintain neighbor relationships; DBD packets contain a summary of the LSDB; LSR packets request specific LSAs; LSU packets send full LSAs in response to LSRs; LSAck packets acknowledge receipt of LSUs.

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 350-401 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 350-401 exam.