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Difficulty: MediumDocumentation and Diagrams

A network engineer is preparing to integrate a new remote site into the corporateWAN over an IPsec VPN tunnel. Before configuring the routing policies and IPsec endpoints, the engineer needs to review a document that details subnets, IP address assignments, VLAN boundaries, and virtual interface routing paths, independent of physical device locations and rack space. Which documentation artifact should the engineer consult to verify these logical data paths and IP network boundaries?

  1. Logical network diagramAnswer
  2. B
    Physical network diagram
  3. C
    Rack elevation diagram
  4. D
    Wiring schematic

Answer

The logical network diagram is the correct artifact to consult because it depicts IP addressing, subnetting, VLANs, and routing paths independent of physical hardware locations.
The option selecting the logical network diagram is correct because logical diagrams depict network structures from a functional perspective, including IP address ranges, subnets, VLAN IDs, routers, and routing relationships, regardless of physical cable paths or rack positions.

Step-by-Step Solution

1
Identify the information required by the network engineer in the scenario.
The engineer needs subnets, IP address allocations, VLAN boundaries, and virtual interface routing paths.
VPN configuration and WAN routing require Layer 2 and Layer 3 logical information.
2
Evaluate documentation types against physical versus logical representation.
Physical network diagrams, rack elevations, and wiring schematics represent physical cabling, physical port layouts, and rack space allocation.
Physical diagrams do not show IP address boundaries or virtual routing relationships.
3
Select the diagram type designed specifically for IP addressing and logical data flows.
Logical network diagram.
Logical network diagrams map software-defined boundaries, subnets, protocol interactions, and IP addressing across network segments.

Key Concept

Logical Network Diagram vs Physical Network Documentation
Estimated Time:1m 15s
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Topics

Documentation and Diagrams

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