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Question

Difficulty: MediumDocumentation and Diagrams

During a campus network audit, a network engineer needs to verify virtual interface IP addresses, VLAN segmentation IDs, dynamic routing protocol relationships, and subnet boundaries across multiple core and distribution switches. Which of the following documentation artifacts provides this information without detailing physical rack unit positions or patch panel cable routing?

  1. Logical network diagramAnswer
  2. B
    Wiring schematic
  3. C
    Physical rack elevation diagram
  4. D
    Cable run schedule

Answer

A logical network diagram is the appropriate artifact because it illustrates logical network abstraction elements such as VLAN IDs, IP subnet boundaries, and routing protocols.
Logical network diagrams document the flow of data across an enterprise infrastructure. They explicitly define logical boundaries including VLAN numbers, IP addresses, network subnets, virtual interfaces, and routing protocol domains without detailing physical spatial positioning.

Step-by-Step Solution

1
Analyze the requirements from the troubleshooting/auditing scenario.
The engineer requires documentation showing VLAN IDs, IP subnets, virtual interfaces, and dynamic routing relationships.
Identifying the target data types separates logical network attributes from physical infrastructure details.
2
Differentiate between logical and physical documentation artifacts.
Logical diagrams represent Layer 2 and Layer 3 data flows and addressing structures, whereas rack elevations, wiring schematics, and cable schedules represent Layer 1 layout and physical hardware locations.
Logical diagrams specifically focus on addressing and protocol boundaries.
3
Select the documentation type that fulfills the criteria.
The logical network diagram accurately provides IP addresses, VLANs, and routing protocol information without requiring physical location details.
Logical diagrams capture system relationships rather than spatial orientation.

Key Concept

Logical Network Diagrams
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Topics

Documentation and Diagrams

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