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Difficulty: MediumDocumentation and Diagrams

A network engineer is auditing documentation prior to integrating a hybrid cloud extension into an existing enterprise environment. Which of the following components should be documented specifically within a logical network topology diagram rather than a physical network topology diagram? (Select TWO).

  1. IP subnet allocations and network prefix boundariesAnswer
  2. VLAN IDs and assigned layer 3 gateway interfacesAnswer
  3. C
    Physical server rack unit positions and shelf spacing
  4. D
    Structured cable types, media categories, and patch panel pinouts
  5. E
    Hardware MAC addresses hardcoded into physical switch port interfaces

Answer

IP subnet allocations with network prefix boundaries and VLAN IDs with assigned layer 3 gateway interfaces should be documented within a logical network topology diagram.
Logical network topology diagrams illustrate data path relationships, network layer addressing, and logical broadcast domains regardless of physical physical equipment placement. Therefore, IP subnet allocations with CIDR notation and VLAN designations with their corresponding Layer 3 gateways are core logical diagram elements.

Step-by-Step Solution

1
Differentiate between logical and physical topology documentation requirements.
Logical topology diagrams depict how data flows through a network, focusing on IP addressing, VLANs, subnets, and routing protocols, independent of physical location.
Understanding the separation of logical and physical documentation ensures accurate network auditing and troubleshooting.
2
Evaluate each candidate item against the logical topology definition.
IP subnets and VLAN IDs represent logical constructs. Rack unit locations, cable media categories, and physical MAC addresses represent physical hardware and cabling specifications.
Items bound to physical hardware layout belong in physical diagrams or rack elevation schematics.

Key Concept

Logical vs. Physical Network Topology Documentation
Estimated Time:1m 30s
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Topics

Documentation and Diagrams

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