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Difficulty: HardDocumentation and Diagrams

A network administrator is conducting a final verification audit of a newly constructed Intermediate Distribution Frame (IDF) closet prior to production handoff. To maintain standard documentation practices, physical deployment attributes must be clearly separated from logical network models. Which of the following elements should be documented exclusively on physical topology diagrams or rack elevation schematics rather than logical network diagrams? (Select TWO.)

  1. Exact rack unit (U) position and physical equipment mounting locationsAnswer
  2. Patch panel port terminations and cable tray pathway designationsAnswer
  3. C
    802.1Q VLAN IDs assigned to switch access ports and trunk sub-interfaces
  4. D
    OSPF area boundaries and dynamic routing neighbor relationships
  5. E
    First Hop Redundancy Protocol (FHRP) shared Virtual IP (VIP) addresses

Answer

The correct answers are the option specifying exact rack unit (U) positions and physical equipment mounting locations, as well as the option specifying patch panel port terminations and cable tray pathway designations.
Physical network diagrams and rack elevation drawings depict physical assets and cabling infrastructure, including rack unit (U) height allocations, chassis dimensions, patch panel port layouts, power distribution unit (PDU) connections, and physical cable tray pathways. In contrast, logical topology diagrams document how data flows across the network using layer 2 and layer 3 abstractions.

Step-by-Step Solution

1
Analyze the core distinction between physical and logical network documentation.
Physical documentation maps tangible hardware, physical spatial locations, cabling routes, and rack space allocation. Logical documentation maps protocol flow, IP addressing schemes, subnetting, VLAN boundaries, and routing domains.
Clear segregation of documentation types prevents operational confusion during hardware maintenance versus traffic troubleshooting.
2
Evaluate options representing physical hardware attributes.
Rack unit (U) positions in equipment enclosures and patch panel port terminations with physical cable routing describe hardware layout and cabling pathways.
These physical specifications are required for site visits, rack installations, and cable tracing in physical closets.
3
Evaluate options representing logical network abstractions.
VLAN IDs, OSPF routing areas, and FHRP Virtual IP addresses represent software and protocol configurations.
These parameters govern how data packets flow logically through the network regardless of physical rack placement.

Key Concept

Physical vs. Logical Network Diagrams
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Topics

Documentation and Diagrams

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