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SG0-001 · Question #437

An administrator is installing a new cable plant in a datacenter. The administrator plans on using 50 micron multi-mode cabling that is in stock. Which of the following needs to be considered when usi

The correct answer is D. Distance. When deploying 50 micron multi-mode cabling, it is crucial to consider the maximum supported distance as multi-mode fiber has inherent distance limitations that vary by speed and fiber type.

Storage Connectivity

Question

An administrator is installing a new cable plant in a datacenter. The administrator plans on using 50 micron multi-mode cabling that is in stock. Which of the following needs to be considered when using this cable?

Options

  • ACable color
  • BConnectors are MIC
  • CConnectors must be LC
  • DDistance

How the community answered

(33 responses)
  • A
    3% (1)
  • B
    3% (1)
  • C
    6% (2)
  • D
    88% (29)

Why each option

When deploying 50 micron multi-mode cabling, it is crucial to consider the maximum supported distance as multi-mode fiber has inherent distance limitations that vary by speed and fiber type.

ACable color

While cable color can indicate the fiber type (e.g., aqua for OM3/OM4), it is a standardization for identification rather than a technical consideration for the cable's operational usage or limitations.

BConnectors are MIC
CConnectors must be LC
DDistanceCorrect

Multi-mode fiber, including 50 micron varieties (OM3, OM4, OM5), has specific distance limitations for different data rates (e.g., 10Gbps, 40Gbps, 100Gbps), which must be considered during cable plant design to ensure reliable network operation and avoid signal degradation. Exceeding these limits can lead to signal loss and unreliable connectivity.

Concept tested: Multi-mode fiber distance limitations

Source: https://www.cisco.com/c/en/us/products/collateral/interfaces-modules/transceiver-modules/data_sheet_c78-455693.html

Topics

#multi-mode fiber#fiber optic cabling#datacenter cabling#distance limitations

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