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SG0-001 · Question #525

While reviewing a new installation the storage administrator notices that a number of FC cables have excess length that is tightly looped. Of which of the following would this be an example? (Select T

The correct answer is C. Poor cabling installation practices E. Exceeding recommended bend radius. Tightly looping excess Fibre Channel cable length indicates poor installation practices and leads to exceeding the cable's recommended bend radius.

Storage Implementation

Question

While reviewing a new installation the storage administrator notices that a number of FC cables have excess length that is tightly looped. Of which of the following would this be an example? (Select TWO).

Options

  • AStandard installation practices
  • BCabling per vendor recommendations
  • CPoor cabling installation practices
  • DIncreasing performance by reducing distance
  • EExceeding recommended bend radius

How the community answered

(54 responses)
  • A
    4% (2)
  • B
    2% (1)
  • C
    89% (48)
  • D
    6% (3)

Why each option

Tightly looping excess Fibre Channel cable length indicates poor installation practices and leads to exceeding the cable's recommended bend radius.

AStandard installation practices

Tightly looping cables goes against standard installation practices which emphasize proper cable management and avoiding stress on cables.

BCabling per vendor recommendations

Vendor recommendations typically include guidelines for proper bend radius and cable management to ensure optimal performance and longevity, which tight loops violate.

CPoor cabling installation practicesCorrect

Tightly looping excess cable length is not a recommended practice in any professional cabling installation, as it introduces potential issues and indicates a lack of proper cable management.

DIncreasing performance by reducing distance

Tightly looping cables does not increase performance or reduce distance in any meaningful or beneficial way; it can actually degrade performance by causing signal attenuation.

EExceeding recommended bend radiusCorrect

Optical fiber cables, including Fibre Channel cables, have a minimum bend radius that must be adhered to; tight loops can cause macrobends, leading to signal loss or even permanent damage to the fiber.

Concept tested: Fibre Channel cabling best practices and bend radius

Source: https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/installation/513_n1_1/n5k_install_guide/n5k_install_cabling.html

Topics

#Fibre Channel cabling#Cable management#Bend radius#Installation best practices

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