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SG0-001 · Question #381

At 1Gb/s, multimode fiber cables are capable of carrying Fibre Channel data a MAXIMUM distance of which of the following?

The correct answer is B. 500 meters (1640 feet). This question asks about the maximum transmission distance for Fibre Channel data over multimode fiber at a speed of 1Gb/s.

Storage Connectivity

Question

At 1Gb/s, multimode fiber cables are capable of carrying Fibre Channel data a MAXIMUM distance of which of the following?

Options

  • A200 meters (656 feet)
  • B500 meters (1640 feet)
  • C1000 meters (3281 feet)
  • D10 kilometers (6 miles)

How the community answered

(34 responses)
  • A
    3% (1)
  • B
    94% (32)
  • D
    3% (1)

Why each option

This question asks about the maximum transmission distance for Fibre Channel data over multimode fiber at a speed of 1Gb/s.

A200 meters (656 feet)

200 meters is a shorter distance than what 1Gb/s MMF is capable of for Fibre Channel.

B500 meters (1640 feet)Correct

Multimode fiber (MMF) can reliably transmit 1Gb/s Fibre Channel data up to 500 meters (1640 feet). This distance limitation is due to modal dispersion inherent in multimode fiber optic technology.

C1000 meters (3281 feet)

1000 meters is generally beyond the specified reliable distance for 1Gb/s Fibre Channel over multimode fiber due to signal degradation.

D10 kilometers (6 miles)

10 kilometers is typically a distance supported by single-mode fiber (SMF) for 1Gb/s or higher, not multimode fiber.

Concept tested: Fibre Channel multimode fiber distance limitations

Source: https://www.cisco.com/c/en/us/products/collateral/storage-networking/mds-9100-series-multilayer-fabric-switches/prod_qas0900aecd804ba592.html

Topics

#multimode fiber#Fibre Channel#cable distance

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