SG0-001 · Question #226
Multimode 50 micron fiber cable can be used for which of the following scenarios? (Select TWO)
The correct answer is D. 4Gbit Fibre Channel connection between switches 50 meters (164 feet) apart E. 2Gbit Fibre Channel connection for Server 300 meters (984 feet) from switch. This question asks to identify the Fibre Channel (FC) scenarios where 50-micron multimode fiber cable is suitable, considering both speed and distance limitations.
Question
Multimode 50 micron fiber cable can be used for which of the following scenarios? (Select TWO)
Options
- A1Gbit Fibre Channel connection for FICON system 1000 meters (3281 feet) from switch
- B10Gbit Fibre Channel connection between directors 500 meters (1640 feet) apart
- C8Gbit Fibre Channel connection for storage 450 meters (1476 feet) from switch
- D4Gbit Fibre Channel connection between switches 50 meters (164 feet) apart
- E2Gbit Fibre Channel connection for Server 300 meters (984 feet) from switch
How the community answered
(35 responses)- A3% (1)
- C6% (2)
- D91% (32)
Why each option
This question asks to identify the Fibre Channel (FC) scenarios where 50-micron multimode fiber cable is suitable, considering both speed and distance limitations.
1Gbit Fibre Channel over 50/125 micron multimode fiber is generally limited to around 500 meters, making a 1000-meter connection too long for this fiber type.
10Gbit Fibre Channel (often 10GBASE-SR) over 50/125 micron OM3 multimode fiber is typically limited to 300 meters, making a 500-meter connection too long.
8Gbit Fibre Channel over 50/125 micron multimode fiber (OM3) is typically limited to 150 meters, making a 450-meter connection too long.
4Gbit Fibre Channel over 50/125 micron multimode fiber typically supports distances up to 150 meters, making a 50-meter connection well within its specified range.
2Gbit Fibre Channel over 50/125 micron multimode fiber can typically support distances up to 300 meters, which perfectly matches the 300-meter requirement.
Concept tested: Multimode fiber distance limitations for Fibre Channel
Source: https://www.cisco.com/c/en/us/products/collateral/storage-networking/mds-9000-series-multilayer-switches/product_data_sheet0900aecd8020a53b.html
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