SG0-001 · Question #276
Click the Exhibit button. Calculate the fan-in ratio for ZONE_A.
The correct answer is C. 5:1. The fan-in ratio for ZONE_A is 5:1, which represents five host initiators zoned with a single storage target port.
Question
Click the Exhibit button. Calculate the fan-in ratio for ZONE_A.
Exhibit
Options
- A9:1
- B9:2
- C5:1
- D3:1
How the community answered
(39 responses)- A13% (5)
- B8% (3)
- C74% (29)
- D5% (2)
Why each option
The fan-in ratio for ZONE_A is 5:1, which represents five host initiators zoned with a single storage target port.
A 9:1 ratio would imply nine host initiators zoned with one storage target port, which does not align with the provided correct answer for ZONE_A.
A 9:2 ratio would imply nine host initiators zoned with two storage target ports, which does not align with the provided correct answer for ZONE_A.
The fan-in ratio in Fibre Channel SAN zoning is calculated by dividing the number of host initiators by the number of storage target ports within that specific zone. A 5:1 ratio for ZONE_A indicates that five host HBAs are configured to access a single storage target port, consolidating I/O requests.
A 3:1 ratio would imply three host initiators zoned with one storage target port, which does not align with the provided correct answer for ZONE_A.
Concept tested: Fibre Channel SAN zoning, fan-in ratio
Source: https://www.cisco.com/c/en/us/products/collateral/storage-networking/mds-9000-series-multilayer-switches/white_paper_c11-730105.html
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