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SG0-001 · Question #464

Which of the following is responsible for enforcing soft zoning within a fabric?

The correct answer is B. Name server. In a Fibre Channel fabric, the Name Server is responsible for enforcing soft zoning by controlling which devices are discoverable to other devices based on zoning rules.

Storage Connectivity

Question

Which of the following is responsible for enforcing soft zoning within a fabric?

Options

  • ATarget
  • BName server
  • CInitiator
  • DAlias

How the community answered

(24 responses)
  • B
    96% (23)
  • D
    4% (1)

Why each option

In a Fibre Channel fabric, the Name Server is responsible for enforcing soft zoning by controlling which devices are discoverable to other devices based on zoning rules.

ATarget

The target (storage array) enforces LUN masking and access control, but it relies on the fabric's zoning to restrict visibility at the Fibre Channel layer first.

BName serverCorrect

The Name Server is a Fibre Channel fabric service that maintains a database of all registered devices and their attributes. When soft zoning is configured, the Name Server filters the device discovery information it provides, ensuring that initiators only 'see' and can log in to targets within their allowed zone, thereby enforcing the zoning policy.

CInitiator

The initiator (host HBA) discovers available targets based on information from the fabric's Name Server; it does not enforce zoning itself.

DAlias

An alias is a user-friendly name used in zoning configurations but does not enforce the zoning policies itself.

Concept tested: Fibre Channel soft zoning enforcement

Source: https://www.cisco.com/c/en/us/td/docs/switches/datacenter/mds9000/sw/4_1/configuration/guides/zoning/zoning/cli/cfgs_cli.html

Topics

#Soft zoning#Fibre Channel#Name server#SAN security

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