SG0-001 Question #394: Real Exam Question with Answer & Explanation

The correct answer is D. ASIC. Hard zoning in a Fibre Channel fabric is enforced at the hardware level by the Application Specific Integrated Circuits (ASICs) within the Fibre Channel switches. These ASICs control port access, physically preventing unauthorized communication.

Storage Management

Question

Which of the following enforces hard zoning within a fabric?

Options

AName Server
BInitiator
CTarget
DASIC

Explanation

Hard zoning in a Fibre Channel fabric is enforced at the hardware level by the Application Specific Integrated Circuits (ASICs) within the Fibre Channel switches. These ASICs control port access, physically preventing unauthorized communication.

Common mistakes.

A. The Name Server provides mapping services (WWN to Port ID) within the fabric, but it does not enforce zoning rules.
B. An Initiator is a device that requests storage services, such as a server Host Bus Adapter (HBA), and is subject to zoning, but does not enforce it.
C. A Target is a device that provides storage services, such as a storage array port, and is subject to zoning, but does not enforce it.

Concept tested. Fibre Channel hard zoning enforcement

Reference. https://www.cisco.com/c/en/us/td/docs/switches/datacenter/mds9000/sw/6_2/configuration/guides/zoning/zoning_config/overview.html

Topics

#hard zoning#Fibre Channel zoning#ASIC

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