350-601 Question #566: Real Exam Question with Answer & Explanation

Question

What does WWPN uniquely identify in this Fibre Channel fabric?

Options

• Ainterface
• Bzone
• Carea
• Dswitch

Explanation

In a Fibre Channel fabric, a World Wide Port Name (WWPN) uniquely identifies a specific Fibre Channel port or interface on a device. It is a 64-bit identifier used for addressing and zoning within the network.

Common mistakes.

• B. A zone is a logical grouping of Fibre Channel ports or nodes to restrict communication, but the WWPN itself identifies the individual port, not the zone.
• C. 'Area' is not a standard, fundamental Fibre Channel identifier that a WWPN uniquely identifies; it does not represent the scope of a WWPN's unique identification.
• D. A switch in a Fibre Channel fabric is typically identified by its World Wide Node Name (WWNN), while each individual port on that switch has its own unique WWPN.

Concept tested. Fibre Channel WWPN identification

Reference. https://www.cisco.com/c/en/us/td/docs/switches/datacenter/mds9000/sw/6_2/configuration/guides/fccd/nx-os/zoning.html

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