CompTIA
CV0-003 · Question #99
CV0-003 Question #99: Real Exam Question with Answer & Explanation
The correct answer is B: NPIV. NPIV (N_Port ID Virtualization) is the Fibre Channel standard feature that allows multiple virtual ports to share a single physical host bus adapter port.
Cloud Architecture and Design
Question
Which of the following technologies enables port sharing on a single physical port?
Options
- AWWPN
- BNPIV
- CWWNN
- DPort mapping
Explanation
NPIV (N_Port ID Virtualization) is the Fibre Channel standard feature that allows multiple virtual ports to share a single physical host bus adapter port.
Common mistakes.
- A. WWPN (World Wide Port Name) is a globally unique 64-bit identifier assigned to a Fibre Channel port for identification and zoning purposes, not a mechanism for virtualizing or sharing a physical port.
- C. WWNN (World Wide Node Name) is a globally unique identifier assigned to a Fibre Channel node (HBA), used to identify the device in the fabric rather than to enable port-sharing or virtualization.
- D. Port mapping is a generic networking term for associating logical ports with services or addresses and is not a defined Fibre Channel standard or feature that enables physical port virtualization.
Concept tested. NPIV for Fibre Channel virtual port sharing
Topics
#NPIV#port virtualization#Fibre Channel#SAN
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