SG0-001 · Question #258
What enables a virtual machine to have a unique World Wide Port Name?
The correct answer is C. N_Port ID Virtualization. N_Port ID Virtualization (NPIV) enables a virtual machine to have a unique World Wide Port Name (WWPN) by allowing a single physical HBA port to register multiple virtual N_Port IDs.
Question
What enables a virtual machine to have a unique World Wide Port Name?
Options
- AAddress Replacement Protocol
- BVirtual Machine Address Translation
- CN_Port ID Virtualization
- Dextended WWID Architecture
How the community answered
(23 responses)- A4% (1)
- C91% (21)
- D4% (1)
Why each option
N_Port ID Virtualization (NPIV) enables a virtual machine to have a unique World Wide Port Name (WWPN) by allowing a single physical HBA port to register multiple virtual N_Port IDs.
Address Resolution Protocol (ARP) is used for mapping IP addresses to MAC addresses in IP networks, which is unrelated to Fibre Channel WWPNs.
N_Port ID Virtualization (NPIV) is a Fibre Channel standard that enables a single physical HBA port to be shared by multiple virtual machines, each presenting a unique WWPN and WWNN to the Fibre Channel fabric, allowing VMs to be independently zoned and managed. This virtualization of the N_Port ID makes each VM appear as a distinct device on the SAN, granting it a unique WWPN.
Concept tested: Fibre Channel NPIV for VMs
Source: https://learn.microsoft.com/en-us/windows-server/virtualization/hyper-v/plan/plan-hyper-v-security#n-port-id-virtualization-npiv
Topics
Community Discussion
No community discussion yet for this question.