SK0-004 · Question #461
Which of the following components is required to connect multiple servers to a SAN?
The correct answer is B. HBA. An HBA (Host Bus Adapter) is the server-side interface card that provides connectivity between servers and a SAN fabric, making it the required component for attaching multiple servers to a SAN.
Question
Which of the following components is required to connect multiple servers to a SAN?
Options
- ARouter
- BHBA
- CRAID controller
- DFiber switch
How the community answered
(36 responses)- A3% (1)
- B89% (32)
- C8% (3)
Why each option
An HBA (Host Bus Adapter) is the server-side interface card that provides connectivity between servers and a SAN fabric, making it the required component for attaching multiple servers to a SAN.
A router operates at Layer 3 and is used for IP network routing between different subnets; it is not part of a SAN architecture, which uses Fibre Channel or iSCSI protocols instead.
A Host Bus Adapter is an expansion card installed in each server that provides a dedicated Fibre Channel or iSCSI interface to the SAN. Without an HBA, the server has no physical or logical means to communicate with the SAN storage fabric, making it the essential component for multi-server SAN connectivity.
A RAID controller manages disk arrays inside or directly attached to a server and does not provide connectivity to an external SAN fabric.
A Fibre Channel switch is part of the SAN fabric infrastructure that connects HBAs to storage arrays, but the question asks for the component required in the servers themselves to connect to the SAN.
Concept tested: SAN connectivity using Host Bus Adapters
Source: https://docs.netapp.com/us-en/ontap/san-config/host-support-multipathing-concept.html
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