NS0-157 · Question #200
Protocol access is provided to data via what?
The correct answer is C. A Virtual Server. In Clustered Data ONTAP, protocol access to data is provided through a Virtual Server (Vserver/SVM), which owns the LIFs, volumes, and protocol services clients use.
Question
Protocol access is provided to data via what?
Options
- ACluster
- BA virtual filer
- CA Virtual Server
- DA high-available pair of storage systems
How the community answered
(47 responses)- A6% (3)
- B4% (2)
- C87% (41)
- D2% (1)
Why each option
In Clustered Data ONTAP, protocol access to data is provided through a Virtual Server (Vserver/SVM), which owns the LIFs, volumes, and protocol services clients use.
A cluster is the top-level collection of nodes and storage resources and does not itself present protocol endpoints directly to data clients.
A virtual filer is terminology from Data ONTAP 7-Mode multi-store environments and is not the correct term for the protocol-access entity in Clustered ONTAP (C-Mode).
A Virtual Server (Vserver, also called a Storage Virtual Machine or SVM) is the logical entity in Clustered ONTAP that owns LIFs, volumes, and protocol configurations such as NFS, CIFS, iSCSI, and FC. Clients connect to a Vserver's LIF addresses and are served data through the protocol services configured on that Vserver. This virtualization layer allows multiple independent protocol-serving environments to coexist on the same physical cluster.
An HA pair is a redundancy pairing of two nodes for storage failover purposes and does not serve as the logical entity through which protocol access is provided to clients.
Concept tested: Vserver as protocol access layer in Clustered ONTAP
Source: https://docs.netapp.com/us-en/ontap/concepts/storage-virtualization-concept.html
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