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NS0-157 · Question #137
NS0-157 Question #137: Real Exam Question with Answer & Explanation
The correct answer is C: Data LIF. For Vserver-aware NDMP backups, the Data LIF must be enabled because backup traffic between the DMA and the SVM flows over the data network, not the management network.
Question
For Vserver-aware NDMP backups, the ______________ must be enabled with cluster-aware backup extensions.
Options
- AvServer management LIF
- BDMA server
- CData LIF
- DNode management LIF
Explanation
For Vserver-aware NDMP backups, the Data LIF must be enabled because backup traffic between the DMA and the SVM flows over the data network, not the management network.
Common mistakes.
- A. The vServer management LIF handles administrative and management plane traffic for the SVM, not data transfer operations like NDMP backups.
- B. The DMA (Data Management Application) is the external backup software client, not a LIF type that exists on the storage controller.
- D. The Node management LIF is scoped to node-level administrative access and does not carry SVM data traffic required for NDMP backup sessions.
Concept tested. Vserver-aware NDMP backup Data LIF requirement
Reference. https://docs.netapp.com/us-en/ontap/ndmp/configure-lifs-concept.html
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