NS0-157 Question #345: Real Exam Question with Answer & Explanation

The correct answer is B: Cluster management. In NetApp ONTAP, only NAS data LIFs (CIFS/NFS) and the cluster management LIF support failover and migration between nodes.

Question

Which of the following logical interfaces have failover and migration capabilities between nodes? (choose all that apply)

Options

AData (FC, iSCSI)
BCluster management
CData (CIFS, NFS)
DNode management
ECluster interconnect

Explanation

In NetApp ONTAP, only NAS data LIFs (CIFS/NFS) and the cluster management LIF support failover and migration between nodes.

Common mistakes.

A. SAN LIFs using FC or iSCSI protocols do not support LIF migration or failover between nodes - they rely on host-side multipathing (MPIO/ALUA) for redundancy instead.
D. Node management LIFs are dedicated to managing a specific node and are bound to that node - they do not migrate or fail over to other nodes in the cluster.
E. Cluster interconnect LIFs handle intra-cluster communication and are fixed to dedicated interconnect ports - they do not support migration or failover.

Concept tested. NetApp ONTAP LIF failover and migration by protocol type

Reference. https://docs.netapp.com/us-en/ontap/networking/configure_lifs_@cluster_administrators_only@_overview.html

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