NS0-157 Question #274: Real Exam Question with Answer & Explanation

The correct answer is D: The intercluster interface on each node must be able to communicate with the intercluster. Cluster peering in ONTAP requires that intercluster LIFs on each cluster node can communicate with the intercluster LIFs on the remote cluster nodes across the peering network.

Data Protection and High Availability

Question

What communication link is necessary in order to establish cluster peer relations between two clusters?

Options

AThe cluster interface on each node must be able to communicate with the intracluster interface on
BThe cluster interface on each node must be able to communicate with the node-mgmt interface
CThe intracluster interface on each node must be able to communicate with the intracluster
DThe intercluster interface on each node must be able to communicate with the intercluster

Explanation

Cluster peering in ONTAP requires that intercluster LIFs on each cluster node can communicate with the intercluster LIFs on the remote cluster nodes across the peering network.

Common mistakes.

A. The cluster (intracluster) interface is used for internal node-to-node communication within a single cluster, not for peering between separate clusters.
B. The node-mgmt interface is used for node administrative access and plays no role in establishing cluster peer relationships.
C. The intracluster interface handles internal cluster traffic only and cannot be used to bridge connectivity between two separate clusters for peering.

Concept tested. ONTAP cluster peering intercluster LIF connectivity requirements

Reference. https://docs.netapp.com/us-en/ontap/peering/prerequisites-cluster-peering-reference.html

Topics

#cluster peering#intercluster LIF#inter-cluster communication#network connectivity

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