NS0-158 · Question #55
What is a characteristic of a single-node cluster?
The correct answer is C. It does not have any cluster interconnect LIFs. A single-node cluster, having only one node, does not require or include cluster interconnect LIFs, which are solely for communication between multiple nodes.
Question
What is a characteristic of a single-node cluster?
Options
- AIt only hosts a single SVM.
- BIt does not have a node management LIF.
- CIt does not have any cluster interconnect LIFs.
- DIt is unsupported in a production environment.
How the community answered
(54 responses)- A6% (3)
- B2% (1)
- C91% (49)
- D2% (1)
Why each option
A single-node cluster, having only one node, does not require or include cluster interconnect LIFs, which are solely for communication between multiple nodes.
A single-node cluster can host multiple Storage Virtual Machines (SVMs), allowing for logical separation of data and administration within that single node.
A node management LIF is required for managing the specific node, providing administrative access regardless of whether it's part of a single-node or multi-node cluster.
Cluster interconnect Logical Interfaces (LIFs) are specifically designed for inter-node communication within a multi-node cluster. In a single-node cluster configuration, there is only one node, making communication between nodes unnecessary, thus no cluster interconnect LIFs are required or present.
Single-node clusters are supported in production environments, particularly for smaller deployments, test environments, or specific edge cases where high availability across multiple nodes is not a primary requirement.
Concept tested: Characteristics of single-node clusters, Cluster Interconnect LIFs
Source: https://docs.netapp.com/us-en/ontap/networking/create-cluster-interconnect-lifs-910-1.html
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