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A customer opens a support case for performance issues with an FC Oracle database after migrating from a NetApp AFF system to a NetApp All SAN Array (ASA) platform. Further investigation shows that the number of paths exceeds the recommendation for SAN deployment.
What are two ways to address this problem? (Choose two.)
When the number of paths exceeds the recommended configuration for SAN deployment, it can cause performance issues. To address this problem, you can:
Use Selective LUN Mapping (SLM): SLM allows you to control which LIFs (Logical Interfaces) are used to access specific LUNs, thus reducing the number of paths and potentially improving performance by aligning with best practice configurations.
Reconfigure the fabric switch zoning: Adjusting the zoning on the fabric switches can help manage and optimize the number of paths, ensuring that there are not too many paths that could lead to inefficient I/O operations and performance degradation.
For more details, refer to:
NetApp SAN Host Configuration
NetApp Best Practices for SAN
A four-node NetApp ONTAP SAN cluster has been deployed. After installation, the engineer wants to verify cabling.
Which NetApp tool should the engineer use?
To verify the cabling of a four-node NetApp ONTAP SAN cluster after installation, the recommended tool is Active IQ Config Advisor. This tool provides detailed checks for proper configuration, including cabling verification, and helps ensure that best practices are followed for optimal performance and reliability.
For further details, see:
NetApp Active IQ Config Advisor
During maintenance of A NetApp AFF ONTAP cluster, which two steps are needed to move the SAN UFs to new nodes that are members of a portset? (Choose two.)
To move SAN LIFs to new nodes that are members of a portset during maintenance of a NetApp AFF ONTAP cluster, you should take the following steps:
Remove the LIF from the portset: This ensures that the LIF is no longer associated with the current node, preparing it for the move to the new node.
Take the SAN LIF offline: This step is necessary to make configuration changes without causing disruption to the SAN hosts. Once offline, the LIF can be moved to the new node and reconfigured as needed.
These actions help maintain the integrity and performance of the SAN environment during the migration of LIFs.
For more details, see:
NetApp Documentation on Moving SAN LIFs
NetApp Community on Moving LIFs
What Is modified when moving a LUN between different HA pairs in the same SVM to prevent loss of connectivity?
When moving a LUN between different HA pairs in the same SVM to prevent loss of connectivity, the reporting nodes must be modified. The reporting nodes configuration ensures that the initiator paths are properly updated to reflect the new physical location of the LUN. This prevents disruptions in connectivity by maintaining the correct pathing information for the host systems accessing the LUN.
For more details, refer to:
NetApp Documentation on LUN Management
A customer Is deploying a new 8-node NetApp ONTAP cluster for their SAN workloads using FCP, NVMe/FC, and NVMe/TCP.
In this scenario, which statement is true?
In a NetApp ONTAP cluster using FCP, NVMe/FC, and NVMe/TCP, it is important to understand that NVMe/FC and FCP require different FC ports. This separation is necessary because the protocols, while both running over Fibre Channel, have different configurations and operational characteristics.
For more information, refer to:
NetApp Documentation on NVMe Configuration
NetApp Best Practices for SAN
65 questions covering all exam domains, starting from $20
Exam domains verified against: Official NetApp NS0-521 exam guide, last checked September 2026.
Understand the fundamentals of Fibre Channel, iSCSI, and FCoE protocols, including port configuration, zoning, and LUN masking to ensure secure host connectivity. Gain knowledge of how to design and manage high-performance storage solutions through proper protocol selection and network design.
Configure and optimize ONTAP systems by setting up cluster nodes, storage virtual machines (SVMs), and network interfaces. Apply best practices for cluster creation, node management, and data protection strategies to ensure robust storage infrastructure.
Implement robust data protection techniques including snapshots, replication, and backup solutions to ensure data integrity. Learn how to facilitate disaster recovery by understanding recovery strategies and backup methodologies.
Sample question from this domain above: Q2
Develop skills to troubleshoot ONTAP issues effectively by diagnosing system problems and resolving configuration conflicts. Utilize monitoring tools for proactive system management and identify performance bottlenecks before they impact operations.
Sample question from this domain above: Q4
Implement data security controls including access controls, encryption techniques, and compliance with regulatory standards to protect stored data. Maintain data integrity and confidentiality while meeting organizational and legal requirements.
Explore the benefits of storage virtualization and implement automation techniques to streamline storage management. Improve operational efficiency by automating routine tasks and optimizing resource utilization.
Develop expertise in upgrading and migrating ONTAP systems with proper planning and execution. Learn data migration strategies and ensure seamless transitions with minimal downtime and data loss.
Perform analysis of storage requirements and forecast growth trends to anticipate future needs. Design scalable storage solutions that meet evolving business needs while optimizing costs and performance.
Common questions about the exam itself
