Expected NS0-521 Exam Topics, as suggested by NetApp :

• Module 1: Storage Networking Technologies: This section is about how to understand the fundamentals of storage networking, including Fibre Channel, iSCSI, and FCoE protocols, to design and manage high-performance storage solutions.
• Module 2: ONTAP System Configuration: This domain covers the skills to configure and optimize ONTAP systems, including cluster creation, node management, and data protection strategies.
• Module 3: Data Protection and Disaster Recovery: This domain covers how to implement robust data protection techniques, such as snapshots, replication, and backup solutions, to ensure data integrity and facilitate disaster recovery.
• Module 4: Storage Performance Optimization: In this section, the focus is on how to discover the art of optimizing storage performance through effective workload management, caching strategies, and system tuning for demanding applications.
• Module 5: SAN Design and Implementation: This section of the exam covers how to design and deploy robust SAN architectures, including zoning, LUN creation, and host integration, ensuring high availability and seamless data access.
• Module 6: ONTAP Troubleshooting and Monitoring: This section of the exam covers skills to troubleshoot ONTAP issues effectively and utilize monitoring tools for proactive system management.
• Module 7: Storage Security and Compliance: This section of the exam covers data security with access controls, encryption techniques, and compliance with regulatory standards, maintaining the integrity and confidentiality of stored data.
• Module 8: Storage Virtualization and Automation: This section explores the benefits of storage virtualization and implements automation techniques to streamline storage management and improve operational efficiency.
• Module 9: ONTAP Upgrade and Migration: In this section, the focus is on the expertise in upgrading and migrating ONTAP systems, including planning, data migration strategies, and ensuring seamless transitions.
• Module 10: Storage Capacity Planning: In this section of the exam, the focus is on the analysis of storage requirements, forecast growth, and design of scalable storage solutions to meet evolving business needs.