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  • NS0-521: Implementation Engineer - SAN ONTAP Exam

NetApp NS0-521 Exam Questions

Exam Name: Implementation Engineer - SAN ONTAP Exam
Exam Code: NS0-521
Related Certification(s): NetApp Certified Implementation Engineer - SAN Specialist Certification
Certification Provider: NetApp
Number of NS0-521 practice questions in our database: 65 (updated: Aug. 03, 2025)
Expected NS0-521 Exam Topics, as suggested by NetApp :
  • Topic 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.
  • Topic 2: ONTAP System Configuration: This domain covers the skills to configure and optimize ONTAP systems, including cluster creation, node management, and data protection strategies.
  • Topic 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.
  • Topic 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.
  • Topic 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.
  • Topic 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.
  • Topic 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.
  • Topic 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.
  • Topic 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.
  • Topic 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.
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Janessa

2 months ago
ONTAP SAN exam conquered! Pass4Success's focused content saved me so much study time.
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Kimberely

3 months ago
Just became NetApp Certified! Pass4Success made exam prep efficient and effective.
upvoted 0 times
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Hillary

4 months ago
Pass4Success's practice tests were spot on for the NetApp SAN exam. Passed with ease!
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Hyun

5 months ago
Nailed the ONTAP Implementation Engineer exam. Pass4Success, you're a game-changer!
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Cherry

6 months ago
NetApp certification in the bag! Pass4Success's materials were worth every penny.
upvoted 0 times
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Nina

7 months ago
SAN ONTAP exam success! Pass4Success's targeted questions were key to my quick preparation.
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Alana

7 months ago
I passed the NetApp Implementation Engineer - SAN ONTAP Exam, and Pass4Success practice questions were crucial. One challenging question was about ONTAP system configuration, specifically about setting up SVMs and LIFs. I wasn't sure about the best practices for network segmentation.
upvoted 0 times
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Rima

8 months ago
Passed my NetApp ONTAP exam with flying colors. Couldn't have done it without Pass4Success.
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Portia

8 months ago
Thrilled to have passed the NetApp Implementation Engineer - SAN ONTAP Exam. Pass4Success practice questions were a great help. There was a question on storage security and compliance, asking about configuring encryption at rest and in transit. I wasn't entirely confident about the encryption protocols.
upvoted 0 times
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Jonelle

8 months ago
I passed the NetApp Implementation Engineer - SAN ONTAP Exam with the help of Pass4Success practice questions. One question that threw me off was about storage capacity planning. It asked how to forecast storage needs based on historical data, and I wasn't sure about the exact metrics to use.
upvoted 0 times
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Tracey

8 months ago
Grateful for Pass4Success - their questions were nearly identical to the real NetApp exam!
upvoted 0 times
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Dahlia

9 months ago
Just passed the NetApp Implementation Engineer - SAN ONTAP Exam! The Pass4Success practice questions were invaluable. A tough question was about storage networking technologies, specifically about configuring FC and iSCSI protocols. I had to guess the best practices for multipathing.
upvoted 0 times
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Shannon

9 months ago
I successfully passed the NetApp Implementation Engineer - SAN ONTAP Exam, and Pass4Success practice questions played a big role. One question that puzzled me was about data protection strategies in ONTAP. It asked how to configure SnapMirror for disaster recovery, and I wasn't entirely sure of the replication policies.
upvoted 0 times
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Iluminada

10 months ago
ONTAP SAN certification achieved! Pass4Success made prep so much faster and easier.
upvoted 0 times
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Derrick

10 months ago
Happy to share that I passed the NetApp Implementation Engineer - SAN ONTAP Exam. The Pass4Success practice questions were spot on. There was a question about storage virtualization, specifically about configuring FlexVols and FlexGroups. I was unsure about the best practices for balancing performance and capacity.
upvoted 0 times
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Kizzy

10 months ago
I passed the NetApp Implementation Engineer - SAN ONTAP Exam, thanks to Pass4Success practice questions. One challenging question was about the steps involved in upgrading ONTAP clusters. It asked for the sequence of actions to ensure minimal downtime, and I wasn't completely confident in my answer.
upvoted 0 times
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Blondell

11 months ago
Aced the NetApp Certified Implementation Engineer exam. Pass4Success materials were a lifesaver!
upvoted 0 times
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Pearly

11 months ago
Just cleared the NetApp Implementation Engineer - SAN ONTAP Exam! The Pass4Success practice questions were a lifesaver. There was a tricky question on troubleshooting ONTAP systems, specifically about identifying the root cause of a latency issue using performance monitoring tools. I had to guess, but I still managed to pass.
upvoted 0 times
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Caitlin

11 months ago
I recently passed the NetApp Implementation Engineer - SAN ONTAP Exam and found the Pass4Success practice questions incredibly helpful. One question that stumped me was about configuring ONTAP systems for optimal performance. It asked how to set up aggregates and volumes to maximize IOPS, and I wasn't entirely sure of the best approach.
upvoted 0 times
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Melda

11 months ago
Exam conquered, thanks to Pass4Success! The exam tests your understanding of SAN design principles. Know how to architect scalable and resilient SAN solutions using ONTAP.
upvoted 0 times
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Ling

12 months ago
Just passed the NetApp ONTAP SAN exam! Thanks Pass4Success for the spot-on practice questions.
upvoted 0 times
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Free NetApp NS0-521 Exam Actual Questions

Note: Premium Questions for NS0-521 were last updated On Aug. 03, 2025 (see below)

Question #1

A storage administrator recently implemented ISCSI SAN in a customer environment. Which two actions should be done to ensure the best performance? (Choose two.)

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Correct Answer: A, D

To ensure the best performance in an iSCSI SAN implementation:

Connect host and storage ports to the same switches: This minimizes latency and maximizes the efficiency of data paths by ensuring direct connections within the same network segment.

Configure Jumbo frames in the entire data path: Setting a larger Maximum Transmission Unit (MTU) size reduces the overhead for processing each packet, thus improving overall network performance. Ensuring Jumbo frames are configured end-to-end in the data path is crucial for optimal performance.

For further details, check:

NetApp Best Practices for iSCSI

NetApp Community Discussion on iSCSI Performance


Question #2

A LUN Is displaying 90% used space in the NetApp ONTAP CLI, but a Windows Server shows only 10% used space.

What is the first step to take to address this issue?

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Correct Answer: D

When a LUN shows 90% used space in the NetApp ONTAP CLI but a Windows Server shows only 10% used space, the discrepancy is often due to how space allocation is handled between the two systems. Enabling space allocation ensures that the ONTAP system accurately reflects the actual space usage as reported by the host system, in this case, the Windows Server. This adjustment allows ONTAP to reclaim and manage space more effectively, aligning the reported usage between the ONTAP system and the host.

For more information, refer to:

NetApp Community Discussion on Space Allocation

NetApp Documentation on Space Usage


Question #3

An engineer Is implementing a data migration scenario for a customer who has multiple FC LUNs across multiple third-party SAN arrays. The engineer wants to use Foreign LUN Import (FLI) for the migration.

What is a requirement on the destination NetApp ONTAP cluster for FLI?

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Correct Answer: D

When using Foreign LUN Import (FLI) for migrating LUNs from third-party SAN arrays to a NetApp ONTAP system, one of the requirements is to have at least one Fibre Channel (FC) port configured in target mode on the destination NetApp ONTAP cluster. This configuration is necessary to facilitate the migration process as the target mode port will accept and manage incoming data from the source SAN arrays.

For additional details, refer to:

NetApp Documentation on FLI


Question #4

Which two steps must be taken first to restore a LUN from a SnapMirror Synchronous destination? (Choose two.)

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Correct Answer: B, C

To restore a LUN from a SnapMirror Synchronous destination, the following steps must be taken:

Release the relationship: This step is necessary to break the SnapMirror relationship, allowing the LUN to be restored independently.

Delete the relationship: After releasing the relationship, deleting it ensures that there are no residual dependencies or configurations that might interfere with the restore process.

For more information, refer to:

NetApp Documentation on SnapMirror Synchronous (NetApp) (NetApp).


Question #5

What connectivity Is required between NetApp ONTAP clusters in order to configure SnapMirror active sync across two data centers for FC?

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Correct Answer: C

To configure SnapMirror active sync across two data centers using FC (Fibre Channel), the required connectivity between NetApp ONTAP clusters is cluster peering. Cluster peering involves establishing a trust relationship between the clusters, allowing them to replicate data seamlessly. This setup ensures that data synchronization and disaster recovery processes are effective and reliable.

For more detailed information, you can check:

NetApp Documentation on SnapMirror and Cluster Peering


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