- Exam Code: NS0-158
- Exam Name: NetApp Certified Data Administrator, ONTAP
- Updated: Sep 13, 2026
- Q & A: 83 Questions and Answers
Failing the NS0-158 exam means paying the registration fee all over again. Preparing with the 83 up-to-date practice questions from Actual4Dumps is by far the cheaper route to your Network Appliance NetApp Certified Data Administrator, ONTAP.
| Certification Vendor: | NetApp |
|---|---|
| Exam Name: | NetApp Certified Data Administrator ONTAP |
| Exam Number: | NS0-158 |
| Available Languages: | Japanese, English |
| Exam Duration: | 90 minutes |
| Exam Price: | USD 150 |
| Real Exam Qty: | 60 |
| Related Certifications: | NetApp Certified Data Administrator ONTAP (NCDA) |
| Exam Format: | Multiple Response, Multiple Choice |
| Certificate Validity Period: | 24 months |
| Sample Questions: | ![]() |
| Exam Way: | Pearson VUE testing centers and online proctored delivery (where available). |
| Pre Condition: | No prerequisite certification required. NetApp recommends 6-12 months of hands-on experience with ONTAP configuration, storage administration, and data management. |
| Official Syllabus URL: | https://www.netapp.com/support-and-training/netapp-learning-services/certifications/ontap-data-administration/ |
| Section | Objectives |
|---|---|
| Topic 1: ONTAP Storage | - Storage provisioning and management
|
| Topic 2: Storage Platforms | - ONTAP hardware platforms
|
| Topic 3: Core ONTAP | - ONTAP architecture and administration
|
| Topic 4: Performance | - Monitoring and optimization
|
| Topic 5: Data Protection | - Backup and recovery technologies
|
| Topic 6: Networking | - Network configuration
|
| Topic 7: Security | - Security administration
|
| Topic 8: Storage Protocols and Connectivity | - Client and host connectivity
|
The Network Appliance NetApp Certified Data Administrator, ONTAP is the official Network Appliance exam that leads to the Network Appliance NCDA Certification certification at the Associate level. Passing it validates your skills against Network Appliance standards and proves your qualification to current and future employers. The credential is also connected with related certifications such as NetApp Certified Data Administrator ONTAP (NCDA), so it can serve as a solid step in a broader certification path.
The NS0-158 exam has 60 questions in total and must be completed within 90 minutes. That leaves only a narrow time budget per item, so train yourself to flag a difficult question, move on, and circle back later instead of getting stuck. A week or two before your test date, run at least one full timed mock exam in the Actual4Dumps desktop or online test engine under the same 90 minutes limit, and repeat until you can finish with a few minutes left for review.
Network Appliance sets the following requirement for the NS0-158 exam: No prerequisite certification required. NetApp recommends 6-12 months of hands-on experience with ONTAP configuration, storage administration, and data management.. Eligibility rules can change from time to time, so always confirm the current prerequisites on the official exam page at https://www.netapp.com/support-and-training/netapp-learning-services/certifications/ontap-data-administration/ before you register.
Yes. Actual4Dumps offers a free PDF demo for the Network Appliance NetApp Certified Data Administrator, ONTAP, so you can review real sample questions and judge the quality before paying anything. After your purchase, you receive 365 days of free updates — whenever the question pool changes, you get the latest version at no cost. Once that period expires, you can extend your update service at a 50% discount from your member zone.
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The Network Appliance NetApp Certified Data Administrator, ONTAP is organized into 8 domains. Among the first ones are Data Protection, Networking, Storage Platforms, and the remaining domains cover the rest of the official objectives. For the complete topic breakdown with every subtopic, see the full NS0-158 exam outline above on this page.
You just finished upgrading a cluster to ONTAP 9.1 and would like to enable NetApp Volume Encryption (NVE) on an existing volume. You do not have NetApp Storage Encryption (NSE) drives installed.
Which three steps would you take to accomplish this task? (Choose three.)
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What are the two valid settings for fractional reserve? (Choose two.)
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When creating a data aggregate, what is the default minimum number of disks for RAID4 and RAID-DP?
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An administrator is designing an ONTAP solution that consists of eight FAS8200 nodes in a single cluster. Each node will use four ports for cluster connections.
Which cluster interconnect switch model should be used in this scenario?
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What are three volume-level storage efficiency features of ONTAP? (Choose three.)
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