Network Appliance NS0-158 actual dump : NetApp Certified Data Administrator, ONTAP

NS0-158
  • Exam Code: NS0-158
  • Exam Name: NetApp Certified Data Administrator, ONTAP
  • Updated: Sep 13, 2026
  • Q & A: 83 Questions and Answers

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About Network Appliance NS0-158 Exam Questions

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.

Network Appliance NS0-158 Exam Overview:

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:Free Download Latest NS0-158 actual dumps
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/

Network Appliance NS0-158 Exam Syllabus Topics:

SectionObjectives
Topic 1: ONTAP Storage- Storage provisioning and management
  • 1. Aggregates
  • 2. Volumes
  • 3. Storage efficiency technologies
Topic 2: Storage Platforms- ONTAP hardware platforms
  • 1. Controller models and architectures
  • 2. Disk shelves and storage components
Topic 3: Core ONTAP- ONTAP architecture and administration
  • 1. High availability concepts
  • 2. Cluster concepts
  • 3. SVM administration
Topic 4: Performance- Monitoring and optimization
  • 1. Troubleshooting performance issues
  • 2. QoS concepts
  • 3. Performance analysis
Topic 5: Data Protection- Backup and recovery technologies
  • 1. Data replication and recovery
  • 2. SnapMirror
  • 3. Snapshot copies
Topic 6: Networking- Network configuration
  • 1. VLANs and failover groups
  • 2. LIF management
  • 3. Ports and broadcast domains
Topic 7: Security- Security administration
  • 1. Access control
  • 2. Security best practices
  • 3. Authentication and authorization
Topic 8: Storage Protocols and Connectivity- Client and host connectivity
  • 1. FCP
  • 2. NFS
  • 3. iSCSI
  • 4. SMB/CIFS

Common Questions About the Network Appliance NS0-158 Exam

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.

If you take the NS0-158 exam within 60 days of your purchase and do not pass, you can apply for a full refund under our 100% Money Back Guarantee. To qualify, submit a scanned copy of your exam enrollment slip together with your official Score Report (PDF) within 2 days after the exam date, and your claim will be processed within 7 days. Note that the guarantee applies only to the corresponding exam: attempts taken within 3 days of purchase, downloaded-but-unused materials, free resources, and expired orders are not eligible, and the candidate name must match the purchaser name. If you would rather not refund, you can exchange the product for two free exam products of equal value while keeping the update service on your original purchase.

Delivery is instant: your files are available to download right after payment and are also sent to your email within one minute. If nothing arrives within 2 hours, contact our support team (and check your spam folder first). There is no limit on the number of computers you can install the product on.

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.

Network Appliance NetApp Certified Data Administrator, ONTAP Sample Questions:

Question #1

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.)

  • A. Execute the key manager setup wizard.
  • B. Perform volume move operation using the -encrypt-destination true parameter.
  • C. Install the NVE license.
  • D. Replace drives with NSE drives.
  • E. Modify the volume options with the -encrypt true parameter.
Answer: A,B,C

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Question #2

What are the two valid settings for fractional reserve? (Choose two.)

  • A. 20%
  • B. 100%
  • C. 50%
  • D. 0%
Answer: B,D

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Question #3

When creating a data aggregate, what is the default minimum number of disks for RAID4 and RAID-DP?

  • A. 5 for RAID4 and 9 for RAID-DP
  • B. 4 for RAID4 and 7 for RAID-DP
  • C. 3 for RAID4 and 5 for RAID-DP
  • D. 2 for RAID4 and 3 for RAID-DP
Answer: C

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Question #4

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?

  • A. CN1610
  • B. CN1601
  • C. Nexus 5010
  • D. Nexus 5596UP
Answer: D

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Question #5

What are three volume-level storage efficiency features of ONTAP? (Choose three.)

  • A. compression
  • B. deduplication
  • C. space reclamation
  • D. deswizzle
  • E. compaction
Answer: A,B,E

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