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

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 NS0-158Latest exam Dumps

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Network Appliance NS0-158 Exam Overview:

Certification Vendor:NetApp
Exam Name:NetApp Certified Data Administrator ONTAP
Exam Number:NS0-158
Exam Duration:90 minutes
Exam Price:USD 150
Certificate Validity Period:24 months
Available Languages:English, Japanese
Real Exam Qty:60
Related Certifications:NetApp Certified Data Administrator ONTAP (NCDA)
Exam Format:Multiple Choice, Multiple Response
Sample Questions:Free Download Latest NS0-158 valid dump
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: Security- Security administration
  • 1. Authentication and authorization
  • 2. Security best practices
  • 3. Access control
Topic 2: Core ONTAP- ONTAP architecture and administration
  • 1. SVM administration
  • 2. Cluster concepts
  • 3. High availability concepts
Topic 3: Storage Protocols and Connectivity- Client and host connectivity
  • 1. iSCSI
  • 2. FCP
  • 3. NFS
  • 4. SMB/CIFS
Topic 4: ONTAP Storage- Storage provisioning and management
  • 1. Storage efficiency technologies
  • 2. Volumes
  • 3. Aggregates
Topic 5: Networking- Network configuration
  • 1. VLANs and failover groups
  • 2. LIF management
  • 3. Ports and broadcast domains
Topic 6: Performance- Monitoring and optimization
  • 1. Troubleshooting performance issues
  • 2. QoS concepts
  • 3. Performance analysis
Topic 7: Data Protection- Backup and recovery technologies
  • 1. Snapshot copies
  • 2. Data replication and recovery
  • 3. SnapMirror
Topic 8: Storage Platforms- ONTAP hardware platforms
  • 1. Controller models and architectures
  • 2. Disk shelves and storage components

What You Need to Know About the NS0-158 Exam

Network Appliance NetApp Certified Data Administrator, ONTAP is an official certification exam from NetApp, identified by the exam code NS0-158. Pass it and you hold the Network Appliance NCDA Certification certification, which sits at the Associate level. It also feeds into related credentials, including NetApp Certified Data Administrator ONTAP (NCDA). In practical terms, this certification tells employers your skills have been measured against the vendor's own standard, which is why certified candidates tend to stand out in hiring and promotion decisions.

Expect 60 questions within 90 minutes on the Network Appliance NetApp Certified Data Administrator, ONTAP exam. Numbers aside, the real challenge is rhythm: lingering too long on one item quietly steals time from three others. Build the habit of answering, flagging, and moving on, then rehearse the full experience under a countdown with the Actual4Dumps test engine until finishing comfortably early becomes your norm.

No prerequisite certification required. NetApp recommends 6-12 months of hands-on experience with ONTAP configuration, storage administration, and data management.

Because vendors update their policies without much fanfare, verify the latest entry requirements before you book using the official exam page.

Yes, and we encourage it. Download the free PDF demo of the Network Appliance NetApp Certified Data Administrator, ONTAP questions from Actual4Dumps and evaluate the quality on your own terms. After you buy, every update for the next 365 days is free, and when that window closes you can extend your update service at half price.

A 100% money-back guarantee applies, governed by clear conditions. If you sit the Network Appliance NetApp Certified Data Administrator, ONTAP exam within 60 days of purchase and fail, you can claim a full refund, as long as the exam corresponds to your product. Attempts made within 3 days of purchase are ineligible, as are products you downloaded but never used, free materials, and expired orders; the name on the exam record must match the payer's name. File your claim with a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, and it is settled within 7 days. Rather have a replacement than a refund? You may exchange for two other exam products of equal value, free, and your original product keeps its update service.

Delivery is essentially instantaneous: files unlock for download at payment and arrive in your email within one minute. Some vendors make you wait a day; if 2 hours pass here without delivery, check spam and contact customer service. Install on as many computers as you like, with no restrictions.

The Network Appliance NetApp Certified Data Administrator, ONTAP blueprint spans 8 domains. The ones carrying the most weight include Storage Protocols and Connectivity, Networking, and Security. The complete domain-by-domain breakdown is in the exam topics section above; treat it as your master checklist and let the weights tell you where your study hours earn the most.

Network Appliance NetApp Certified Data Administrator, ONTAP Sample Questions:

Question #1

At which level of granularity would you back up data to tape using the SMTape command?

  • A. directory
  • B. volume
  • C. aggregate
  • D. qtree
Answer: B

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Question #2

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 #3

Click the Exhibit button.

You create a volume as shown in the exhibit.
Which statement about the new volume is true?

  • A. A FlexVol volume is created on the aggregate (sas_01 or sas_02) with the most free space.
  • B. A FlexVol volume is created on aggregate sas_01 can only be moved to aggregate sas_02.
  • C. A FlexGroup volume is created with eight constituents.
  • D. A FlexGroup volume is created with two constituents
Answer: C

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Question #4

How many disks reside in a DS4246 shelf?

  • A. 14
  • B. 24
  • C. 46
  • D. 42
Answer: B
Question #5

Click the exhibit button.

You have a 2-node cluster named cl1 that has separate LIFs on each node for both SAN and NAS traffic.
A storage failover takeover process is initiated as shown in the exhibit.
In this scenario, which two statements about the takeover process are true? (Choose two.)

  • A. The SAN LIFs on cl1-01 automatically migrate to cl1-02.
  • B. The NAS LIFs on cl1-01 go offline.
  • C. The NAS LIFs on cl1-01 automatically migrate to cl1-02.
  • D. The SAN LIFs on cl1-01 go offline.
Answer: C,D

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