Free NS0-158: NetApp Certified Data Administrator ONTAP Exam Questions and Answers
NetApp Certified Data Administrator ONTAP is exam NS0-158, part of NetApp certification. Every NetApp exam code is NS0- plus three digits, where the final digit increments with each refresh of the same exam — so the NCDA data administration exam has run NS0-160 through NS0-163, and the code alone tells you which version you are looking at. Role families run NCTA and NCTSP at associate level, NCDA for data administration, NCIE for implementation engineering and NCSE for support.
The first 10 questions on this page are free to read, answers included — no account and no card. A plan opens the rest of the bank, the full timed practice test and your weak-topic reporting.
Last updated: September 15, 2026
- Exam code
- NS0-158
- Provider
- NetApp
- Questions in our bank
- 1000+
- Free to read
- First 10, with answers
- Official page
- Official Exam website
- Our test mode duration & pass mark
- 130 mins · 70%
Recommended: Switch to Test Mode to start a practice test that simulates the real exam experience.
Question #1
A volume Is set to use Adaptive QoS with the default policy. In this scenario, which change would affect the QoS throughput ceiling?
Please select an optionIncorrectCorrect answer: D
Was this answer correct?Question #2
After attempting to perform an ONTAP upgrade. It falls during the pre-check. In this scenario, what would cause this problem?
Please select an optionIncorrectCorrect answer: C
Was this answer correct?Question #3
Exhibit. The availability of the remote cluster in the peering relationship shows "Partial." Referring to the exhibit, what is the reason for this status message?
Please select an optionIncorrectCorrect answer: C
Was this answer correct?Question #4
Which command parameter will result in a thin-provisioned LUN?
Please select an optionIncorrectCorrect answer: C
Was this answer correct?Question #5
You have commissioned a new AFF A250 MetroCluster over IP configuration. Your company requires an automatic switchover to the surviving site In case of a site disaster. What do you need to configure to fulfill this requirement?
Please select an optionIncorrectCorrect answer: B
Was this answer correct?Question #6
You are currently using SnapMlrror Synchronous (SM-S) to protect a critical workload at your organization and you want to convert the SnapMlrror policy from Sync to StrictSync. In this scenario, which procedure allows you to achieve this task?
Please select an optionIncorrectCorrect answer: A
Was this answer correct?Question #7
What should be the first step in troubleshooting a slow performance issue in ONTAP?
Please select an optionIncorrectCorrect answer: A
Checking network latency helps identify if the issue is network-related before looking into other factors.
Was this answer correct?Question #8
In an ONTAP environment, which command would you use to check volume space usage?
Please select an optionIncorrectCorrect answer: B
The "volume show -space" command provides detailed information about the space usage of volumes.
Was this answer correct?Question #9
What action can minimize the risk of data loss in a SnapMirror configuration?
Please select an optionIncorrectCorrect answer: C
Testing failover regularly ensures that the backup is valid and reduces the risk of unexpected data loss.
Was this answer correct?Question #10
When configuring SnapMirror, what must be ensured regarding the destination volume?
Please select an optionIncorrectCorrect answer: A
The destination volume must have enough space to accommodate the incoming data from the source volume.
Was this answer correct?
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Other NetApp certifications
- NS0-184: NetApp Certified Storage Installation Engineer, ONTAP (opens in a new tab)
- NS0-180: NetApp Certified Storage Installation Engineer Clustered Data ONTAP (opens in a new tab)
- NS0-502: NetApp Certified Implementation Engineer - SAN,Data ONTAP 7-Mode (opens in a new tab)
- NS0-145: NetApp Certified Storage Associate (opens in a new tab)
- NS0-155: NetApp Certified 7-Mode Data Administrator (opens in a new tab)
- NS0-004: Technology Solutions (opens in a new tab)
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FAQ
Learn More: https://www.netapp.com/support-and-training/netapp-learning-services/certifications/
- Q1: What is the NS0-158: NetApp Certified Data Administrator ONTAP exam?
- A: NS0-158: NetApp Certified Data Administrator ONTAP is a Netapp certification exam. Judging by the questions in our bank, it concentrates on ontap, netapp, cluster, snapmirror and volume.
- Q2: What topics does the NS0-158: NetApp Certified Data Administrator ONTAP exam cover?
- A: Questions in our NS0-158: NetApp Certified Data Administrator ONTAP bank cluster around ontap, netapp, cluster, snapmirror, volume and hardware. Working through the full set is the quickest way to find which of these you are weakest on.
- Q3: How should I prepare for NS0-158: NetApp Certified Data Administrator ONTAP?
- A: Work through the NS0-158: NetApp Certified Data Administrator ONTAP practice questions here, checking your answer on each one, then sit the practice test to rehearse the exam under timed conditions before the real thing.
- Q4: Are these real NS0-158: NetApp Certified Data Administrator ONTAP exam questions?
- A: They are drawn from officially released past questions and from community members who have sat NS0-158: NetApp Certified Data Administrator ONTAP. Answers are verified and updated weekly.
- Q5: Where do I register for the NS0-158: NetApp Certified Data Administrator ONTAP exam?
- A: Register through Netapp directly at https://www.netapp.com/support-and-training/netapp-learning-services/certifications/. Exampractice is not affiliated with Netapp and does not administer the exam.
- Q6: Is there a free NS0-158: NetApp Certified Data Administrator ONTAP sample?
- A: Yes. Every NS0-158: NetApp Certified Data Administrator ONTAP page shows a free sample of real questions. Upgrading opens the full bank and the practice test.
- Q7: What are NetApp Certification Exams?
- A: NetApp Certification Exams validate your expertise in using and managing NetApp’s data storage and management solutions. These certifications demonstrate your proficiency in deploying, configuring, and optimizing NetApp technologies to support business operations and IT infrastructure.
- Q8: Why should I pursue NetApp Certification?
- A: NetApp Certification enhances your professional credibility, showcasing your skills and knowledge in data management and storage solutions. This can lead to better job opportunities, higher salaries, and career advancement in IT, data management, and cloud infrastructure roles.
- Q9: What are the benefits of NetApp Certification?
- A: Benefits include recognition as a certified NetApp professional, improved job performance, access to exclusive resources, continuing education opportunities, and staying current with the latest NetApp technologies and best practices.
- Q10: Who should take NetApp Certification Exams?
- A: IT professionals, system administrators, storage administrators, data management professionals, and anyone involved in managing and implementing NetApp solutions should consider these certifications to validate their expertise and advance their careers.
- Q11: What types of NetApp Certification Exams are available?
- A: NetApp offers various certification paths, including:
- Q12: How do I prepare for NetApp Certification Exams?
- A: Preparation can include official NetApp training courses, study guides, practice exams, online tutorials, and hands-on experience with NetApp products and solutions.
- Q13: Where can I take NetApp Certification Exams?
- A: NetApp Certification Exams can be taken at authorized Pearson VUE testing centers worldwide or online, providing flexibility to fit your schedule and location.
- Q14: How do NetApp Certifications impact my career?
- A: NetApp Certifications significantly boost your career by demonstrating your expertise to employers, making you a more competitive candidate for advanced roles and promotions in IT, data management, and cloud infrastructure.
- Q15: Are there any prerequisites for NetApp Certification Exams?
- A: Some exams may have prerequisites, such as foundational knowledge or prior experience with NetApp products. Check the specific requirements for each certification path on the NetApp certification website.
- Q16: How often do I need to recertify for NetApp Certifications?
- A: NetApp Certifications typically require recertification every two to three years to ensure that certified professionals stay updated with the latest technologies and industry practices.