Last Updated: Sep 11, 2026
No. of Questions: 60 Questions & Answers with Testing Engine
Download Limit: Unlimited
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| Certification Vendor: | NetApp |
|---|---|
| Exam Name: | NetApp Certified Support Engineer (NCSE) Exam |
| Exam Number: | NS0-191 |
| Certificate Validity Period: | 3 years (typical NetApp certification validity cycle) |
| Available Languages: | English |
| Exam Duration: | 120 minutes |
| Real Exam Qty: | 60-65 |
| Exam Format: | Scenario-based questions, Multiple-choice questions |
| Related Certifications: | NetApp Certified Support Engineer ONTAP Specialist NetApp Cloud and Storage Services Engineer |
| Recommended Training: | NetApp Learning Services |
| Exam Registration: | NetApp Certification Program |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Computer-based exam delivered via Pearson VUE (online proctored or test center) |
| Pre Condition: | Recommended 6–12 months of experience with NetApp ONTAP systems; familiarity with storage administration and troubleshooting is expected. |
| Official Syllabus URL: | https://www.netapp.com/support-and-training/netapp-learning-services/certifications/support-engineer/ |
| Section | Objectives |
|---|---|
| Protocols and Storage Access | - NAS (NFS, CIFS/SMB) configuration and troubleshooting - SAN (FC, iSCSI) concepts |
| Hardware Support | - Cluster interconnect troubleshooting - Hardware replacement procedures - NetApp hardware components (FRUs) |
| ONTAP Fundamentals | - ONTAP networking concepts - ONTAP protocols overview (NFS, CIFS/SMB) - Aggregate and volume concepts - System logging and AutoSupport - Clustered Data ONTAP architecture |
| Performance and Optimization | - Performance troubleshooting tools - ONTAP performance metrics |
| ONTAP Troubleshooting | - Data access troubleshooting - Performance analysis and monitoring - Root cause analysis techniques |
The Network Appliance NetApp Certified Support Engineer exam is the official Network Appliance assessment behind the NetApp Certified Support Engineer (NCSE) credential, which sits at the Professional level. Passing it confirms that your skills meet the vendor's current requirements rather than a textbook outline. It also connects with related certifications such as NetApp Certified Support Engineer ONTAP Specialist, NetApp Cloud and Storage Services Engineer, so it can anchor a broader certification path.
According to the official exam information, the Network Appliance NetApp Certified Support Engineer exam includes 60-65 questions and gives you 120 minutes to complete them. Treat that as a pacing exercise, not just a knowledge check: bank the questions you know first, flag the ones that stall you, and circle back instead of burning minutes on a single item. Before test day, run at least one full timed session in the Actual4Cert desktop or online test engine, so the clock never feels unfamiliar when it counts.
The official prerequisites for the Network Appliance NetApp Certified Support Engineer exam are as follows: Recommended 6–12 months of experience with NetApp ONTAP systems; familiarity with storage administration and troubleshooting is expected.. Requirements can change over time, so confirm the details on the official Network Appliance exam page at https://www.netapp.com/support-and-training/netapp-learning-services/certifications/support-engineer/ before you book your seat.
You can register through the official channels listed below:
Exam delivery: Computer-based exam delivered via Pearson VUE (online proctored or test center).
Network Appliance points candidates toward the following official training options:
Official training builds the theory; the 60 practice questions from Actual4Cert show you how that theory appears in exam-style items, which is where most study plans actually pay off.
Yes. A free PDF demo of the Network Appliance NetApp Certified Support Engineer practice questions is available on the Actual4Cert samples page, so you can check the question style and difficulty before spending anything. Every purchase also includes 365 days of free updates, and if your product expires after that period, you can extend the update service from your member zone at 50% off.
If you take the NS0-191 exam within 60 days of your purchase and do not pass, Actual4Cert offers a 100% money-back guarantee: send a scanned copy of your exam enrollment slip together with the official Score Report PDF within two days of your exam date, and the refund is processed within seven days. The candidate name must match the payer name, and the guarantee does not apply to exams taken within three days of purchase, to material that was downloaded without the exam actually being taken, or to free materials and expired orders. Prefer to keep studying instead? You can exchange your purchase for two additional exam products of equal value, free of charge, while keeping the update service on your original product. Delivery itself is instant: the download link is emailed within one minute of payment, and if nothing arrives within two hours, our support team will sort it out. There is no limit on how many computers you install the material on.
The Network Appliance NetApp Certified Support Engineer syllabus is organized into 5 domains. The leading areas include Protocols and Storage Access, ONTAP Troubleshooting, and Hardware Support. For the complete, topic-by-topic breakdown, scroll up to the Exam Topics section above.
Click the Exhibit tab.
A customer receives the AutoSupport message shown below.
''(?] Sat Aug 23 13:00:27 PDT [hostname: env_rngr: callhome.c.fan.fru.fault:error] : Call home for CHASSIS FAN FRU FAILED: SysFan3 F2
(?] Sat Aug 23 13:00:32 PDT [hostname: env_mgr: monitor.chassisFan.ok:notice]: Chassis fan Sysfan3 F2 is ok"
The output of the sysconfig -a command is shown in the exhibit.
In this scenario, what would you do to solve this problem?
A customer has one storage virtual machine (SVM) that is using Fibre Channel as a protocol (FCP).
Some clients are successfully accessing LUNs on this SVM. The zoning is done by using worldwide port names (WWPNs). The customer creates a second SVM for Fibre Channel and wants to access new LUNs in this SVM from the same clients.
Which three statements are true in this scenario? (Choose three.)
Click the Exhibit tab.
A customer receives "CLUSTER NMWORK DEGRADED" AutoSupport messages from this clustered Data ONTAP system .
The customer suspects that something occurred physically to the nodes after they had a data center maintenance move.
The customer proceeds to follow the instructions in the Knowledge
Base article regarding the "Error: CLUSTER NETWORK DEGRADED" message that results in the output shown In the exhibit.
After analysis, the customer decides to replace the small form-factor pluggable (SFP) transceivers and the cables on the system.
Which statistic supports the customer's analysis?
Click the Exhibit tab.
A customer is attempting to protect the source volume listed in the exhibit. They try to initialize a DP mirror relationship to the destination volume but it will not initialize as expected.
Which two settings on the destination volume are causing this problem? (Choose two.)
Your customer has a 2-node cluster with two FAS2554 controllers running clustered Data ONTAP 8.3.
You want to upgrade non-disruptively to clustered Data ONTAP 8.3.1 using the rolling-upgrade method.
Which two operations would you perform before issuing the A storage failover takeover - of node NodeA- command? (Choose two.)
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