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Network Appliance NS0-901 Exam Overview:

Network Appliance NS0-901 Exam Syllabus Topics:

Network Appliance NetApp Certified AI Expert Sample Questions:

1. Which storage protocols are commonly used for handling large-scale AI data? (Choose two)

A) POSIX-based file systems
B) Object-based storage
C) File-based systems
D) Parallel file systems

2. An architect is explaining different data storage paradigms to a new data engineering team. The team needs to understand where to store different types of data for their AI projects. Which statement accurately describes a key difference between a data lake and a data warehouse?

A) A data lake stores structured, processed data for fast querying, while a data warehouse stores raw, unstructured data in its native format.
B) A data lake uses a schema-on-write approach, while a data warehouse uses a schema-on-read approach.
C) A data lake is designed to store vast quantities of raw, multi-format data (structured, semi- structured, and unstructured), while a data warehouse is typically used for storing structured and filtered data that has already been processed for a specific purpose.
D) A data lake is only for on-premises deployments, while a data warehouse is only for cloud deployments.

3. A junior administrator is attempting to delete an old, unused Snapshot copy from a production volume to reclaim space but receives an error. The administrator is certain they are using the correct command and have the appropriate 'vsadmin' role.
The command and error are shown below:
cluster-1::> volume snapshot delete -vserver svm_prod -volume app_data -snapshot nightly.2025- 06-15_0015 Error: command failed: This operation is not permitted. Deletion of Snapshot copy "nightly.2025-
06-15_0015" on volume "app_data" in Vserver "svm_prod" requires approval.
Use the "security multi-admin-verify approval show" command to view pending approvals.
What is the most likely reason the administrator cannot delete the Snapshot?

A) Multi-Admin Verification (MAV) is enabled, and the destructive operation requires approval from another designated administrator.
B) The volume is protected by SnapLock, and the Snapshot has not reached its expiry date.
C) The Snapshot is locked by a SnapMirror relationship.
D) The 'vsadmin' role does not have permission to delete Snapshots.

4. What is the primary architectural benefit of using technologies like RDMA (Remote Direct Memory Access) and GPUDirect Storage in a high-performance AI training cluster?

A) They allow GPUs to communicate directly with each other and with NVMe storage, bypassing the host CPU and system memory, which significantly reduces I/O latency and CPU overhead.
B) They enable the use of lower-cost Ethernet switches in place of InfiniBand fabrics without any performance degradation.
C) They reduce the power consumption of the storage array by offloading checksum calculations.
D) They automatically encrypt data in-flight between the GPU servers and the storage system.

5. A training job on one of the NVIDIA DGX servers is running slowly. A performance engineer runs the 'dstat' command on the server and captures the following output during the job execution.
-total-cpu-usage- -dsk/total- -net/total- paging-- system-- usr sys idl wai hiq siq| read writ| recv send| in out | int csw 15 5 70 10 0 0| 1.2G 15.0M| 1.2G 12.0M| 0 0 | 15k 35k
14 6 69 11 0 0| 1.2G 14.3M| 1.2G 11.8M| 0 0 | 14k 33k
16 5 68 11 0 0| 1.2G 16.1M| 1.2G 13.1M| 0 0 | 16k 36k
The server is connected to the NetApp ASA via a 100GbE (12.5 GB/s) network.
What is the most likely performance bottleneck based on this data?

A) The server's network interface is saturated.
B) The server's CPU is overloaded.
C) The application is experiencing excessive memory paging.
D) The storage system (ASA) is unable to provide sufficient read throughput.

Solutions: