Netapp NetApp Certified Data Administrator (ONTAP) NS0-162 Exam Dumps: Updated Questions & Answers (October 2025)

SnapDiff is an internal ONTAP engine that quickly identifies the file and directory differences between two Snapshot copies. SnapDiff can be used by backup applications to perform incremental backups, by reducing the amount of data that needs to be scanned and transferred. SnapDiff can also be used by other ONTAP features, such as SnapMirror and SnapVault, to optimize data replication and protection. References :- How incremental tape backup uses SnapDiff and Snapshot copies, Commvault Adds Features to Fortify Ransomware Security, Rubrik | Better NAS Backup RPO with Changelist Snapshots, Snapshot copies

 ONTAP auditing generates binary log files that record the file and folder access events based on the audit policies. By default, ONTAP converts the binary log files to the EVTX file format, which is compatible with Microsoft Event Viewer. The EVTX files are stored in a location specified by the SVM administrator. To view the audit event logs, you can import the EVTX files into Microsoft Event Viewer and filter, sort, and analyze the events. You can also use other tools that support the EVTX file format, such as Microsoft Log Parser or third-party software12. The other options are not valid ways to accomplish this task. References :- View the audit event logs, How to access audit logs?

 To increase access security in both NFS and iSCSI environments, you can use Kerberos and CHAP as authentication methods. Kerberos is a network authentication protocol that uses tickets to provide mutual authentication between clients and servers. CHAP is a challenge-response protocol that verifies the identity of a peer by using a shared secret. ONTAP supports Kerberos for NFS exports, which allows you to secure NFS traffic with encryption and integrity checking. ONTAP also supports CHAP for iSCSI LUN access, which prevents unauthorized access to iSCSI targets and initiators. References :- NFS security overview, iSCSI Security Configuration

The correct action to solve the problem is to update the Selective LUN Map configuration for the LUN mapping. Selective LUN Map (SLM) is a feature that enables you to control which LUNs are visible to which hosts in an ONTAP cluster. SLM reduces the number of paths that are presented to the host and improves the performance and manageability of the SAN environment1. When you perform a volume move, the LUN mapping is automatically updated to include the new node as a destination node, but the old node remains as a source node until the move is completed. This causes ALUA to see twice the number of paths to the LUN, as both nodes are active for the LUN. To avoid this, you need to update the SLM configuration to remove the source node from the LUN mapping after the volume move is done2. Changing the MPIO policy on the host, ensuring that the fabric zoning is correct, or rebooting the host are not actions that would solve the problem, as they do not affect the LUN mapping or the ALUA state. References :- Selective LUN Map overview, How to use Selective LUN Map (SLM) with Volume Move

To set up a new SnapMirror SVM replication (SVM DR) relationship, you need to have the following SVM subtypes in the source and target clusters:

The target SVM subtype must be dp-destination, which means that the SVM is a destination for a SnapMirror SVM replication relationship. The dp-destination SVM is a read-only copy of the source SVM and cannot serve data to clients. It can be used for disaster recovery purposes or for cloning data sets1.

The source SVM subtype must be default, which means that the SVM is a regular SVM that can serve data to clients using various protocols. The default SVM can be the source for a SnapMirror SVM replication relationship, as well as for other types of SnapMirror relationships1.

The target SVM subtype cannot be sync-destination, as this subtype is used for SnapMirror Synchronous relationships, which are different from SnapMirror SVM replication relationships. SnapMirror Synchronous is a feature that enables zero-recovery point objective (RPO) replication between two volumes on different clusters, while SnapMirror SVM replication is a feature that enables replication of the entire SVM configuration and data between two clusters23.

The source SVM subtype cannot be sync-source, as this subtype is also used for SnapMirror Synchronous relationships, not for SnapMirror SVM replication relationships23. References :- SVM subtypes, SnapMirror Synchronous overview, About SnapMirror SVM replication.

The easiest and fastest way to restore a single file from a Snapshot copy is to use the Windows Shadow Copy Client, which allows the user to access and restore Data ONTAP Snapshot files from the Previous Versions tab in the Properties menu. This does not require any CLI commands or ONTAP System Manager operations. References :- Restoring files from Snapshot copies, Restore a single file from a Snapshot copy

 FabricPool is a feature of ONTAP that allows you to tier cold data from a local tier (aggregate) to a capacity tier (object storage) in the cloud or on-premises. ONTAP 9.8 supports four types of capacity tiers: AWS S3, Azure Blob, Google Cloud Storage, and ONTAP S3. StorageGRID is a NetApp product that provides on-premises S3 object storage. Therefore, both StorageGRID and ONTAP S3 are supported as capacity tiers for FabricPool aggregates in ONTAP 9.8. SWIFT Object Store and NFS Export are not supported as capacity tiers for FabricPool aggregates. References :- Considerations and requirements for using FabricPool, Storage Efficiencies, FabricPool with StorageGRID Recommendation Guide

Cloud Backup Service is an ONTAP native solution that supports using SnapMirror to mirror your data to public cloud object storage. Cloud Backup Service enables you to back up your ONTAP volumes to Amazon S3 or Azure Blob storage using SnapMirror Cloud technology. You can also restore your data from cloud storage to a different volume or cluster. Cloud Backup Service leverages SnapDiff V3, which is a feature that reduces the amount of data transferred and stored in the cloud by only sending the changed blocks between snapshots. Cloud Backup Service also preserves the ONTAP storage efficiencies and encryption in the cloud. The other options are not correct because they are not ONTAP native solutions or they do not support using SnapMirror to mirror your data to public cloud object storage. Flash Pool is a feature that combines SSDs and HDDs in a hybrid aggregate to improve performance and capacity. Cloud Compliance service is a feature that provides data privacy and security insights for your cloud data. Cloud Sync is a service that enables data synchronization between different sources and destinations, such as NFS, SMB, S3, Azure Blob, Google Cloud Storage, and more. References :- Back up data to the cloud using SnapMirror, A New Backup Architecture for NAS Systems - SnapDiff V3, SnapMirror in the Cloud: New Uses for NetApp Data Replication

 To add SSDs to existing HDD aggregates, you need to use the Automated Workload Analyzer (AWA) tool, which is a part of the Active IQ Performance Analytics service. AWA can help you to validate how many SSDs would improve performance by analyzing the workload characteristics and performance metrics of your cluster and providing recommendations for optimal SSD allocation. AWA can also help you to identify the best candidates for Flash Pool conversion, which is a feature that allows you to combine SSDs and HDDs in the same aggregate to improve performance and efficiency12.

OnCommand Workflow Automation is not the tool that can help you to validate how many SSDs would improve performance, as it is mainly used for automating storage management tasks and workflows3.

Active IQ Unified Manager is not the tool that can help you to validate how many SSDs would improve performance, as it is mainly used for monitoring and managing the health, performance, and configuration of the cluster, not the SSD allocation4.

ONTAP System Manager is not the tool that can help you to validate how many SSDs would improve performance, as it is mainly used for performing basic administration and management tasks on the cluster, not the SSD optimization5. References :- Active IQ Performance Analytics, Flash Pool overview, OnCommand Workflow Automation overview, Active IQ Unified Manager overview, ONTAP System Manager overview.

 The broadcast-domain split command allows you to create a new broadcast domain by moving one or more ports from an existing broadcast domain to the new one. In this scenario, you can use this command to move the e0e and e0c ports from the Default broadcast domain to a new broadcast domain in the same IPspace. This would satisfy the requirement of creating a new broadcast domain with the specified ports. The other options are not valid for this scenario, as they either create a new broadcast domain without moving any ports (A), merge two existing broadcast domains into one (D), or require a graphical user interface ©. References :- network port broadcast-domain split, Create a broadcast domain