View Full NetApp NS0-165 Exam Dumps and Practice Test Dumps.
Question 181
Which ONTAP feature provides a logical storage server for separating client workloads?
- Aggregate
- SVM
- LUN
- RAID group
Correct Answer: 2
Explanation
A Storage Virtual Machine, or SVM, provides a logical storage environment within an ONTAP cluster. It can contain volumes, logical interfaces, namespaces, and protocol configurations required to deliver storage services to clients. SVMs allow multiple independent environments to operate on the same physical cluster while maintaining logical separation. Administrators can configure different security, networking, authentication, and protocol settings for different SVMs. This makes SVMs useful for multi-tenant environments and organizations that need separate administrative or security boundaries. Proper SVM planning should consider workload requirements, network design, authentication, data protocols, and available storage resources.
Question 182
Which ONTAP feature can provide block-level storage access over a standard IP network?
- NFS
- SMB
- iSCSI
- SnapMirror
Correct Answer: 3
Explanation
iSCSI provides block-level storage access over IP networks. ONTAP can present LUNs to hosts through iSCSI, allowing the operating system to recognize them as block devices. Administrators configure iSCSI LIFs, host initiators, igroups, LUNs, and mappings to establish controlled access. Network connectivity and proper host configuration are essential for reliable operation. Multipathing can provide redundant paths when supported and correctly configured. Administrators should also consider authentication, VLANs, routing, performance, and redundancy. iSCSI is different from NFS and SMB because those protocols provide file-level access, while iSCSI presents block storage that the host can format and manage.
Question 183
Which ONTAP feature is used to protect important data by maintaining replicated copies on another system?
- SnapMirror
- FlexClone
- QoS
- Deduplication
Correct Answer: 1
Explanation
SnapMirror provides replication capabilities that can maintain copies of ONTAP data on another storage system. It is commonly used for disaster recovery, data protection, and maintaining secondary copies of important information. Administrators establish a source and destination relationship and configure an appropriate replication policy. The destination requires adequate capacity and connectivity to receive replicated data. Monitoring is important because replication failures can cause the destination to fall behind the required recovery point. Organizations should also document and test recovery procedures. A replication relationship is most valuable when administrators regularly verify that the destination data is current and that recovery operations can be performed successfully.
Question 184
Which ONTAP feature provides data immutability for files that must be retained?
- FlexGroup
- SnapLock
- FlexCache
- FabricPool
Correct Answer: 2
Explanation
SnapLock is designed to protect files from modification or deletion during a defined retention period. It is commonly used for compliance-related data and records that must remain unchanged for a specified period. The retention configuration determines when protected information can become eligible for normal deletion or modification. Administrators must carefully plan SnapLock settings because retention controls can restrict normal data-management operations. SnapLock is different from Snapshot copies because its main purpose is enforcing immutability and retention rather than providing ordinary point-in-time recovery. Organizations should align SnapLock configuration with documented retention policies and applicable regulatory or business requirements.
Question 185
Which ONTAP technology provides a unified namespace backed by multiple constituent volumes?
- FlexGroup
- FlexClone
- SnapLock
- LIF
Correct Answer: 1
Explanation
FlexGroup provides a single namespace across multiple constituent volumes. It is designed for large file-based datasets that require significant capacity, high file counts, or scalable performance. Clients access the FlexGroup as one logical filesystem while ONTAP manages the underlying constituent volumes. This architecture allows storage resources to be distributed across supported cluster resources while keeping client access simple. Administrators should consider workload characteristics, capacity, performance, and network configuration when planning a FlexGroup. Monitoring growth and resource utilization is also important. FlexGroup can help organizations scale file storage without requiring applications to manage many independent volumes.
Question 186
Which ONTAP feature is used to reduce the physical size of stored data through data encoding?
- Compression
- SnapMirror
- FlexCache
- Export policy
Correct Answer: 1
Explanation
Compression reduces the physical amount of storage required by representing data more efficiently. ONTAP can use compression as part of its storage-efficiency capabilities. The amount of space saved depends on the type of workload and how compressible the data is. Data that is already compressed or encrypted may provide less additional benefit. Compression can complement deduplication because the technologies reduce storage consumption in different ways. Administrators should monitor capacity savings and workload performance after enabling storage-efficiency features. Proper planning ensures that efficiency improvements support the organization’s capacity objectives without creating unexpected operational impacts.
Question 187
Which ONTAP feature is used to control access to a volume exported through NFS?
- Igroup
- Export policy
- QoS policy
- Snapshot policy
Correct Answer: 2
Explanation
An export policy defines access rules for NFS clients accessing exported ONTAP resources. Administrators can configure rules based on client information and specify the level of access permitted. Export policies provide an important layer of network-based access control, but they work together with authentication and filesystem permissions. A correctly configured policy helps ensure that only approved clients can access the exported data. Administrators should review policy rules carefully because overly broad access can create security risks, while overly restrictive rules can prevent legitimate applications from working. NFS troubleshooting should include checking export policies as well as network and permission settings.
Question 188
Which ONTAP object is used to identify host initiators for SAN access?
- SVM
- Igroup
- Aggregate
- Snapshot
Correct Answer: 2
Explanation
An igroup contains initiator identifiers for hosts that need access to SAN LUNs. Depending on the storage protocol, these identifiers can include iSCSI initiator names or Fibre Channel WWPNs. Administrators map LUNs to igroups to control which hosts can access specific block-storage devices. Correct initiator information is critical because an incorrect configuration can cause access failures or expose storage to unintended systems. Administrators should use clear naming conventions and verify initiator identifiers before mapping LUNs. In larger environments, consistent igroup management simplifies troubleshooting, improves organization, and helps administrators maintain controlled SAN access.
Question 189
Which ONTAP feature allows administrators to move a volume to another aggregate?
- Volume move
- FlexClone
- SnapLock
- FlexCache
Correct Answer: 1
Explanation
Volume move allows an ONTAP volume to be relocated between supported aggregates. It can be used for capacity balancing, performance management, storage reorganization, or maintenance activities. The volume remains the same logical storage object while its underlying physical placement changes. Before initiating a move, administrators should verify that the destination aggregate has sufficient capacity and appropriate characteristics for the workload. Monitoring the operation helps identify any issues and track progress. Volume move provides administrators with flexibility because storage placement can be adjusted without requiring clients to treat the destination as a completely different volume.
Question 190
Which ONTAP feature can provide a local recovery point without creating a complete independent copy of the volume?
- Snapshot copy
- SnapMirror
- FlexGroup
- QoS
Correct Answer: 1
Explanation
Snapshot copies provide point-in-time recovery points without immediately creating a complete physical copy of the protected volume. ONTAP preserves the blocks needed to represent the data state at the time the Snapshot was created. As active data changes, additional blocks may need to be retained so that the Snapshot remains valid. Snapshot copies are useful for recovering from accidental deletion, unwanted changes, and other operational problems. Administrators can automate their creation using Snapshot policies. Because retained Snapshots can consume additional capacity as data changes, administrators should establish appropriate retention schedules and monitor storage utilization.
Question 191
Which ONTAP technology is designed to serve cached data closer to remote clients?
- FabricPool
- FlexCache
- SnapLock
- RAID-DP
Correct Answer: 2
Explanation
FlexCache allows eligible data from an origin volume to be cached at another location. This can improve access for remote clients by allowing frequently accessed information to be served closer to them rather than repeatedly transferring it across a distant network connection. The origin volume remains the authoritative source. FlexCache can be useful for geographically distributed organizations and remote offices with recurring access to shared datasets. Administrators should evaluate network latency, cache capacity, workload behavior, and application requirements before implementation. Monitoring cache activity can help determine whether the configuration is providing the expected benefits and whether additional tuning is necessary.
Question 192
Which ONTAP feature provides double-parity protection against disk failures?
- RAID-DP
- RAID-0
- FlexGroup
- SnapLock
Correct Answer: 1
Explanation
RAID-DP uses two parity disks to provide protection against two disk failures within a RAID group. ONTAP can reconstruct missing data using the remaining data and parity information. This provides stronger protection than single-parity RAID configurations and is an important part of local storage resilience. RAID-DP does not protect against logical deletion, application corruption, or complete site failure, so organizations still need appropriate backup and replication strategies. Administrators should monitor storage health and respond promptly to failed disks. Understanding RAID protection is important when planning aggregate capacity and evaluating the resilience of ONTAP storage resources.
Question 193
Which ONTAP feature can limit storage workload performance according to a configured policy?
- Export policy
- QoS
- Snapshot policy
- SnapLock
Correct Answer: 2
Explanation
Quality of Service, or QoS, allows administrators to manage workload performance using defined policies. Depending on the configuration, limits can be applied to throughput or IOPS-related behavior. This can help prevent a workload from consuming excessive shared resources and affecting other applications. QoS is useful in environments where multiple workloads compete for the same storage infrastructure. Administrators should first understand the workload’s performance requirements before setting limits. After applying a policy, performance should be monitored to determine whether the result matches expectations. QoS works best as part of a broader performance-management strategy that includes monitoring and capacity planning.
Question 194
Which ONTAP protocol provides block-level storage access through Fibre Channel?
- SMB
- NFS
- FC
- HTTP
Correct Answer: 3
Explanation
Fibre Channel provides block-level SAN connectivity between hosts and ONTAP storage. ONTAP can present LUNs to supported hosts through Fibre Channel. Administrators configure Fibre Channel interfaces, host initiators, igroups, and LUN mappings to establish controlled access. SAN zoning and host-side configuration are also required for a complete Fibre Channel environment. Multipathing can provide redundant paths and improve availability when correctly configured. Administrators should maintain accurate records of initiator identifiers and LUN mappings because incorrect configurations can cause access problems or unintended storage exposure. Fibre Channel is commonly used for applications requiring reliable block-level SAN connectivity.
Question 195
Which ONTAP feature can automatically move inactive data to an object-store tier?
- FlexClone
- FabricPool
- SnapLock
- Igroup
Correct Answer: 2
Explanation
FabricPool enables ONTAP to tier eligible data to supported object storage. When data becomes inactive according to the configured tiering policy, ONTAP can move appropriate blocks from the local performance tier to the object tier. This can help free local capacity for active workloads. Administrators must configure an appropriate object store and ensure that network connectivity and tiering policies meet workload requirements. Tiering should be planned carefully because data access patterns influence how useful the configuration will be. Monitoring tiering activity, local capacity, and retrieval behavior helps administrators verify that FabricPool is achieving the intended storage-efficiency objectives.
Question 196
Which ONTAP feature provides file-level access for Windows-based clients?
- SMB
- NFS
- iSCSI
- FC
Correct Answer: 1
Explanation
SMB is used to provide file-level access for Windows clients. ONTAP supports SMB through SVMs, LIFs, shares, authentication services, and security permissions. In environments integrated with Active Directory, users can authenticate using centralized directory identities. Administrators can configure shares and permissions based on organizational requirements. SMB differs from iSCSI and Fibre Channel because it presents files and directories rather than raw block devices. Reliable SMB operation also depends on network connectivity, DNS, authentication, and correct permission configuration. Administrators should regularly review access permissions to ensure that users and applications receive only the access required for their responsibilities.
Question 197
Which ONTAP feature is used to replicate data between ONTAP systems for disaster recovery?
- Deduplication
- SnapMirror
- FlexCache
- Compression
Correct Answer: 2
Explanation
SnapMirror provides replication between ONTAP systems and is commonly used for disaster recovery. A source resource can be replicated to a destination system, where the replicated data can be maintained according to configured policies. Administrators should consider recovery point objectives, network bandwidth, destination capacity, and replication schedules when designing the relationship. Monitoring is essential because failed transfers can cause the destination to become outdated. Recovery procedures should be documented and tested periodically. This ensures that administrators understand how to access and use the replicated data during an actual recovery event rather than relying only on the assumption that replication is functioning correctly.
Question 198
Which ONTAP feature provides retention-based protection against modification or deletion of files?
- SnapLock
- FlexGroup
- FlexCache
- Volume move
Correct Answer: 1
Explanation
SnapLock provides retention-based data protection by preventing protected files from being modified or deleted before their configured retention requirements are satisfied. It is intended for information that must remain immutable for compliance or business reasons. Administrators need to carefully configure retention settings because protected information may have operational restrictions until the retention period ends. SnapLock should be implemented according to documented organizational requirements and applicable regulations. Administrators should also ensure that users and applications understand the retention behavior. Unlike Snapshot copies, which primarily provide point-in-time recovery, SnapLock focuses on preserving data in an immutable state for the required retention period.
Question 199
Which ONTAP feature allows a large file dataset to be presented through one namespace across multiple volumes?
- FlexClone
- FlexGroup
- SnapMirror
- SnapLock
Correct Answer: 2
Explanation
FlexGroup provides a single namespace backed by multiple constituent volumes. It is designed to support large-scale file workloads that require significant capacity, scalability, or performance. Clients interact with the FlexGroup as one logical filesystem, while ONTAP manages the underlying constituents. This reduces the need for applications to understand the physical distribution of data. Administrators should consider workload characteristics, cluster resources, capacity, and network configuration when deploying FlexGroup. Ongoing monitoring is important as the dataset grows. FlexGroup can provide scalable file storage while simplifying client access to very large datasets.
Question 200
Which ONTAP feature creates a writable, space-efficient copy for testing or development?
- SnapMirror
- FlexClone
- Snapshot policy
- Export policy
Correct Answer: 2
Explanation
FlexClone creates a writable copy of supported ONTAP data while initially sharing underlying blocks with the source. This makes it useful for testing, development, troubleshooting, and application validation. Because the clone does not immediately require a full physical copy, it can be created quickly and with lower initial capacity consumption. As changes occur, ONTAP preserves the necessary independent blocks and physical storage consumption can increase. Administrators should monitor clone usage and remove temporary clones when they are no longer required. FlexClone provides an efficient way to create working copies while preserving the original dataset for continued production use.