NS0-185 Exam Dumps - NetApp Storage Installation Engineer - ONTAP Professional Exam

The CN1610 uses 10GbE SFP+, while the Cisco Nexus 3132Q-V provides 40GbE QSFP+ cluster ports. For non-disruptive migration, the interconnect must operate at 40GbE without breakout. AQSFP+ to QSFP+ 40GbE cablesupports this requirement and is validated for cluster interconnect traffic. Breakout cables would change port topology and are not used during NDU migration.

Cluster peering enables data replication and disaster recovery features such as SnapMirror and SnapVault. LIF configuration for cluster peering follows specific ONTAP SAN concepts.

Each cluster participating in a peer relationship must haveat least one intercluster LIF per node. This ensures redundancy and allows ONTAP to balance replication traffic across nodes.

Additionally,intercluster LIFs must use the default intercluster service policy, which defines the permitted traffic types and security rules required for peering operations.

An MTU of 9000 is recommended but not mandatory. Dedicated broadcast domains or IPspaces are optional and depend on network design.

Therefore, the correct answers areB and D.

This scenario is about iSCSI SAN path visibility after cluster expansion. ONTAP usesSelective LUN Map (SLM)concepts so that hosts do not automatically see every LUN through every node, which would create unnecessary paths. ONTAP documentation explains that with SLM, when a LUN map is created, the LUN is accessible through paths on the node that owns the LUN and its HA partner, and this behavior is controlled through thereporting-nodeslist.

If you wantadditional paths(including non-optimized paths) from newly added nodes, you must ensure the new nodes can be included in the reporting scope for those LUN mappings. ONTAP provides an explicit mechanism for this: the lun mapping add-reporting-nodes command is used before or after data mobility events to add nodes to the reporting-nodes list for a LUN mapping. This directly matches optionC (reporting nodes).

However, even if reporting-nodes is expanded, hosts only gain usable iSCSI access if the target LIFs are reachable/allowed. ONTAP documentation describes thatportsetscan be used with SLM to further restrict access, and when using SLM with portsets, LUNs are accessible on the set of LIFs included in the portset (on the owning node and its HA partner). Therefore, to “allow non-optimized paths from the AFF A250 nodes,” you must verify whether portsets are being used and that the appropriate new iSCSI LIFs are included (or that no restrictive portset blocks them). That makes optionA (port sets)the second correct configuration item.

Option B (switch zoning) applies to FC fabrics, not iSCSI. Option D (failover groups) affects NAS/management LIF failover behavior and does not control SAN LUN reporting visibility in the way SLM/reporting-nodes and portsets do.

When assessing storage configurations during ONTAP SAN solution design, one key objective may be maximizing usable data capacity.Advanced Drive Partitioning (ADP)is specifically designed to optimize disk utilization, especially in all-flash and hybrid systems.

ADP allows a single physical disk to be partitioned into multiple logical segments that serve different purposes, such as root data, user data, and spare capacity. This significantly reduces the number of disks reserved exclusively for system use and increases the total amount of disk space available for user data.

RAID-DP and RAID4 provide data protection but do not increase usable capacity; in fact, they reserve parity disks, reducing available space. Flash Pool combines SSDs with HDDs to create caching aggregates, which improves performance but does not maximize raw data capacity.

By contrast, ADP is explicitly intended to maximize usable storage by minimizing overhead. This makes it the optimal choice when the primary requirement ismaximum available data space.

Therefore, the correct answer isD (ADP).

Default failover groups are defined bybroadcast domains. Therefore, the LIF fails over to any operational port in the broadcast domain.

This is a post-install validation and troubleshooting scenario for SAS shelf cabling. ONTAP hardware installation guidance distinguishes betweenmultipath/tri-pathandquad-pathconfigurations based on how shelves are cabled. For shelves with IOM12/IOM12B modules, quad-path configurations requiredouble-wideshelf-to-shelf connectivity: first using the standard connections (IOM ports 3 and 1) and then adding double-wide connections (IOM ports 4 and 2). If quad-path HA is intended but Config Advisor reportsmixed-path HA, then ONTAP’s view of the end-to-end SAS topology does not match the expected double-wide design.

The question states LEDs look normal and rebooting the SAS expander did not change the status. That reduces the likelihood of a transient expander condition and shifts focus tophysical seating/connection integrity. In installation practice, a common next corrective step is tore-seat the SAS I/O modules(IOMs on the shelf side or SAS modules/adapters on the controller side depending on platform architecture). Reseating is a controlled, practical action to address partial lane connectivity, marginal contacts, or module insertion issues that can still present as “connected” at an LED level but result in ONTAP detecting fewer active paths than expected.

Option D is incorrect because multipath HA is not “the only” supported method on such platforms; ONTAP documentation explicitly describes quad-path (“double-wide”) cabling rules and steps. Option B (disconnect and rerun Config Advisor) is destructive and does not correct the underlying condition; it is more of a diagnostic reset than a validated next fix step, and it risks creating additional variables. Option A (open a case and power off shelves) is premature given there is a clear, standard physical remediation action remaining.

Therefore, the correct next step is tore-seat the SAS IO modulesof the affected controller.

NVMe access in ONTAP is controlled throughNVMe subsystems, not igroups. A namespace must be explicitly mapped to a subsystem to allow host access. If the namespace is not added to the subsystem, the host cannot discover or connect to it.

Additionally, NVMe access control relies onNQNs (NVMe Qualified Names). If the subsystem is configured with an incorrect host NQN, authentication fails and the host is denied access.

Igroups are used for iSCSI and FC, not NVMe, making options B and C incorrect.

Therefore, the correct answers areA and D.