NetApp NS0-528 Certification Exam Sample Questions and Answers

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NetApp NS0-528 (NCIE-DP) Sample Questions:

01. To validate the environment, an engineer must prove that a single node failure causes no data-access loss for the host.
Which test correctly verifies takeover resiliency?
a) Fill the containing aggregate and confirm the thin-provisioned LUN stays online by borrowing space from the partner node.
b) Pull the host's fabric cable and confirm the cluster fails the volume over to a different aggregate on the partner node.
c) Remove the initiator from the igroup and confirm the host transparently re-establishes access through the surviving optimized paths.
d) Break the SnapMirror relationship and confirm the host continues reading from the destination LUN without a rescan.
e) Trigger a controlled takeover of one node and confirm the host keeps I/O flowing continuously over the surviving partner paths.
 
02. On a two-node HA pair, a host is expected to see a mapped LUN through paths to both nodes. The host does see the LUN and reports its correct size and ostype, but multipath shows paths to only one node.
What is the most likely cause?
a) A vol move is in progress, so the volume is temporarily unreachable through the destination node until cutover completes.
b) The LUN was mapped with an invalid LUN ID in the igroup, which suppresses exactly half of the paths advertised by the cluster.
c) The initiator is zoned to only one node's target ports, so the partner node's paths never appear.
d) The containing aggregate is full, forcing the thin-provisioned LUN offline on the paths served by the second node only.
e) ALUA has marked the partner node's paths as non-optimized, and the host multipath policy hides every non-optimized path by design.
 
03. Several thin LUNs share one aggregate that is steadily approaching full. An engineer is assessing what can happen and how to mitigate it before service is affected.
Which statements about this situation are correct?
(Choose three.)
a) Volume autogrow stops helping once it reaches its configured maximum size or the aggregate itself is full.
b) A space-reserved LUN in the same aggregate is guaranteed to accept new overwrites regardless of how full the aggregate becomes.
c) A thin LUN can be taken offline when the aggregate has no free blocks to satisfy an incoming write.
d) Adding more thin LUNs to the same aggregate increases the free space available to the existing LUNs.
e) Monitoring aggregate used-space with alert thresholds provides lead time to add capacity or free space.
 
04. A SAN implementation on an HA pair is complete, and the engineer is validating resiliency before handing the environment to the customer.
Which two verifications confirm path redundancy and correct failover behavior?
(Choose two.)
a) Confirm the containing aggregate is thin-provisioned so failover can reclaim space from idle paths automatically.
b) Confirm the fabric merges both nodes' target ports into a single zone so the host treats them as one path.
c) Confirm the SnapMirror baseline has finished so the destination LUN can serve reads during the takeover event.
d) Confirm host I/O continues uninterrupted through the surviving paths during a controlled node takeover.
e) Confirm the host sees both ALUA optimized and non-optimized paths to the LUN across both nodes.
 
05. When configuring a host's connection to an ONTAP SAN, the engineer sets the initiator group's ostype to match the host operating system.
Why does setting the correct ostype matter?
a) It selects which physical HBA firmware the switch will load onto the host at each link-up event.
b) It fixes the maximum number of controllers that are permitted to join the HA pair behind the SVM.
c) It decides which single fabric all of the host's multipath traffic must then be pinned to.
d) It forces the SVM to present only an NVMe target and to disable its FCP and iSCSI targets.
e) It makes ONTAP present the LUN with the on-disk geometry and block alignment that the specific host operating system expects.
 
06. During pre-install planning for an iSCSI SAN, an engineer has recorded the ONTAP release, each host OS version, the CNA firmware levels, and the Host Utilities versions.
What should the engineer do with this inventory before scheduling the installation?
a) Validate every recorded component combination against the IMT before scheduling, and resolve any unsupported pairing before the install proceeds.
b) Assume the environment is fine because each individual component is a current, generally available release from its own vendor.
c) Record the versions in the runbook for reference and defer any compatibility question until after cutover is complete.
d) Upgrade every recorded component to its newest available firmware so that the whole environment is as current as possible.
e) Proceed with the installation and open a support case only if a connectivity problem happens to surface during host testing.
 
07. Your cluster has four nodes. A LUN lives on an aggregate owned by node 1, with node 2 as its HA partner, and Selective LUN Map (SLM) is in effect by default.
Which statements describe how SLM reports paths for this LUN?
(Choose two.)
a) The LUN is reported only on the LIFs of the owning node and its HA partner, and nowhere else in the cluster.
b) Paths through nodes outside the owning HA pair are not advertised, which lowers the number of paths the host has to manage.
c) The LUN is reported on the LIFs of every node in the cluster so the host always has the maximum number of paths.
d) SLM replaces ALUA, so all reported paths are marked active/optimized regardless of which node owns the aggregate.
e) SLM requires a separate portset before any path is reported, and without one the LUN stays unmapped.
 
08. Ahead of a SAN implementation, a team wants to gather prerequisites and build an inventory of all SAN components so the configuration can be validated for interoperability.
Which set of information is most essential to collect for that validation?
a) The list of application owners and their contact details for post-migration acceptance sign-off.
b) The projected annual data growth rate and the retention policy for the customer's archived datasets.
c) ONTAP release, host OS versions, HBA/CNA firmware, switch firmware, and Host Utilities versions.
d) The preferred maintenance window and the change-approval process used by the customer's operations team.
e) The historical ticket volume and the average incident resolution time recorded for the customer's previous storage platform.
 
09. In an ONTAP SAN solution, one logical entity acts as the SAN server: it presents LUNs to hosts and owns the FCP/iSCSI target.
Which entity is that?
a) The fabric switch that interconnects the initiators and the targets.
b) The single-initiator zoning entry configured on the fabric.
c) The Host Utilities package installed on the host operating system.
d) The storage virtual machine (SVM) — always the entity that serves SAN LUNs to hosts.
e) The physical HBA installed in each of the connecting application hosts.
 
10. Before presenting LUNs to a mix of Windows, Linux, and ESXi hosts, you plan the host-side multipathing stack for each platform.
Which host-side components are correctly paired with their platform?
(Choose three.)
a) Linux uses DM-Multipath to group the redundant SCSI block devices into a single multipath device.
b) ESXi uses its Native Multipathing Plug-in (NMP) together with an ALUA-aware path-selection policy.
c) Windows uses the native MPIO feature together with a device-specific module (DSM) that is ALUA-aware.
d) ESXi requires NetApp Host Utilities to be installed as a kernel driver before any path can be claimed.
e) Windows relies on DM-Multipath, the same kernel module Linux loads, ported to the Windows storage stack.

Solutions:

Question: 01

Answer: e

Question: 02

Answer: c

Question: 03

Answer: a, c, e

Question: 04

Answer: d, e

Question: 05

Answer: e

Question: 06

Answer: a

Question: 07

Answer: a, b

Question: 08

Answer: c

Question: 09

Answer: d

Question: 10

Answer: a, b, c

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