NS0-181 NetApp Certified Storage Installation Engineer, ONTAP Practice Questions
Prepare for NS0-181 with more than an answer.
- Exam fee
- $200 USD
- Level
- Professional
- Valid for
- 24 months
Domains covered on the exam 6
- Basic Installation Topics and Tools
- ONTAP Concepts
- ONTAP Networking
- ONTAP Switches
- ONTAP Configuration
- Customer Handoff
- 1
The Service Processor (SP) or Baseboard Management Controller (BMC) on an ONTAP controller provides which critical functionality?
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Correct answer: B
The SP/BMC is an independent management subsystem that provides 'lights-out' management capabilities. It allows an administrator to connect to the controller's console, monitor hardware health (temperature, voltage), and power cycle the node, even if the main ONTAP operating system is unresponsive.
- 2
The command
system node run -node -command sysconfig -ais used by an installation engineer to verify what?Show answer details
Correct answer: D
The
sysconfig -acommand provides a comprehensive report of a node's hardware, including system memory, HBAs, NICs, disk shelves, and individual disks. It is a fundamental command used during installation and troubleshooting to verify that all hardware components are detected correctly and are operating without errors. - 3
Which type of ONTAP network is characterized by dedicated, high-speed, low-latency links that are isolated from all other traffic types and used exclusively for communication between nodes within a cluster?
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Correct answer: C
The Cluster Network, also known as the cluster interconnect, is a private, dedicated network used for all intra-cluster communication, such as heartbeats, data mirroring for HA, and coordinating operations. It must be physically and logically isolated from all other networks for stability and performance.
- 4
True or False: When adding a new disk shelf to an existing HA pair, the shelf must be cabled to both nodes in the pair to ensure high availability.
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Correct answer: A
This is true. To provide high availability and multipath access, each disk shelf must be connected to both nodes of the HA pair. This is known as Multipath HA (MP-HA) storage connectivity. This ensures that if one node fails, the surviving partner can still access all the disks in the shared shelves.
- 5
After a new cluster installation, a security audit requires the implementation of Role-Based Access Control (RBAC). A junior administrator needs read-only access to view volume and aggregate status but must be prevented from making any configuration changes. Which predefined ONTAP role should be assigned to this user's account?
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Correct answer: C
The
readonlyrole is a built-in ONTAP role that provides the ability to view configuration and status information across the cluster without granting any modification rights. This is the most appropriate and secure role for users who only need to monitor the system. - 6
An installation engineer is preparing to deploy a new 4-node AFF A250 cluster. The customer has provided their own Cisco Nexus 3132Q-V switches for the cluster interconnect. Before proceeding with the physical installation, which NetApp tool is critical for verifying that the specific firmware version on the customer's switches is supported for the planned ONTAP 9.11.1 installation?
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Correct answer: C
The Interoperability Matrix Tool (IMT) is the definitive resource for verifying compatibility between different hardware and software components in a NetApp environment. This includes ONTAP versions, switch models, switch firmware, host OS versions, and more. While Config Advisor checks for best practices and HWU verifies hardware components, only the IMT provides the specific matrix for supported firmware versions.
- 7
During the initial setup of a two-node switchless FAS8700 cluster, the engineer discovers that the cluster interconnect ports are not establishing a link. Both nodes are powered on, and the cables are securely connected. Which two factors are the most likely causes of this issue? (Select TWO)
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Correct answer: A, D
Using an incorrect or unsupported transceiver type is a common cause for link failure. The transceivers must match the port speed and type specified in the Hardware Universe for that specific controller model.
The type of fiber cable must match the transceiver. Using single-mode fiber with a multi-mode transceiver (or vice-versa) will prevent a link from being established.
- 8
An engineer is performing a rolling, non-disruptive upgrade (NDU) on a 6-node cluster from ONTAP 9.8 to 9.11.1. After successfully upgrading four nodes, the process pauses before upgrading the fifth node. An EMS message indicates 'Upgrade paused; an aggregate is offline.' What is the most appropriate first step to troubleshoot and resume the upgrade?
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Correct answer: B
The NDU process requires all aggregates to be online and healthy to ensure data availability during takeovers. The correct first step is to identify which aggregate is offline using the specified CLI command and then determine why it is offline (e.g., failed disks, plex issue) before attempting to resume the upgrade. Simply resuming without fixing the root cause will fail.
- 9
When creating a new data aggregate on an AFF system with 24 SSDs, the installation engineer must choose a RAID type. To maximize usable capacity while still providing robust double-parity protection against simultaneous drive failures, which RAID type should be selected?
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Correct answer: D
RAID-DP (Double Parity) is the standard and recommended RAID type for most NetApp ONTAP deployments. It provides protection against two simultaneous disk failures within a RAID group, which is the definition of double-parity protection. RAID-TEC offers triple-parity but results in less usable capacity. RAID 4 is single-parity, and RAID 1 (mirroring) is highly inefficient for large numbers of drives.
- 10
You are tasked with setting up the networking for a new ONTAP cluster that will serve both NFS and iSCSI traffic to different departments. To ensure complete network isolation, traffic from the Engineering department (VLAN 100) must never be able to traverse the same logical network path as traffic from the Finance department (VLAN 200). Which ONTAP networking construct should be used to achieve this level of strict separation?
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Correct answer: B
IPspaces provide distinct routing tables within the ONTAP cluster, creating completely separate logical network containers. LIFs, subnets, and broadcast domains in one IPspace are completely isolated from those in another. This is the correct mechanism for ensuring traffic from different tenants or departments cannot cross-contaminate, even if they use overlapping IP address ranges.
