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| Section | Objectives |
|---|---|
| Topic 1: ONTAP SAN solution assessment | - Solution design and hardware provisioned to meet customer requirements or expectations - Configuration components using tools - Environmental or physical considerations - Prerequisites and inventory for the installation of all SAN components during planning |
| Topic 2: ONTAP SAN Concepts | - Storage controller configuration concepts - Data protection concepts - Switch and/or host configuration concepts - Storage space utilization or management concepts |
| Topic 3: ONTAP SAN implementation and configuration | - Clustered storage system NVMe configuration tasks - Clustered storage system FCP configuration tasks - Storage space utilization or management concepts - Switches and host systems - Data protection - SVM configuration tasks - Clustered storage system iSCSI configuration tasks - Clustered storage systems and node configuration tasks |
| Topic 4: ONTAP SAN implementation testing and troubleshooting | - Data migration - Troubleshooting tasks - Testing tasks |
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質問 # 90
A customer has just purchased new FC adapters to use in their NetApp ONTAP nodes.
Where can the customer verify which slots the cards should be installed in?
正解:A
解説:
NetApp Hardware Universe is the authoritative resource for platform-specific hardware compatibility, supported adapter configurations, and slot priorities. When adding an FC adapter or another I/O module to an ONTAP controller, the administrator must verify that the adapter is supported by the specific controller model and determine the correct or preferred PCIe slot. NetApp installation documentation explicitly directs administrators to Hardware Universe when multiple slots are available so that the documented slot priorities are followed. The Interoperability Matrix Tool validates interoperability among ONTAP releases, hosts, HBAs, drivers, firmware, switches, and related components, but it is not the primary source for controller slot placement. Relevant SAN ONTAP topics include Hardware Universe, controller I/O architecture, FC adapters, PCIe slot priorities, hardware compatibility, and installation planning.
質問 # 91
A customer is using a new two-node NetApp All SAN Array (ASA) configuration with SnapMirror active sync. To verify that everything is set up correctly, the customer is reviewing the number of paths on the ESXi hosts.
How many paths should the customer see?
正解:D
解説:
Eight Active/Optimized paths and zero Active/Unoptimized paths is the correct result for the described ASA configuration. NetApp All SAN Array systems use symmetric active-active multipathing, under which all valid paths to a LUN are presented as active and optimized. NetApp's VMware guidance likewise states that ESXi recognizes ASA storage as symmetric and uses the active paths with round-robin multipathing. With SnapMirror active sync and the host connected through the intended redundant paths, the expected path presentation therefore does not contain the Active/Unoptimized paths characteristic of asymmetric access on non-ASA configurations. The key distinction is that ASA pathing is designed to avoid waiting for an ALUA transition after a controller failure. Relevant SAN ONTAP topics are ASA symmetric active-active, ALUA, ESXi multipathing, SnapMirror active sync, and redundant SAN paths.
質問 # 92
A customer is migrating FC-mounted VMFS datastores using SnapMirror from their existing NetApp ONTAP cluster to their new ONTAP cluster.
After breaking the SnapMirror relationship on the destination cluster, what does the customer need to do before mapping the LUN to the VMware hosts?
正解:B
解説:
For an FC-attached VMware VMFS datastore migrated through SnapMirror, maintaining the expected LUN identity is critical when presenting the replicated LUN from the destination cluster. VMware uses persistent SCSI device identifiers associated with the LUN, including its serial-based identity, when recognizing an existing VMFS device. ONTAP provides the lun modify -serial capability specifically to modify a LUN serial number. Therefore, after the SnapMirror destination is made writable, the destination LUN ' s serial number must be configured appropriately before the LUN is mapped back to the VMware initiators. Creating a FlexClone, restoring from a Snapshot copy, or changing the LUN OS type does not address device identity.
Relevant SAN ONTAP topics include SnapMirror SAN migration, LUN identity, LUN serial numbers, VMware VMFS, and LUN mapping.
質問 # 93
A customer requires multiple SAN and NAS protocols on a NetApp AFF cluster. The cluster must concurrently serve a namespace over NVMe/FC, a LUN over FCP, a LUN over iSCSI, and an NFS export.
Based on these requirements, what is the minimum data SVM count that is required?
正解:B
解説:
To concurrently serve a namespace over NVMe/FC, a LUN over FCP, a LUN over iSCSI, and an NFS export, only one data SVM (Storage Virtual Machine) is required. NetApp ONTAP allows a single SVM to support multiple SAN and NAS protocols simultaneously, enabling efficient and consolidated management of storage resources.
For more information, refer to:
* NetApp Documentation on SVM Configuration
* NetApp SVM Best Practices
質問 # 94
A customer has demanding database servers that require larger I/O queue counts and queue depths.
What should be done to increase these parameters for certain hosts?
正解:C
解説:
Adding the selected hosts to the NVMe subsystem with high priority is the correct method because ONTAP host priority controls the NVMe I/O queue resources assigned to a host. NetApp's NVMe subsystem model defines the host priority setting as allocating appropriate I/O queue counts and queue depths for the host to submit I/O commands. Therefore, demanding database hosts that require larger queue counts and deeper queues should receive the higher host-priority setting rather than changing a volume QoS policy. QoS governs workload throughput or performance limits and does not directly redefine the NVMe host submission-queue count and depth. Likewise, queue depth is not configured on an individual namespace in the manner described by option D. Relevant SAN ONTAP topics are NVMe subsystems, host priority, I/O queue count, I/O queue depth, and host performance configuration.
質問 # 95
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