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| Section | Objectives |
|---|---|
| ONTAP SAN implementation testing and troubleshooting | - Testing tasks - Data migration - Troubleshooting tasks |
| ONTAP SAN implementation and configuration | - Switches and host systems - Clustered storage system iSCSI configuration tasks - Data protection - Clustered storage system NVMe configuration tasks - Clustered storage system FCP configuration tasks - Storage space utilization or management concepts - Clustered storage systems and node configuration tasks - SVM configuration tasks |
| ONTAP SAN Concepts | - Switch and/or host configuration concepts - Storage controller configuration concepts - Storage space utilization or management concepts - Data protection concepts |
| ONTAP SAN solution assessment | - Configuration components using tools - Environmental or physical considerations - Prerequisites and inventory for the installation of all SAN components during planning - Solution design and hardware provisioned to meet customer requirements or expectations |
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NEW QUESTION # 41
Which functionality enables a host subsystem to have multiple paths to a NetApp ONTAP NVMe namespace?
Answer: A
Explanation:
Asymmetric Namespace Access (ANA) is the NVMe mechanism used by ONTAP to provide multipath access to NVMe namespaces. NetApp documents that NVMe hosts use ANA for multipath high availability, whereas conventional FCP and iSCSI hosts use Asymmetric Logical Unit Access (ALUA). ANA enables the NVMe host to understand the accessibility and optimization state of each path to a namespace and select an appropriate path during normal operation or failover. An NQN is an NVMe Qualified Name used to identify hosts, subsystems, and controllers; it does not provide multipath functionality. IQN is associated with iSCSI, while ALUA applies to SCSI-based SAN protocols. Therefore, ANA is specifically responsible for NVMe namespace multipathing in ONTAP environments. Relevant SAN ONTAP topics include NVMe-oF, ANA, namespace access, host multipathing, and HA path management.
NEW QUESTION # 42
What will enable iSCSI multipathing on a new Windows Server 2022?
Answer: A
Explanation:
NetApp Windows Host Utilities are used to configure Windows hosts correctly for ONTAP SAN storage and include support for Microsoft Multipath I/O configuration. During Host Utilities installation, multipathing support can be selected when multiple paths exist between the Windows server and the storage system. The package also configures required Windows registry and storage parameters so the host correctly handles ONTAP pathing behavior. Device Mapper Multipathing is primarily associated with Linux and is therefore inappropriate for Windows Server. An iSCSI target represents the storage endpoint and does not itself configure host multipathing. ANA is the NVMe multipathing mechanism and does not apply to an iSCSI LUN. Relevant SAN ONTAP topics include Windows Host Utilities, Microsoft MPIO, iSCSI host configuration, ALUA, redundant SAN paths, and Windows Server interoperability.
NEW QUESTION # 43
A customer has onboarded a new application that is based on SAN, and they need to present additional storage to an FCP SAN host.
Which two tasks must be performed on the storage cluster to present the storage? (Choose two.)
Answer: C,D
Explanation:
For an FCP SAN host, the storage object to present is a LUN, and host access is controlled by mapping that LUN to an initiator group. NetApp's SAN provisioning workflow creates the LUN, creates or selects an igroup containing the host's FC WWPNs, and then creates the LUN mapping. A namespace and subsystem are NVMe constructs, not the objects used to present conventional SCSI LUN storage over FCP. Therefore, creating a namespace or mapping storage to an NVMe subsystem would not satisfy the stated FCP requirement. The question assumes the FCP SVM and host connectivity already exist; the required storage- side actions are to provision the new LUN and map it to the appropriate igroup. Relevant SAN ONTAP topics are FCP provisioning, LUN creation, igroups, WWPN-based host access, and LUN mapping.
NEW QUESTION # 44
Which two NetApp features enable an administrator to limit the number of paths that a host sees to a LUN?
(Choose two.)
Answer: A,B
Explanation:
Selective LUN Mapping (SLM) and portsets are ONTAP mechanisms specifically used to control the number of paths visible between hosts and mapped LUNs. SLM automatically limits LUN access to paths through the node that owns the LUN and its HA partner, reducing unnecessary paths in larger clusters. A portset provides additional restriction by defining exactly which FCP or iSCSI LIFs an igroup can use to reach its mapped LUNs. NetApp notes that portsets can be combined with SLM when further path restriction is required.
ALUA identifies optimized and non-optimized paths but does not itself reduce the number of visible paths.
An igroup controls which initiators can access a LUN but does not independently restrict target LIF visibility.
Relevant topics include SLM, portsets, igroups, SAN multipathing, and path-count optimization.
NEW QUESTION # 45
A customer Is setting up a two-node cluster to serve (SCSI LUNs. How many interfaces should be created?
Answer: A
Explanation:
For a two-node cluster serving iSCSI LUNs, it is recommended to create two iSCSI LIFs per node. This configuration provides redundancy and load balancing, ensuring that each node can handle failover scenarios effectively and maintain high availability for the iSCSI connections.
For more details, see:
* NetApp Documentation on iSCSI LIF Configuration
NEW QUESTION # 46
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