NS0-522問題集 & NS0-522赤本合格率

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Network Appliance NS0-522 Exam Syllabus Topics:

SectionObjectives
ONTAP SAN Concepts- Storage controller configuration concepts
- Switch and host configuration concepts
- Data protection concepts
- Storage space utilization and management concepts
ONTAP SAN Implementation Testing and Troubleshooting- Connectivity and performance troubleshooting
- Data migration tasks
- Implementation validation and testing tasks
ONTAP SAN Implementation and Configuration- Clustered storage systems and node configuration
- iSCSI configuration
- NVMe configuration
- Fibre Channel Protocol (FCP) configuration
- Switch, host, data protection and storage management
- Storage Virtual Machine (SVM) configuration
ONTAP SAN Solution Assessment- Prerequisites and inventory for SAN components
- Installation planning and configuration tools
- Solution design and hardware provisioning
- Environmental and physical considerations

>> NS0-522問題集 <<

NS0-522赤本合格率、NS0-522合格記

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Network Appliance NetApp Implementation Engineer - SAN ONTAP Exam 認定 NS0-522 試験問題 (Q48-Q53):

質問 # 48
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 # 49
Which two NetApp features enable an administrator to limit the number of paths that a host sees to a LUN?
(Choose two.)

正解：B、C

解説：
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.


質問 # 50
What is the maximum size for a LUN in NetApp ONTAP 9.14.1 software?

正解：C

解説：
In NetApp ONTAP 9.14.1 software, the maximum size for a LUN is 128TiB. This limit ensures that large datasets can be stored and managed efficiently within a single LUN, catering to the needs of high-capacity SAN environments


質問 # 51
An administrator runs the lun igroup show -insrar.ee command on a NetApp ONTAP SAN.

Based on the output, what is the initiator type?

正解：B

解説：
Based on the output of the command lun igroup show -instance, which lists the protocol as fcp and the initiator as server1.netapp.com, the initiator type is WWPN (World Wide Port Name). In Fibre Channel Protocol (FCP) environments, WWPNs are used to uniquely identify Fibre Channel devices. This contrasts with IQNs used in iSCSI, and NQNs used in NVMe over Fabrics.
For more details, refer to:
* NetApp Documentation on Initiators


質問 # 52
What Is a recommended setting for using the NetApp ONTAP LUN fractional reserve?

正解：D

解説：
The recommended setting for using the NetApp ONTAP LUN fractional reserve is to set the space guarantee to " volume " . This setting ensures that the required space for overwrites in the volume is reserved, preventing potential write failures when snapshot copies are created. This setup helps in maintaining the performance and reliability of the storage system by ensuring there is always enough space allocated for the LUN.
For further details, you can refer to:
* NetApp Community Discussion on Fractional Reserve
* NetApp Documentation on Space Management


質問 # 53
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