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| Section | Objectives |
|---|---|
| Topic 1: ONTAP SAN implementation and configuration | - Switches and host systems - Clustered storage system iSCSI configuration tasks - Clustered storage system NVMe configuration tasks - Clustered storage system FCP configuration tasks - SVM configuration tasks - Data protection - Storage space utilization or management concepts - Clustered storage systems and node configuration tasks |
| Topic 2: ONTAP SAN implementation testing and troubleshooting | - Troubleshooting tasks - Data migration - Testing tasks |
| Topic 3: ONTAP SAN solution assessment | - Solution design and hardware provisioned to meet customer requirements or expectations - Environmental or physical considerations - Configuration components using tools - Prerequisites and inventory for the installation of all SAN components during planning |
| Topic 4: ONTAP SAN Concepts | - Switch and/or host configuration concepts - Data protection concepts - Storage space utilization or management concepts - Storage controller configuration concepts |
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問題 #74
To protect against an on-site disaster, which NetApp protection method should an administrator use to provide a Zero RTO for applications in a SAN environment?
答案：A
解題說明：
SnapMirror active sync is the ONTAP data-protection technology designed to provide Zero Recovery Time Objective for business-critical SAN applications. It synchronously replicates protected application data between ONTAP clusters and uses host multipathing plus ONTAP Mediator-assisted automatic failover so that application access can continue when the primary storage system or site becomes unavailable. NetApp explicitly describes SnapMirror active sync as providing Zero RTO or Transparent Application Failover for SAN environments. SnapMirror asynchronous cannot provide Zero RTO because replication is not continuously synchronous and recovery requires a failover workflow. SnapMirror SVM and FlexClone LUNs also do not provide the same automatic, synchronous application failover behavior. Relevant SAN ONTAP topics are SnapMirror active sync, synchronous replication, consistency groups, ONTAP Mediator, automatic failover, and SAN business continuity.
問題 #75
Which two NetApp features provide synchronous data replication between two sites for SAN workloads with automatic failover in case of a site disaster? (Choose two.)
答案：C,D
解題說明：
For synchronous data replication between two sites with automatic failover in case of a site disaster for SAN workloads, the two NetApp features that provide these capabilities are SnapMirror Synchronous and MetroCluster IP.
* SnapMirror Synchronous: This feature provides volume-granular, synchronous replication with zero RPO (Recovery Point Objective), ensuring that data is mirrored in real-time to a secondary site. This setup supports automatic failover, maintaining data availability even during site failures
* MetroCluster IP: This solution provides synchronous replication and combines high availability and disaster recovery capabilities. MetroCluster IP uses IP networking to extend the distance over which replication can occur and supports automatic failover and failback, making it suitable for critical SAN workloads
問題 #76
An administrator creates a new SVM for SAN connectivity on their two-node cluster. The customer needs a redundant configuration at the node layer and fabric layer.
How many LIFs, at minimum, should the administrator create for the SVM?
答案：C
解題說明：
For a redundant two-node FC SAN configuration, NetApp requires two FC LIFs per node when redundancy must exist across both the node and fabric layers. Each node should have connectivity to both independent fabrics, normally through one FC LIF per fabric. With two controller nodes, this results in four SAN LIFs in total. Although ONTAP can technically support a minimum of one FC LIF per node for an SVM, that would provide only two LIFs and would not satisfy the stated requirement for redundant node-layer and fabric-layer connectivity. NetApp ' s FC SVM configuration guidance specifically states that two LIFs per node and two fabrics provide this redundancy. Relevant SAN ONTAP topics include FC SVM configuration, SAN LIF design, dual-fabric architecture, multipathing, node redundancy, and high availability.
問題 #77
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?
答案：D
解題說明：
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.
問題 #78
A storage engineer is required to provide NetApp site design documentation to show that the NetApp ONTAP SAN solution was delivered as intended.
Which NetApp tool can the storage engineer use to automate the creation of a difference report?
答案：C
解題說明：
Active IQ OneCollect is a NetApp tool designed to collect configuration and performance data from your storage environment, including SAN solutions. It can automate the creation of difference reports by capturing the current state of the system and comparing it against a baseline, thereby showing any changes or deviations from the intended design.
For further details, refer to:
* NetApp Active IQ OneCollect Documentation
問題 #79
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