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| Section | Objectives |
|---|---|
| Topic 1: ONTAP SAN implementation and configuration | - Clustered storage system NVMe configuration tasks - Clustered storage system iSCSI configuration tasks - SVM configuration tasks - Data protection - Clustered storage systems and node configuration tasks - Storage space utilization or management concepts - Clustered storage system FCP configuration tasks - Switches and host systems |
| Topic 2: ONTAP SAN solution assessment | - Prerequisites and inventory for the installation of all SAN components during planning - Solution design and hardware provisioned to meet customer requirements or expectations - Environmental or physical considerations - Configuration components using tools |
| Topic 3: ONTAP SAN implementation testing and troubleshooting | - Data migration - Troubleshooting tasks - Testing tasks |
| Topic 4: ONTAP SAN Concepts | - Switch and/or host configuration concepts - Storage space utilization or management concepts - Data protection concepts - Storage controller configuration concepts |
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44. Frage
A storage administrator wants to increase security and optimize performance in a recently implemented SAN deployment.
What should the storage administrator configure to ensure initiator restriction to certain LIFs?
Antwort: D
Begründung:
To increase security and optimize performance in a SAN deployment, configuring an access list is essential.
Access lists restrict initiator access to specific LIFs, ensuring that only authorized hosts can connect to the storage system. This helps in enhancing security by preventing unauthorized access and optimizes performance by controlling and managing the paths used for storage access.
For additional details, you can refer to:
* NetApp SAN Administration Guide
45. Frage
A customer Is deploying a new 8-node NetApp ONTAP cluster for their SAN workloads using FCP, NVMe
/FC, and NVMe/TCP.
In this scenario, which statement is true?
Antwort: C
Begründung:
In a NetApp ONTAP cluster using FCP, NVMe/FC, and NVMe/TCP, it is important to understand that NVMe
/FC and FCP require different FC ports. This separation is necessary because the protocols, while both running over Fibre Channel, have different configurations and operational characteristics.
For more information, refer to:
* NetApp Documentation on NVMe Configuration
* NetApp Best Practices for SAN
46. Frage
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?
Antwort: B
Begründung:
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.
47. Frage
A SAN administrator has a new NetApp ONTAP cluster that is configured with iSCSI LUNs. The iSCSI LIFs are configured on interface groups with a 1500 MTU. The server and network administrators have a maintenance window scheduled to modify the server NIC and iSCSI switch VLANs to use jumbo frames.
Based on this scenario, which command enables jumbo frames?
Antwort: D
Begründung:
ONTAP manages the MTU consistently across ports belonging to the same broadcast domain. To transition the storage network from the standard 1500-byte MTU to jumbo frames, the administrator modifies the MTU of the appropriate broadcast domain. The applicable operation is network port broadcast-domain modify, represented by broadcast-domain modify in the answer choices. NetApp documents 9000 bytes as a typical jumbo-frame MTU and notes that changing a broadcast-domain MTU changes the MTU for all ports contained in that domain. The surrounding Ethernet path-including host NICs and switch interfaces-must also support the configured MTU end to end. Changing an individual LIF, subnet, or unrelated port property does not provide the correct broadcast-domain-wide MTU configuration. Therefore, option C is the correct ONTAP configuration operation.
48. Frage
When data is written to a LUN in a four-node MetroCluster configuration, what feature is used to replicate data to the remote site?
Antwort: A
Begründung:
MetroCluster uses SyncMirror technology to synchronously mirror data between storage pools at the two MetroCluster sites. Mirrored aggregates contain local and remote plexes, and writes are replicated synchronously so that a current copy of the data exists at the remote site. This storage-level mirroring is fundamental to MetroCluster ' s ability to maintain data availability during site failures and perform switchover operations. SnapMirror active sync is a separate ONTAP technology that provides synchronous application-level protection between peered clusters. SnapMirror Synchronous is likewise a replication technology but is not the underlying aggregate-mirroring mechanism used by MetroCluster. MPIO operates on the host to manage multiple SAN paths and performs no data replication. Therefore, data written to a LUN residing on a mirrored MetroCluster aggregate is replicated to the remote plex through SyncMirror.
49. Frage
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