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| Section | Objectives |
|---|---|
| Topic 1: ONTAP SAN solution assessment | - Prerequisites and inventory for the installation of all SAN components during planning - Configuration components using tools - Solution design and hardware provisioned to meet customer requirements or expectations - Environmental or physical considerations |
| Topic 2: ONTAP SAN Concepts | - Data protection concepts - Switch and/or host configuration concepts - Storage space utilization or management concepts - Storage controller configuration concepts |
| Topic 3: ONTAP SAN implementation and configuration | - Clustered storage systems and node configuration tasks - SVM configuration tasks - Data protection - Clustered storage system iSCSI configuration tasks - Clustered storage system NVMe configuration tasks - Clustered storage system FCP configuration tasks - Switches and host systems - Storage space utilization or management concepts |
| Topic 4: ONTAP SAN implementation testing and troubleshooting | - Testing tasks - Data migration - Troubleshooting tasks |
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NEW QUESTION # 47
A storage engineer zones a new FCP SVM to an SQL cluster.
Which two commands can be used to check connectivity? (Choose two.)
Answer: B,D
Explanation:
ONTAP provides dedicated FCP connectivity tests for validating communication between host initiators and FC LIFs. The vserver fcp ping-igroup show command performs a connectivity check between FCP initiators contained in an igroup and the FCP LIFs through which those initiators are configured to connect. The vserver fcp ping-initiator show command performs the equivalent validation for an individual FC initiator. These commands are therefore appropriate after zoning a new FCP SVM to SQL hosts. cluster ping-cluster validates ONTAP ' s internal cluster network and is unrelated to host-to-storage FC connectivity. network fcp zone show displays discovered FC zoning information but is not the specific FCP initiator connectivity test requested. Relevant SAN ONTAP topics include FC zoning validation, igroups, WWPN connectivity, FCP LIFs, and SAN troubleshooting commands.
NEW QUESTION # 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?
Answer: C
Explanation:
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.
NEW QUESTION # 49
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?
Answer: B
Explanation:
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.
NEW QUESTION # 50
An engineer has a 100 GB volume with the space guarantee set to volume and fractional reserve set to 100.
The Snapshot reserve is disabled. The volume contains two 20 GB LUNs, and each LUN has the space guarantee enabled and is 50% full. The engineer creates a Snapshot copy of the volume, and no data is written or modified after the Snapshot copy is taken.
What is the available space in the volume?
Answer: B
Explanation:
The correct available capacity is 20 GB. Both 20 GB LUNs are space-reserved, so ONTAP reserves their full provisioned capacity rather than only the 10 GB currently consumed in each LUN. The two LUN reservations therefore account for 40 GB. Because the volume uses a 100% fractional reserve and a Snapshot copy exists, ONTAP also reserves sufficient overwrite space for 100% turnover of the reserved objects. That represents another 40 GB. Consequently, 80 GB of the 100 GB volume is committed: 40 GB for the two space-reserved LUNs and 40 GB to guarantee their overwrites. This leaves 20 GB available. NetApp describes fractional reserve 100 as reserving 100% of the space necessary for overwrites of reserved objects. Relevant topics include LUN space reservation, fractional reserve, thick provisioning, and Snapshot overwrite guarantees.
NEW QUESTION # 51
A customer has recently installed a new NetApp AFF system and Cisco Nexus 9000 Series switches for their SAN workload. The administrator is tasked with configuring interface groups for port-based load balancing.
Which two commands are required? (Choose two.)
Answer: B,C
Explanation:
ONTAP interface groups support several traffic-distribution algorithms, including port, which distributes traffic using transport-layer TCP or UDP port information. Therefore, network port ifgrp create -distr-func port establishes the corresponding ONTAP-side distribution behavior. The connected Cisco Nexus infrastructure should use a compatible port-channel hashing method; NetApp validated architectures show port-channel load-balance src-dst l4port for Nexus switches so source and destination Layer-4 ports contribute to traffic distribution. This improves utilization across member links compared with algorithms using fewer flow attributes. The original V9.02 text contained the typographical string 14port; the correct command parameter is l4port, meaning Layer 4 port. Options C and D do not establish the requested port-based load- balancing algorithm. Relevant SAN ONTAP topics include interface groups, port distribution functions, link aggregation, and Nexus port-channel hashing.
NEW QUESTION # 52
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