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| Section | Objectives |
|---|---|
| ONTAP SAN Concepts | - Storage space utilization or management concepts - Data protection concepts - Storage controller configuration concepts - Switch and/or host configuration concepts |
| ONTAP SAN solution assessment | - Configuration components using tools - 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 |
| ONTAP SAN implementation and configuration | - Switches and host systems - Storage space utilization or management concepts - Clustered storage system iSCSI configuration tasks - SVM configuration tasks - Data protection - Clustered storage system FCP configuration tasks - Clustered storage system NVMe configuration tasks - Clustered storage systems and node configuration tasks |
| ONTAP SAN implementation testing and troubleshooting | - Data migration - Troubleshooting tasks - Testing tasks |
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NEW QUESTION # 36
An administrator configured an SVM with LUNs with two WWPNs per node. The administrator accidentally created a WWPN on node1 that needs to move to node2. The SAN hosts use ALUA.
Based on this requirement, what must be taken offline to correct the situation?
Answer: C
Explanation:
To move a WWPN from node1 to node2 in a NetApp ONTAP SAN environment where ALUA is used, you must take the Logical Interface (LIF) offline. Modifying LIFs involves changing their assignment between nodes, which requires them to be temporarily offline. This ensures that the path states are correctly updated without causing disruption to the SAN hosts.
For more details, see:
* NetApp Community on Moving LIFs
* NetApp Documentation on SAN LIFs
NEW QUESTION # 37
An administrator is troubleshooting a SAN network issue where the NVMe/TCP LIF keeps disconnecting.
Which command helps the administrator investigate this issue?
Answer: C
Explanation:
The network port reachability show command is the best troubleshooting choice because it validates Layer-2 reachability for ONTAP Ethernet ports against their expected broadcast domains. NetApp documents that this command reports expected reachability, actual reachability, and conditions such as misconfigured reachability, making it directly useful when an NVMe/TCP LIF repeatedly disconnects because of an underlying network-path or VLAN/broadcast-domain problem. ipspace show only displays IPspace configuration, and vserver nvme subsystem show focuses on NVMe subsystem objects rather than Ethernet path health. cluster ping-cluster tests the cluster network and is not the correct diagnostic for a client-facing NVMe/TCP data LIF. Relevant SAN ONTAP topics are NVMe/TCP networking, Ethernet port reachability, broadcast domains, VLAN connectivity, and SAN network troubleshooting.
NEW QUESTION # 38
After deleting a LUN, an administrator notices that the space does not show as available. What needs to be done to reclaim the space?
Answer: A
Explanation:
After deleting a LUN, if the space does not show as available, performing space reclamation is necessary.
Space reclamation involves identifying and reclaiming unused space on the storage system, making it available for new data. This process ensures that the deleted LUN ' s space is properly freed up and reflected in the available storage capacity.
For more details, refer to:
* NetApp Documentation on Space Reclamation
* NetApp Community on Free Space Reclamation
NEW QUESTION # 39
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: D
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 # 40
A customer wants to enable CHAP authentication on their iSCSI sessions.
Which command should be used to set up the appropriate security policies and passwords?
Answer: D
Explanation:
To enable CHAP (Challenge-Handshake Authentication Protocol) authentication on iSCSI sessions, the command vserver iscsi security create should be used. This command sets up the necessary security policies and passwords required for CHAP authentication, ensuring secure access to iSCSI targets.
For more details, refer to:
* NetApp Documentation on iSCSI Configuration ( NetApp ).
NEW QUESTION # 41
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