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| Section | Objectives |
|---|---|
| Topic 1: ONTAP SAN implementation testing and troubleshooting | - Data migration - Testing tasks - Troubleshooting tasks |
| Topic 2: ONTAP SAN Concepts | - Storage controller configuration concepts - Switch and host configuration concepts - Storage space utilization or management concepts - Data protection concepts |
| Topic 3: ONTAP SAN implementation and configuration | - Switches and host systems - Data protection - Clustered storage systems and node configuration tasks - SVM configuration tasks - Clustered storage system FCP configuration tasks - Clustered storage system iSCSI configuration tasks - Storage space utilization or management concepts - Clustered storage system NVMe configuration tasks |
| Topic 4: ONTAP SAN solution assessment | - Environmental or physical considerations - 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 |
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NEW QUESTION # 17
An administrator connects to a LUN from Node A to a host in a redundant pathing configuration.
How does the administrator show that the LUN delivers data if a node disruption occurs?
Answer: C
Explanation:
A controlled storage takeover and giveback is the appropriate method for validating HA behavior without deliberately creating uncontrolled infrastructure failures. NetApp recommends testing an HA pair after configuration to verify uninterrupted access to storage during takeover and giveback. During takeover, the surviving HA partner assumes responsibility for the affected node ' s storage and continues serving its data.
Host multipathing redirects SAN I/O through surviving paths. Giveback subsequently returns storage ownership and processing to the home node. Pulling cluster-interconnect cables, removing rack power, or disabling backend connectivity introduces unnecessary failure conditions and can affect more infrastructure than required for a controlled validation. Therefore, performing takeover and giveback on the nodes verifies both storage-controller failover and the host ' s redundant SAN path configuration.
NEW QUESTION # 18
An administrator has a two-node NetApp ONTAP cluster that is hosting FC LUNs for 90 SAN hosts. The hosts are experiencing occasional performance problems and receiving QFULL responses from the cluster nodes.
Which action would resolve this issue?
Answer: A
Explanation:
A QFULL response indicates that the storage controller's FC target-port command queue has reached its supported capacity and cannot accept additional SCSI commands. With 90 hosts generating I/O, excessive fan- in to the existing target ports can exhaust available queue resources. Configuring additional FC target ports allows host connections and queued commands to be distributed across more storage-side target resources, reducing pressure on each individual target port. Increasing initiator queue depth would worsen the condition because hosts could submit more outstanding commands. Similarly, increasing target-port queue depth is not the appropriate administrator-controlled remedy presented here because the physical target adapter has defined queue limits. NetApp recommends planning host fan-in carefully to avoid QFULL conditions.
Relevant topics include FC queue depth, target-port fan-in, QFULL responses, SAN scalability, and FC target- port design
NEW QUESTION # 19
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: A
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 # 20
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: A
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 # 21
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?
Answer: C
Explanation:
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
NEW QUESTION # 22
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