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| Section | Objectives |
|---|---|
| Topic 1: ONTAP SAN solution assessment | - Solution design and hardware provisioned to meet customer requirements or expectations - Configuration components using tools - Environmental or physical considerations - Prerequisites and inventory for the installation of all SAN components during planning |
| Topic 2: ONTAP SAN implementation and configuration | - Clustered storage system NVMe configuration tasks - Clustered storage systems and node configuration tasks - Clustered storage system iSCSI configuration tasks - Data protection - Clustered storage system FCP configuration tasks - Switches and host systems - SVM configuration tasks - Storage space utilization or management concepts |
| Topic 3: ONTAP SAN implementation testing and troubleshooting | - Testing tasks - Data migration - Troubleshooting tasks |
| Topic 4: ONTAP SAN Concepts | - Data protection concepts - Storage controller configuration concepts - Switch and host configuration concepts - Storage space utilization or management concepts |
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NEW QUESTION # 28
An engineer has just installed a new MetroCluster IP system for their SAN environment and wants to verify if all backend network connections are set up and working correctly.
Which two commands must the engineer run to verify the configuration? (Choose two.)
Answer: B,C
Explanation:
The engineer should first execute metrocluster check run to perform a current diagnostic validation of the MetroCluster configuration. NetApp documents that this command checks MetroCluster components and relationships and records any configuration errors. After the diagnostic completes, metrocluster check connection show displays the connection-specific results for MetroCluster IP nodes, including network connectivity checks and error information relating to ping, MTU, and storage connectivity. This directly addresses the requirement to verify backend network connections. metrocluster check cluster show focuses on cluster configuration results, while metrocluster check lif show focuses on LIF placement and related checks rather than the backend connections themselves. Relevant SAN ONTAP and MetroCluster topics include MetroCluster diagnostics, backend IP connectivity, configuration validation, inter-site connections, and post- installation verification.
NEW QUESTION # 29
A storage administrator recently implemented ISCSI SAN in a customer environment. Which two actions should be done to ensure the best performance? (Choose two.)
Answer: B,D
Explanation:
To ensure the best performance in an iSCSI SAN implementation:
* Connect host and storage ports to the same switches: This minimizes latency and maximizes the efficiency of data paths by ensuring direct connections within the same network segment.
* Configure Jumbo frames in the entire data path: Setting a larger Maximum Transmission Unit (MTU) size reduces the overhead for processing each packet, thus improving overall network performance.
Ensuring Jumbo frames are configured end-to-end in the data path is crucial for optimal performance.
For further details, check:
* NetApp Best Practices for iSCSI
* NetApp Community Discussion on iSCSI Performance
NEW QUESTION # 30
A customer is using a new two-node NetApp All SAN Array (ASA) configuration with SnapMirror active sync. To verify that everything is set up correctly, the customer is reviewing the number of paths on the ESXi hosts.
How many paths should the customer see?
Answer: D
Explanation:
Eight Active/Optimized paths and zero Active/Unoptimized paths is the correct result for the described ASA configuration. NetApp All SAN Array systems use symmetric active-active multipathing, under which all valid paths to a LUN are presented as active and optimized. NetApp's VMware guidance likewise states that ESXi recognizes ASA storage as symmetric and uses the active paths with round-robin multipathing. With SnapMirror active sync and the host connected through the intended redundant paths, the expected path presentation therefore does not contain the Active/Unoptimized paths characteristic of asymmetric access on non-ASA configurations. The key distinction is that ASA pathing is designed to avoid waiting for an ALUA transition after a controller failure. Relevant SAN ONTAP topics are ASA symmetric active-active, ALUA, ESXi multipathing, SnapMirror active sync, and redundant SAN paths.
NEW QUESTION # 31
What are two possible options for iSCSI authentication methods? (Choose two.)
Answer: B,C
Explanation:
ONTAP defines the supported iSCSI authentication types as CHAP, deny, and none. Therefore, among the options provided, CHAP and deny are the two valid choices. CHAP authenticates an initiator by using a username and password. ONTAP supports inbound CHAP, where the storage system authenticates the initiator, and optional outbound CHAP for mutual authentication. The deny authentication type explicitly prevents the specified initiator from accessing the SVM. Certificates and SAML are not available values for ONTAP iSCSI initiator authentication. The vserver iscsi security create command exposes the authentication type as {CHAP|deny|none}. Consequently, the V9.02 supplied answer A, B is incorrect and has been corrected to A, C. Relevant topics include iSCSI security, CHAP, mutual CHAP, initiator credentials, and authentication policies.
NEW QUESTION # 32
What Is a recommended setting for using the NetApp ONTAP LUN fractional reserve?
Answer: C
Explanation:
The recommended setting for using the NetApp ONTAP LUN fractional reserve is to set the space guarantee to " volume " . This setting ensures that the required space for overwrites in the volume is reserved, preventing potential write failures when snapshot copies are created. This setup helps in maintaining the performance and reliability of the storage system by ensuring there is always enough space allocated for the LUN.
For further details, you can refer to:
* NetApp Community Discussion on Fractional Reserve
* NetApp Documentation on Space Management
NEW QUESTION # 33
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