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| Section | Objectives |
|---|---|
| Topic 1: ONTAP SAN solution assessment | - Configuration components using tools - Solution design and hardware provisioned to meet customer requirements or expectations - Prerequisites and inventory for the installation of all SAN components during planning - Environmental or physical considerations |
| Topic 2: ONTAP SAN Concepts | - Switch and/or host configuration concepts - Storage space utilization or management concepts - Data protection concepts - Storage controller configuration concepts |
| Topic 3: ONTAP SAN implementation and configuration | - SVM configuration tasks - Data protection - Storage space utilization or management concepts - Switches and host systems - Clustered storage systems and node configuration tasks - Clustered storage system iSCSI configuration tasks - Clustered storage system NVMe configuration tasks - Clustered storage system FCP configuration tasks |
| Topic 4: ONTAP SAN implementation testing and troubleshooting | - Data migration - Troubleshooting tasks - Testing tasks |
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NEW QUESTION # 35
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: B
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 # 36
A customer deploys an SVM for FCP with four LIFs across two fabrics. Equal client traffic is seen across all four LIFs.
In this scenario, how is the traffic across the active, unoptimized paths forwarded to the node hosting the LUN?
Answer: B
Explanation:
In a traditional AFF or FAS SAN configuration using ALUA, paths through the controller that owns the LUN are reported as Active/Optimized. Paths entering through another controller can be Active/Non-Optimized.
When I/O arrives through an active, non-optimized path, ONTAP must forward that I/O internally to the node servicing the LUN. This indirect data path uses the ONTAP cluster interconnect, represented in the choices as the cluster network, and therefore introduces additional latency compared with a direct optimized path. The external FC fabric transports traffic only as far as the target LIF; the HA interconnect is associated primarily with HA-pair storage failover functions, and the peering network is used for intercluster communications and replication. Relevant SAN ONTAP topics include ALUA, optimized versus non-optimized paths, cluster interconnect forwarding, SLM, and FCP multipathing.
NEW QUESTION # 37
An administrator creates a new volume and a LUN for an SAN-connected application that uses snapshots.
The application has fast-growing data that is constantly being populated and deleted afterwards.
Which option can be set to manage the space automatically?
Answer: C
Explanation:
To manage space automatically for a volume containing a LUN with fast-growing data, enabling automatic resizing on the volume is recommended. This feature allows the volume to grow dynamically as needed, accommodating the fluctuating data size without manual intervention. This helps in managing storage efficiently and ensures that the application has the required space.
For further details, refer to:
* NetApp Documentation on Volume Management
* NetApp Community Discussion on Automatic Resizing
NEW QUESTION # 38
On a two-node NetApp AFF ASA cluster, what is the recommended minimum number of paths for a SAN environment from the client host perspective?
Answer: D
Explanation:
In a two-node NetApp AFF ASA cluster, the recommended minimum number of paths for a SAN environment from the client host perspective is 4. This configuration ensures high availability and load balancing, which are critical for maintaining performance and resilience in a SAN environment. Each host should have at least two paths to each controller to achieve this setup.
For more detailed information, you can refer to:
* NetApp SAN Configuration
* NetApp All-Flash SAN Array Documentation
NEW QUESTION # 39
A customer Is setting up a four-node NetApp AFF cluster for use with NVMe/TCP and wants to use automatic host discovery.
Which protocol is used for the discovery of controllers?
Answer: A
Explanation:
For automatic host discovery in a four-node NetApp AFF cluster using NVMe/TCP, the protocol used is mDNS (Multicast DNS). mDNS allows for the discovery of controllers and other networked devices without the need for a centralized DNS server, simplifying the setup process in environments that support NVMe over TCP.
For further information, refer to:
* NetApp Documentation on NVMe/TCP
* NetApp Community on Host Discovery
NEW QUESTION # 40
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