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| Section | Objectives |
|---|---|
| ONTAP SAN Concepts | - Storage space utilization or management concepts - Storage controller configuration concepts - Switch and host configuration concepts - Data protection concepts |
| ONTAP SAN solution assessment | - 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 - Configuration components using tools |
| ONTAP SAN implementation and configuration | - Data protection - Clustered storage system NVMe configuration tasks - Storage space utilization or management concepts - Clustered storage systems and node configuration tasks - SVM configuration tasks - Clustered storage system iSCSI configuration tasks - Switches and host systems - Clustered storage system FCP configuration tasks |
| ONTAP SAN implementation testing and troubleshooting | - Testing tasks - Troubleshooting tasks - Data migration |
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NEW QUESTION # 17
Which two NetApp features provide synchronous data replication between two sites for SAN workloads with automatic failover in case of a site disaster? (Choose two.)
Answer: C,D
Explanation:
For synchronous data replication between two sites with automatic failover in case of a site disaster for SAN workloads, the two NetApp features that provide these capabilities are SnapMirror Synchronous and MetroCluster IP.
* SnapMirror Synchronous: This feature provides volume-granular, synchronous replication with zero RPO (Recovery Point Objective), ensuring that data is mirrored in real-time to a secondary site. This setup supports automatic failover, maintaining data availability even during site failures
* MetroCluster IP: This solution provides synchronous replication and combines high availability and disaster recovery capabilities. MetroCluster IP uses IP networking to extend the distance over which replication can occur and supports automatic failover and failback, making it suitable for critical SAN workloads
NEW QUESTION # 18
A customer is deploying an IP-based SAN on a NetApp AFF All SAN Array (ASA) system. A solution should be used that will increase security and improve reliability.
What is a network best practice for IP-based SAN when implementing AFF ASA infrastructure solutions?
Answer: B
Explanation:
Separate VLANs are a recommended design practice for IP-based SAN traffic because they provide logical network segmentation and enable independent broadcast domains. ONTAP VLANs can separate storage traffic by function or network path even when the underlying physical switching infrastructure is shared. For SAN redundancy, NetApp also recommends separate Ethernet networks and multiple paths so that failure of one network does not eliminate storage connectivity. VLAN separation additionally limits unnecessary broadcast-domain exposure and provides clearer operational boundaries for iSCSI or NVMe/TCP traffic. An MTU of 1500 is supported but does not inherently provide the requested security and reliability improvement, while simply using routed networking is not the relevant SAN best practice. Therefore, separate VLANs provide the appropriate segmentation and path-isolation characteristics for an AFF ASA IP SAN design.
NEW QUESTION # 19
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 # 20
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: C
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 # 21
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: B
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 # 22
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