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| Certification Vendor: | NetApp |
|---|---|
| Exam Name: | NetApp Certified Implementation Engineer - SAN ONTAP Exam (NS0-521) |
| Exam Number: | NS0-521 |
| Certificate Validity Period: | 3 years |
| Available Languages: | English |
| Related Certifications: | NetApp Certified Implementation Engineer - Data Protection NetApp Certified Data Administrator (NCDA) |
| Exam Duration: | 90 minutes |
| Real Exam Qty: | 60 |
| Exam Format: | Multiple Response, Multiple Choice |
| Exam Price: | USD 150-200 (varies by region) |
| Recommended Training: | NetApp Learning Services NetApp ONTAP SAN Administration Training |
| Exam Registration: | NetApp Certification Registration Pearson VUE Exam Delivery |
| Sample Questions: | Network Appliance NS0-521 Sample Questions |
| Exam Way: | Online proctored or onsite testing via authorized testing centers (e.g., Pearson VUE) |
| Pre Condition: | Recommended experience with NetApp ONTAP administration and SAN storage concepts; NetApp entry-level certification or equivalent knowledge is suggested but not strictly required. |
| Official Syllabus URL: | https://www.netapp.com/support-and-training/certification/ |
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NEW QUESTION # 114
A customer opens a support case for performance issues with an FC Oracle database after migrating from a NetApp AFF system to a NetApp All SAN Array (ASA) platform. Further investigation shows that the number of paths exceeds the recommendation for SAN deployment.
What are two ways to address this problem? (Choose two.)
Answer: C,D
Explanation:
When the number of paths exceeds the recommended configuration for SAN deployment, it can cause performance issues. To address this problem, you can:
* Use Selective LUN Mapping (SLM): SLM allows you to control which LIFs (Logical Interfaces) are used to access specific LUNs, thus reducing the number of paths and potentially improving performance by aligning with best practice configurations.
* Reconfigure the fabric switch zoning: Adjusting the zoning on the fabric switches can help manage and optimize the number of paths, ensuring that there are not too many paths that could lead to inefficient I/O operations and performance degradation.
For more details, refer to:
* NetApp SAN Host Configuration
* NetApp Best Practices for SAN
NEW QUESTION # 115
An engineer Is implementing a data migration scenario for a customer who has multiple FC LUNs across multiple third-party SAN arrays. The engineer wants to use Foreign LUN Import (FLI) for the migration.
What is a requirement on the destination NetApp ONTAP cluster for FLI?
Answer: C
Explanation:
When using Foreign LUN Import (FLI) for migrating LUNs from third-party SAN arrays to a NetApp ONTAP system, one of the requirements is to have at least one Fibre Channel (FC) port configured in target mode on the destination NetApp ONTAP cluster. This configuration is necessary to facilitate the migration process as the target mode port will accept and manage incoming data from the source SAN arrays.
For additional details, refer to:
* NetApp Documentation on FLI
NEW QUESTION # 116
A four-node NetApp ONTAP SAN cluster has been deployed. After installation, the engineer wants to verify cabling.
Which NetApp tool should the engineer use?
Answer: A
Explanation:
To verify the cabling of a four-node NetApp ONTAP SAN cluster after installation, the recommended tool is Active IQ Config Advisor. This tool provides detailed checks for proper configuration, including cabling verification, and helps ensure that best practices are followed for optimal performance and reliability.
For further details, see:
* NetApp Active IQ Config Advisor
NEW QUESTION # 117
An administrator configured an SVM with LUNs with two WWPNs per node. The administrator accidentally created a WWPN on node1that needs to move to node2. The SAN hosts use ALUA.
Based on this requirement, what must be taken offline to correct the situation?
Answer: B
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 # 118
A storage administrator has just completed an ISCSI implementation in a customer environment running VMware and needs to validate that the entire network path supports jumbo frames.
Which action should be taken?
Answer: D
Explanation:
To validate that the entire network path supports jumbo frames after an iSCSI implementation, you should perform a ping test from the host with fragmentation. This involves using the ping command with specific options to test jumbo frame support:
ping -M do -s 8972 <target_IP>
In this command:
* -M do ensures the packets are not fragmented.
* -s 8972 sets the packet size to 8972 bytes (9000 bytes MTU minus 28 bytes for the ICMP header).
By confirming that the large packets are successfully transmitted without fragmentation, you can validate that the network path, including switches and adapters, supports jumbo frames.
For more details, you can check:
* NetApp Documentation - iSCSI Configuration and Best Practices (NetApp) (NetApp).
NEW QUESTION # 119
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