2025 Realistic NS0-521 Dumps Latest Network Appliance Practice Tests Dumps
NS0-521 Dumps PDF - NS0-521 Real Exam Questions Answers
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NEW QUESTION # 17
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?
- A. Ping from the host with fragmentation.
- B. Ping from the host without fragmentation.
- C. Check the VMkernel adapter settings.
- D. Check the broadcast domain settings.
Answer: A
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 # 18
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?
- A. security certificate create
- B. vserver iscsi security create
- C. security login create
- D. igroup initiator modify
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 # 19
After deleting a LUN, an administrator notices that the space does not show as available. What needs to be done to reclaim the space?
- A. UnmaptheLUN.
- B. Purge the recovery queue.
- C. Perform space reclamation.
- D. Delete the volume snapshots.
Answer: C
Explanation:
After deleting a LUN, if the space does not show as available, performing space reclamation is necessary.
Space reclamation involves identifying and reclaiming unused space on the storage system, making it available for new data. This process ensures that the deleted LUN's space is properly freed up and reflected in the available storage capacity.
For more details, refer to:
* NetApp Documentation on Space Reclamation
* NetApp Community on Free Space Reclamation
NEW QUESTION # 20
A customer wants to Implement a NetApp AFF system at a small remote site that has two ESXi servers that require SAN storage from the NetApp ONTAP based storage system. The servers will be directly connected, because the customer does not want to deploy any switches.
Which protocol should the customer use?
- A. iSCSI
- B. FCoE
- C. FCP
- D. NFS
Answer: A
Explanation:
For a small remote site with two ESXi servers requiring SAN storage and no switches, the recommended protocol isiSCSI. iSCSI allows for direct connectivity between the servers and the NetApp ONTAP storage system using standard Ethernet infrastructure, which is suitable for environments without Fibre Channel switches.
For more information, see:
* NetApp iSCSI Configuration Guide
NEW QUESTION # 21
An administrator needs to ensure that Snapshot copies of database files across multiple FCP LUNs are taken at the same point in time.
Which two configurations enable the administrator to achieve this? (Choose two.)
- A. Create each LUN within the same FlexGroup volume.
- B. Create a consistency group that uses FlexVol volumes.
- C. Create a consistency group that uses FlexGroup volumes.
- D. Create each LUN within the same FlexVol volume.
Answer: A,B
Explanation:
To ensure that Snapshot copies of database files across multiple FCP LUNs are taken at the same point in time, the following configurations can be used:
* Create a consistency group that uses FlexVol volumes: This setup ensures that snapshots of all volumes in the consistency group are taken simultaneously.
* Create each LUN within the same FlexGroup volume: This configuration allows for a unified snapshot across multiple LUNs within the FlexGroup, ensuring data consistency.
For more details, see:
* NetApp Documentation on Consistency Groups
* NetApp FlexGroup Overview
NEW QUESTION # 22
When using tagged VLANs on Cisco Nexus switches for NVMe over TCP, which two changes must be made to enable jumbo frames? (Choose two.)
- A. Modify the appropriate broadcast domain in NetApp ONTAP software to use an MTU of 9216.
- B. Modify the Cisco Nexus switches to use an MTU of 9216.
- C. Modify the appropriate broadcast domain in NetApp ONTAP software to use an MTU of 9000.
- D. Modify the Cisco Nexus switches to use an MTU of 9000.
Answer: A,B
Explanation:
For enabling jumbo frames on Cisco Nexus switches for NVMe over TCP with tagged VLANs, the following changes are required:
* Modify the Cisco Nexus switches to use an MTU of 9216: Setting the MTU to 9216 ensures that the network can handle jumbo frames, reducing the number of packets needed for large data transfers and thus improving performance.
* Modify the appropriate broadcast domain in NetApp ONTAP software to use an MTU of 9216:
This setting must match the network configuration to ensure end-to-end support for jumbo frames, which is essential for optimizing performance in NVMe over TCP environments.
For additional information, refer to:
* NetApp Documentation on NVMe over TCP
* Cisco Documentation on Jumbo Frames
NEW QUESTION # 23
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?
- A. Enable automatic resizing on the volume.
- B. Enable space reservation on the LUN.
- C. Disable volume snapshot autodelete.
- D. Unmap the LUN.
Answer: A
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 # 24
During maintenance of A NetApp AFF ONTAP cluster, which two steps are needed to move the SAN UFs to new nodes that are members of a portset? (Choose two.)
- A. Take the SAN LIF offline.
- B. Disable the SLM feature for the node that hosts the LIF.
- C. Disable the zoning of the LIF WWPN.
- D. Remove the LIF from the portset.
Answer: A,D
NEW QUESTION # 25
During expansion planning for a 10-node cluster running NetApp ONTAP 9.14.1 software, which uses SAN and NAS, how many additional nodes can be added to this cluster?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
Explanation:
NetApp ONTAP 9.14.1 supports up to a 16-node cluster for SAN and NAS configurations. Given a current
10-node cluster, you can add up to 6 additional nodes to reach the maximum supported node count. This expansion capability ensures scalability for growing storage needs while maintaining high availability and performance.
For more information, refer to:
* NetApp Storage Limits Documentation (NetApp)
NEW QUESTION # 26
A customer has a two-node NetApp AFF ASA cluster in an environment with a Cisco Fibre Channel SAN and Cisco UCS Servers. The customer wants to upgrade the UCS Server BIOS and the Cisco NX-OS system running on the switches.
Which NetApp resource should be consulted to check compatibility with the new versions?
- A. Interoperability Matrix Tool (IMT)
- B. Active IQ Config Advisor
- C. BlueXP digital advisor
- D. Hardware Universe
Answer: A
Explanation:
When planning to upgrade the UCS Server BIOS and Cisco NX-OS system running on the switches in a NetApp AFF ASA cluster environment, theInteroperability Matrix Tool (IMT)is the recommended resource to check compatibility with the new versions. The IMT provides detailed compatibility information for various hardware and software components, ensuring that the planned upgrades will not cause any interoperability issues.
For further details, refer to:
* NetApp Interoperability Matrix Tool
NEW QUESTION # 27
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.)
- A. Use Selective LUN Mapping.
- B. Have the database team change their backup and recovery schedules for the database.
- C. Reconfigure the fabric switch zoning.
- D. Reconfigure the ALUA settings.
Answer: A,C
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 # 28
An administrator is setting up a NetApp ONTAP AFF system for both NVMe/TCP and iSCSI. Which task is required for SAN configuration?
- A. Configure IPsec.
- B. Configure CHAP authentication.
- C. Configure LIFs.
- D. Configure DH-HMAC-CHAP authentication.
Answer: C
Explanation:
When setting up a NetApp ONTAP AFF system for both NVMe/TCP and iSCSI, a critical task required for SAN configuration is to configure Logical Interfaces (LIFs). LIFs are necessary for network connectivity and are used by both NVMe/TCP and iSCSI protocols to communicate between the storage system and the host.
The configuration of LIFs involves creating and managing these interfaces to ensure they are correctly mapped and available for use by the respective protocols. This step is essential for the SAN setup to function properly.
For more detailed steps on configuring LIFs, you can refer to NetApp's documentation:
* How to Configure NVMe/TCP with ONTAP (NetApp Community).
* SAN Configuration with ONTAP (NetApp).
NEW QUESTION # 29
A site survey has been conducted for an installation of a switchless HA pair with two NetApp DS224C shelves in the customer's already populated rack.
Which of the following two need to be verified to ensure a successful deployment? (Choose two.)
- A. Power connections
- B. Cluster switch location
- C. Rack units
- D. Crash cart location
Answer: A,C
Explanation:
For a successful deployment of a switchless HA pair with two NetApp DS224C shelves in an already populated rack, it is crucial to verify:
* Rack units: Ensure that there are enough rack units available to accommodate the new shelves and any associated equipment. Proper planning of space in the rack is essential for a neat and functional setup.
* Power connections: Verify that there are sufficient and appropriately rated power connections available. Ensuring proper power distribution and redundancy is critical for the reliability and uptime of the storage system.
For more details, refer to:
* NetApp Documentation on Rack Installation
* NetApp Community Discussion on Power Connections
NEW QUESTION # 30
What Is a recommended setting for using the NetApp ONTAP LUN fractional reserve?
- A. Space allocation is set to enable.
- B. Volume Snapshot copy automatic deletion is disabled.
- C. Space guarantee is set to volume.
- D. LUN space reservation is disabled.
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 # 31
During an iSCSI deployment, the customer requests a change of front-end network connections on the NetApp ONTAP cluster from twinax cables to fiber-optic cables.
Which two NetApp tools would an administrator use to verify the supported port speeds and transceivers?
(Choose two.)
- A. Interoperability Matrix Tool to determine supported transceivers
- B. Hardware Universe to determine supported transceivers
- C. Hardware Universe to determine supported port speeds
- D. Interoperability Matrix Tool to determine supported port speeds
Answer: A,B
Explanation:
During an iSCSI deployment, if a customer requests a change from twinax cables to fiber-optic cables, two NetApp tools can be used to verify the supported port speeds and transceivers:
* Hardware Universe (HWU): This tool is essential for determining the supported transceivers and port speeds for NetApp hardware. It provides detailed information on hardware compatibility, including supported transceivers, cables, and port speeds, which helps ensure that the selected components are compatible with the NetApp storage system.
* Interoperability Matrix Tool (IMT): The IMT provides comprehensive compatibility information between NetApp products and third-party components. It includes details on supported transceivers and port speeds, ensuring that any changes made to the network connections are supported and will function correctly in the given configuration.
For more detailed information, you can refer to the following resources:
* NetApp Hardware Universe (NetApp).
* NetApp Interoperability Matrix Tool (NetApp).
NEW QUESTION # 32
What are two benefits of implementing VLANs for NVMe/TCP configurations? (Choose two.)
- A. Increased security
- B. Reduced number of IPspaces
- C. Reduced number of broadcast domains
- D. Increased resiliency
Answer: A,D
Explanation:
Implementing VLANs for NVMe/TCP configurations provides several benefits, two of which are increased resiliency and increased security:
* Increased Resiliency: VLANs help segment the network traffic, reducing the risk of a single point of failure. By isolating NVMe/TCP traffic into specific VLANs, network issues can be contained within a VLAN, preventing them from affecting other parts of the network. This isolation ensures that disruptions are minimized and network resiliency is enhanced.
* Increased Security: VLANs provide an added layer of security by segregating traffic. This segregation ensures that NVMe/TCP traffic is isolated from other types of traffic, reducing the risk of unauthorized access or data breaches. VLANs help in enforcing stricter access controls and monitoring, thereby increasing the overall security of the network.
For more information on the benefits of VLANs in NVMe/TCP configurations, you can refer to NetApp's technical resources:
* Implementing and Configuring Modern SANs with NVMe-oF (NetApp).
* SAN Configuration Best Practices (NetApp Community).
NEW QUESTION # 33
What configuration must be applied for NVMe/FC?
- A. Configure igroup and IQN mapping.
- B. Enable NPV on all fabric switches.
- C. Create multiple initiator zones and multiple target zones.
- D. Enable NPIV on all fabric switches.
Answer: D
Explanation:
When configuring NVMe/FC (NVMe over Fibre Channel), it is necessary to enable N_Port ID Virtualization (NPIV) on all fabric switches. NPIV allows multiple Fibre Channel initiators to share a single physical Fibre Channel port, which is crucial for NVMe/FC environments where efficient utilization of available ports is needed.
NPIV support enables the creation of virtual ports, which can significantly optimize the configuration and management of Fibre Channel fabrics, thus supporting NVMe/FC operations.
For further details, you can refer to:
* NetApp Community - NVMe/FC Configuration (NetApp Community).
* NetApp Documentation - NVMe Overview (NetApp).
NEW QUESTION # 34
A healthcare customer wants to Implement an FC SAN solution consisting of a NetApp ONTAP system, Broadcom switches, and servers.
Which tool contains detailed blueprints and implementation references that can be used to design this solution?
- A. NetApp Active IQ Unified Manager
- B. NetApp Fusion
- C. NetApp Verified Architecture
- D. NetApp Active IQ Config Advisor
Answer: C
Explanation:
The correct tool for designing an FC SAN solution consisting of a NetApp ONTAP system, Broadcom switches, and servers is the "NetApp Verified Architecture" (NVA). The NetApp Verified Architecture provides comprehensive blueprints and detailed implementation references. These blueprints are thoroughly tested, prescriptive in nature, and designed to minimize deployment risks and accelerate time to market. They are specifically designed to help ensure that the architecture meets the high standards required for enterprise environments.
NVA documents include design guides, best practices, and detailed configuration steps, making them invaluable for planning and deploying complex solutions like the one described.
For more information, you can refer to the official NetApp documentation on NetApp Verified Architectures:
* NetApp Verified Architecture Program Summary
* NetApp Verified Architecture Overview
These resources provide detailed insights into the architecture, including technology requirements, deployment procedures, and additional references for further reading.
NEW QUESTION # 35
Click the Exhibit button.
A customer is testing a newly installed NetApp AFF A400 all-flash HA storage system. An SVM for FCP with a LUN on Node 1 has been configured, and a server has been connected as shown in the exhibit. For testing, the engineer plans to do a storage failover of Node 1.
After the failover, what is the expected status of the marked path?
- A. Offline
- B. Active/Nonoptimized
- C. Unavailable
- D. Active/Optimized
Answer: B
Explanation:
In the scenario where a storage failover is performed on Node 1 in an HA pair, the path marked in the exhibit would becomeActive/Nonoptimized. After the failover, the LIFs from Node 1 that were activeand optimized will switch to Node 2. Paths that were previously optimized will become nonoptimized because they are now served through the partner node.
For more details, see:
* NetApp Documentation on ALUA
NEW QUESTION # 36
What Is the storage construct that enables an NVMe client to store data in an SVM?
- A. FlexGroup volume
- B. Namespace
- C. Subsystem
- D. LUN
Answer: C
Explanation:
In an NVMe environment, the storage construct that enables an NVMe client to store data in an SVM (Storage Virtual Machine) is aSubsystem. A subsystem is a collection of one or more namespaces, which are used to store data. This abstraction allows for efficient management and scaling of NVMe storage within the ONTAP environment.
For further information, refer to:
* NetApp NVMe/FC Configuration (NetApp).
NEW QUESTION # 37
What connectivity Is required between NetApp ONTAP clusters in order to configure SnapMirror active sync across two data centers for FC?
- A. Cluster peering
- B. Cedicated FC switches and ISL
- C. Dedicated IP switches and ISL
- D. Shared FC switches
Answer: A
Explanation:
To configure SnapMirror active sync across two data centers using FC (Fibre Channel), the required connectivity between NetApp ONTAP clusters is cluster peering. Cluster peering involves establishing a trust relationship between the clusters, allowing them to replicate data seamlessly. This setup ensures that data synchronization and disaster recovery processes are effective and reliable.
For more detailed information, you can check:
* NetApp Documentation on SnapMirror and Cluster Peering
NEW QUESTION # 38
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