100% Passing Guarantee - Brilliant NS0-521 Exam Questions PDF [Dec-2024]
NS0-521 Dumps 2024 - NewNetwork Appliance NS0-521 Exam Questions
Network Appliance NS0-521 Exam Syllabus Topics:
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NEW QUESTION # 24
A storage administrator recently implemented ISCSI SAN in a customer environment. Which two actions should be done to ensure the best performance? (Choose two.)
- A. Zone the host by using the host WWPNs.
- B. Decrease the default queue depth on the host to eight.
- C. Connect host and storage ports to the same switches.
- D. Configure Jumbo frames In the entire data path.
Answer: C,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 # 25
What is the minimum number of rack units that are required on each site for a NetApp AFF All San Array (ASA) A800 MetroCluster IP configuration with 72 disks per site and Cisco N9K-C9336C-FX2 backend switches?
- A. 4 RU
- B. 8 RU
- C. 16 RU
- D. 12 RU
Answer: C
Explanation:
For a NetApp AFF All SAN Array (ASA) A800 MetroCluster IP configuration with 72 disks per site and Cisco N9K-C9336C-FX2 backend switches, the minimum number of rack units required on each site is 16 RU. This includes space for the controllers, disk shelves, and the necessary network switches. This configuration ensures that all components are properly accommodated and operational within the specified rack space.
For detailed information on the rack unit requirements and MetroCluster IP configurations, refer to:
* NetApp Documentation on MetroCluster IP
* MetroCluster IP Solution Architecture
NEW QUESTION # 26
What configuration must be applied for NVMe/FC?
- A. Configure igroup and IQN mapping.
- B. Create multiple initiator zones and multiple target zones.
- C. Enable NPV on all fabric switches.
- 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 # 27
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. Hardware Universe to determine supported transceivers
- B. Interoperability Matrix Tool to determine supported port speeds
- C. Hardware Universe to determine supported port speeds
- D. Interoperability Matrix Tool to determine supported transceivers
Answer: A,D
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 # 28
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. Crash cart location
- B. Power connections
- C. Cluster switch location
- D. Rack units
Answer: B,D
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 # 29
Which NetApp feature presents LUNs only within the HA pair?
- A. Subsystem
- B. Consistency group
- C. Selective LUN Mapping
- D. igroup
Answer: C
Explanation:
Selective LUN Mapping (SLM) is the feature that presents LUNs only within the HA pair. SLM allows administrators to control which LUNs are visible to which hosts, ensuring that LUNs are only accessible through the designated HA pair, thus improving security and manageability.
For more information, see:
* NetApp Documentation on Selective LUN Mapping
* NetApp Community on LUN Mapping
NEW QUESTION # 30
Acustomer currently operates a legacy iSCSI storage environment that is connected to network switches with several Windows hosts. As part of an upcoming NetApp ONTAP software upgrade, an engineer needs to verify compatibility.
Which two NetApp tools would help the engineer assess the environment? (Choose two.)
- A. Hardware Universe
- B. Interoperability Matrix Tool
- C. BlueXP classification
- D. Active IQ OneCollect
Answer: B,D
Explanation:
To verify compatibility in an iSCSI storage environment before a NetApp ONTAP software upgrade, the following tools are recommended:
* Interoperability Matrix Tool (IMT): This tool helps verify the compatibility of different components, including network switches, hosts, and storage systems, ensuring that the planned upgrade will be supported.
* Active IQ OneCollect: This tool collects comprehensive configuration and performance data from the storage environment, which can be used to assess the current setup and identify any compatibility issues before the upgrade.
For further details, refer to:
* NetApp Interoperability Matrix Tool
* Active IQ OneCollect Documentation
NEW QUESTION # 31
An administrator upgraded their NetApp ONTAP software from release 9.10.1 to 9.13.1 on a NetApp All SAN Array (ASA) cluster and is creating a new iSCSI SVM.
Which automatic feature can be used with iSCSI?
- A. LIF failover
- B. igroup creation
- C. CHAP authentication
- D. LUN mapping
Answer: A
Explanation:
In NetApp ONTAP 9.13.1, one of the automatic features that can be used with iSCSI isLIF failover. This feature ensures that in the event of a network failure or a node issue, the Logical Interface (LIF) will automatically fail over to another available port, maintaining connectivity and minimizing disruption to iSCSI traffic.
For more information, refer to:
* NetApp ONTAP 9.13.1 Features
NEW QUESTION # 32
A customer has a two-node NetApp ONTAP cluster that Is hosting FC LUNs for 64 SAN hosts. An administrator is tasked to add 40 more hosts to the environment.
What two actions would the administrator need to take to avoid potential performance problems with the environment? (Choose two.)
- A. Configure additional FC ports on existing hosts.
- B. Configure a higher queue depth on the target ports.
- C. Configure additional FC target ports.
- D. Configure additional SAN LIFs.
Answer: C,D
Explanation:
When adding 40 more hosts to a two-node NetApp ONTAP cluster that is already hosting 64 SAN hosts, the following actions are necessary to avoid potential performance problems:
* Configure additional FC target ports: Increasing the number of Fibre Channel (FC) target ports on the storage nodes will help distribute the I/O load more evenly, reducing the risk of bottlenecks.
* Configure additional SAN LIFs: Adding more SAN Logical Interfaces (LIFs) will ensure that the increased number of hosts can connect efficiently, improving load balancing and path management.
These actions help maintain optimal performance and prevent congestion in the SAN environment.
For more detailed guidance, refer to:
* NetApp SAN Host Configuration Overview
* NetApp Best Practices for SAN (NetApp) (NetApp)
NEW QUESTION # 33
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?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
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 # 34
What is the maximum size for a LUN in NetApp ONTAP 9.14.1 software?
- A. 64TiB
- B. 16TiB
- C. 128TiB
- D. 300TiB
Answer: C
Explanation:
In NetApp ONTAP 9.14.1 software, the maximum size for a LUN is128TiB. This limit ensures that large datasets can be stored and managed efficiently within a single LUN, catering to the needs of high-capacity SAN environments
NEW QUESTION # 35
A customer Is setting up a two-node cluster to serve (SCSI LUNs. How many interfaces should be created?
- A. One iSCSI LIF per node
- B. Two iSCSI LIFs per node
- C. Two ISCSI LIFs per SVM
- D. One ISCSI LIF per SVM
Answer: B
Explanation:
For a two-node cluster serving iSCSI LUNs, it is recommended to createtwo iSCSI LIFs per node. This configuration provides redundancy and load balancing, ensuring that each node can handle failover scenarios effectively and maintain high availability for the iSCSI connections.
For more details, see:
* NetApp Documentation on iSCSI LIF Configuration
NEW QUESTION # 36
What connectivity Is required between NetApp ONTAP clusters in order to configure SnapMirror active sync across two data centers for FC?
- A. Shared FC switches
- B. Dedicated IP switches and ISL
- C. Cluster peering
- D. Cedicated FC switches and ISL
Answer: C
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 # 37
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?
- A. A valid SnapMirror license
- B. At least one FC port in target mode
- C. A valid NetApp XCP license
- D. At least one FC port in initiator mode
Answer: B
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 # 38
What Is a recommended setting for using the NetApp ONTAP LUN fractional reserve?
- A. Space guarantee is set to volume.
- B. Volume Snapshot copy automatic deletion is disabled.
- C. Space allocation is set to enable.
- D. LUN space reservation is disabled.
Answer: A
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 # 39
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 a consistency group that uses FlexGroup volumes.
- B. Create a consistency group that uses FlexVol volumes.
- C. Create each LUN within the same FlexGroup volume.
- D. Create each LUN within the same FlexVol volume.
Answer: B,C
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 # 40
What are two benefits of implementing VLANs for NVMe/TCP configurations? (Choose two.)
- A. Increased security
- B. Reduced number of broadcast domains
- C. Reduced number of IPspaces
- 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 # 41
What should an administrator use to protect an Oracle RAC Automatic Storage Management (ASM) instance to ensure automated restores?
- A. Consistency groups
- B. Availability groups
- C. CLI snapshots and clones
- D. NetApp SnapCenter plugin
Answer: D
Explanation:
To protect an Oracle RAC Automatic Storage Management (ASM) instance and ensure automated restores, the recommended tool is theNetApp SnapCenter plugin. SnapCenter provides comprehensive backup, restore, and clone capabilities for Oracle databases, including those using ASM. It integrates tightly with Oracle RAC environments and automates the entire data protection process, ensuring that backups are consistent and restores are efficient and reliable.
For more details, refer to:
* NetApp Documentation on SnapCenter for Oracle (NetApp).
* NetApp TR-4964: Oracle Database Backup, Restore, and Clone (NetApp).
NEW QUESTION # 42
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 # 43
An administrator runs the lun igroup show -insrar.ee command on a NetApp ONTAP SAN.
Based on the output, what is the initiator type?
- A. WWPN
- B. WWNN
- C. NQN
- D. IQN
Answer: A
Explanation:
Based on the output of the command lun igroup show -instance, which lists the protocol as fcp and the initiator as server1.netapp.com, the initiator type is WWPN (World Wide Port Name). In Fibre Channel Protocol (FCP) environments, WWPNs are used to uniquely identify Fibre Channel devices. This contrasts with IQNs used in iSCSI, and NQNs used in NVMe over Fabrics.
For more details, refer to:
* NetApp Documentation on Initiators
NEW QUESTION # 44
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