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NS0-521 Dumps Full Questions - Exam Study Guide
Network Appliance NS0-521 Exam Syllabus Topics:
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NEW QUESTION # 34
An administrator needs to configure Foreign LUN Import on a NetApp HA pair to migrate over FCP LUNs from a third-party array while serving other LUNs.
Which two actions are required to complete this task? (Choose two.)
- A. Convert a single FC port on each controller to an FC initiator port.
- B. Convert all FC ports on each controller to an FC initiator port.
- C. Create zoning from the third-party array to the cluster.
- D. Reboot the third-party array to prepare for the LUN import.
Answer: A,C
Explanation:
To configure Foreign LUN Import (FLI) on a NetApp HA pair to migrate over FCP LUNs from a third-party array while serving other LUNs, the following actions are required:
* Create zoning from the third-party array to the cluster: Proper zoning ensures that the NetApp cluster can communicate with the third-party storage array.
* Convert a single FC port on each controller to an FC initiator port: This is necessary for the NetApp system to initiate the connection and access the LUNs on the third-party array.
For more information, refer to:
* NetApp Documentation on Foreign LUN Import
NEW QUESTION # 35
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?
- A. SVM
- B. LIF
- C. LUN
- D. Volume
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 # 36
A storage administrator has a NetApp AFF SAN cluster in a multitenant environment. Another user has requested access to perform only replication within a specific SVM to another cluster.
Which default role would be used in this scenario?
- A. readonly
- B. vsadmin-backup
- C. vsadmin-protocol
- D. backup
Answer: B
Explanation:
In a multitenant environment where a user needs access only to perform replication within a specific SVM to another cluster, the default rolevsadmin-backupis appropriate. This role provides thenecessary permissions to manage backup and replication tasks without granting broader administrative rights.
For more details, see:
* NetApp Documentation on User Roles
* NetApp Community Discussion on Roles
NEW QUESTION # 37
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. Check the broadcast domain settings.
- B. Ping from the host without fragmentation.
- C. Check the VMkernel adapter settings.
- D. Ping from the host with fragmentation.
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 # 38
A customer asks for help cloning one database LUN from a SnapMlrror destination volume for testing the data with a new application.
What command should the administrator use to clone the LUN?
- A. volume fileclonecreate
- B. lun wovestart
- C. volumemove start
- D. volumeclone create
Answer: D
Explanation:
To clone a LUN from a SnapMirror destination volume for testing purposes, the volume clone create command should be used. This command creates a FlexClone volume from the SnapMirror destination, making the LUN within it accessible for testing without disrupting the original volume.
For more details, refer to:
* NetApp Documentation on Volume Clone Create
* NetApp Community Discussion on LUN Cloning
NEW QUESTION # 39
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. Decrease the default queue depth on the host to eight.
- B. Configure Jumbo frames In the entire data path.
- C. Zone the host by using the host WWPNs.
- D. Connect host and storage ports to the same switches.
Answer: B,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 # 40
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 # 41
What Is modified when moving a LUN between different HA pairs in the same SVM to prevent loss of connectivity?
- A. LUN mapping
- B. port name
- C. reporting nodes
Cigroup
Answer: C
Explanation:
When moving a LUN between different HA pairs in the same SVM to prevent loss of connectivity, the reporting nodes must be modified. The reporting nodes configuration ensures that the initiator paths are properly updated to reflect the new physical location of the LUN. This prevents disruptions in connectivity by maintaining the correct pathing information for the host systems accessing the LUN.
For more details, refer to:
* NetApp Documentation on LUN Management
NEW QUESTION # 42
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. Crash cart location
- C. Rack units
- D. Cluster switch 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 # 43
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. FCP
- C. NFS
- D. FCoE
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 # 44
What should an administrator use to protect an Oracle RAC Automatic Storage Management (ASM) instance to ensure automated restores?
- A. CLI snapshots and clones
- B. Availability groups
- C. Consistency groups
- 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 # 45
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. Dedicated IP switches and ISL
- C. Shared FC switches
- D. Cedicated FC switches and ISL
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 # 46
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. vserver iscsi security create
- B. security certificate create
- C. security login create
- D. igroup initiator modify
Answer: A
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 # 47
An administrator runs the vserver nvme namespace convert-from-iun command on a NetApp ASA cluster to increase host performance.
What is modified by the convert command?
- A. Metadata
- B. FlexVol
- C. FlexClone
- D. LUN clone
Answer: A
Explanation:
The vserver nvme namespace convert-from-lun command in a NetApp ASA cluster is used to convert a LUN to an NVMe namespace to increase host performance. This process involves modifying themetadataof the storage object to make it compatible with the NVMe protocol, allowing for faster access and reduced latency
NEW QUESTION # 48
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?
- A. NetApp Host Utilities package
- B. Active IQ Config Advisor
- C. Hardware Universe
- D. Interoperability Matrix Tool
Answer: B
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 # 49
A customer has created an SVM for their SAN workloads. They now want to configure the SVM to use NVMe/FC. Which two steps are needed to accomplish this task? (Choose two.)
- A. Create the FC service.
- B. Create an NVMe/FC LIF.
- C. Create the NVMe service.
- D. Add the FC protocol.
Answer: B,D
Explanation:
To configure an SVM to use NVMe/FC, the following steps are necessary:
* Add the FC protocol: This step involves enabling the Fibre Channel protocol on the SVM, which is required to support NVMe over Fibre Channel.
* Create an NVMe/FC LIF: Logical Interfaces (LIFs) must be created to handle NVMe traffic over the Fibre Channel network. These LIFs enable the NVMe namespace access to the host systems.
These steps ensure that the SVM is correctly set up to use NVMe/FC, allowing for efficient and high-performance access to NVMe storage.
For more information, refer to:
* NetApp NVMe/FC Configuration
NEW QUESTION # 50
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