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Latest NS0-521 Exam Practice Questions

The practice questions for NS0-521 exam was last updated on 2025-06-01 .

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Question#1

What connectivity Is required between NetApp ONTAP clusters in order to configure SnapMirror active sync across two data centers for FC?

A. Cedicated FC switches and ISL

B. Shared FC switches

C. Cluster peering

D. Dedicated IP switches and ISL

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

Question#2

An administrator is planning a SAN implementation and needs to validate that the ESXI host and NetApp ONTAP software releases are supported.
Which tool is used to accomplish this?

A. NetApp Interoperabilty Matrix Tool

B. NetApp Active IQ Config Advisor

C. NetApp Hardware Universe

D. Broadcom SAN Health

Explanation:
To validate that the ESXi host and NetApp ONTAP software releases are supported, the NetApp Interoperability Matrix Tool (IMT) should be used. The IMT provides comprehensive compatibility information, ensuring that all components of the SAN environment will work together seamlessly.
For further details, refer to:
NetApp Interoperability Matrix Tool

Question#3

An administrator is configuring ISCSI on an SVM and requires that all network traffic Is encrypted.
What must be done to satisfy this requirement?

A. Configure aggregate encryption.

B. Configure IPsec.

C. Enable FIPS mode.

D. Use CHAP for iSCS

Explanation:
To ensure that all network traffic is encrypted for iSCSI on an SVM, configuring IPsec is required. IPsec (Internet Protocol Security) provides end-to-end encryption for IP traffic, ensuring that data transmitted over the network is secure.
For more details, refer to:
NetApp Documentation on Configuring IPsec

Question#4

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. UnmaptheLU

B. Delete the volume snapshots.

C. Purge the recovery queue.

D. Perform space reclamation.

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

Question#5

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 additional FC target ports.

C. Configure additional SAN LIFs.

D. Configure a higher queue depth on the target ports.

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)

Exam Code: NS0-521Q & A: 65 Q&AsUpdated: 2025-06-01

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