Nutanix Files can automatically rebalance data across FSVMs to optimize performance and capacity utilization. You can also manually trigger a rebalance from the Files Console Dashboard tab by clicking on Apply Recommendation. https://next.nutanix.com/community-blog-154/nutanix-files-4-0-new-features-performance-improvements-40544

According to Nutanix Support & Insights1, "To set the SSL certificate, do the following: ... Under SSL Certificates, click Replace SSL Certificate. Click Regenerate CSR. Copy and save the generated CSR text. Use this text to request a certificate from your CA." Therefore, the administrator should regenerate the CSR and download certificates from the internal CA to replace the self-signed certificate that Objects uses by default.
https://next.nutanix.com/installation-configuration-23/objects-user-guide-38847

This is because Objects can provide fast access to each item using S3-compatible API which can be easily searched using metadata tags or third-party tools3. Objects also natively supports disaster recovery using replication policies1. Objects can scale to petabytes of data using erasure coding which reduces storage overhead1. Users can be granted access after authentication using AD integration which simplifies identity management1. User data can be isolated but could be shared using buckets which are logical containers for objects that can have different policies applied1.

Protection snapshots are external snapshots that can be used to recover the file server cluster or individual files and folders1. They can be created through a protection domain schedule or via a user-initiated one-time snapshot of the protection domain1. By configuring protection snapshots on the share/export, the administrator can enable self-service restore for users to revert documents to previous versions2.
https://portal.nutanix.com/page/documents/solutions/details?targetId=TN-2041-Nutanix-Files%3ATN-2041-Nutanix-Files

According to Encryption-Files | Nutanix Community1, SMB3 message encryption is a feature that encrypts messages on the file server side and decrypts them on the client side. However, clients that do not support encryption (Linux, Mac, windows 7) cannot access a share with encryption enabled.
According to Nutanix Support & Insights2, Nutanix Files supports SMB3 encryption for SMB3 client-server traffic. This means that only clients that support SMB3 protocol can access encrypted shares.
Therefore, if the users are accessing the shares from Linux desktops, they will not be able to access them because Linux does not support SMB3 encryption.
https://portal.nutanix.com/page/documents/solutions/details?targetId=NVD-2151-Unified-Storage:client-server-traffic-encryption.html