An iCloud backup typically takes between 30 minutes and 2 hours, depending on file quantity, internet speed, and device performance.

SFTP is fully encrypted and secure, while FTPS adds an encryption layer through SSL or TLS. SFTP is compatible with firewalls, but it cannot be used for logging because its data transmissions are in binary format. The FTPS file transmissions are many times faster than SFTP.

There are three types of backup, Full, Incremental, and Differential. Each uses different amounts of storage, has separate backup and restore times, and varies in cost.