What are the features of using iCloud as a backup method for an iOS device?

A. Always encrypts backups.

B. Backups can be encrypted or un-encrypted.

C. Offers up to 200 TB of storage.
D. The customer can make backups over cellular networks.

Reference: https://www.pcworld.com/article/2154792/backups-via-icloud-or-itunes-the-crucial-differences-that-affect-your-data.html