iCloud: iCloud storage and backup overview. When you sign up for iCloud, you automatically get 5 GB of free storage. Your iCloud storage is used for iOS device backup, iCloud Drive, iCloud Photo Library, app data and documents stored in iCloud, and iCloud Mail (your @icloud.com email account).If you run out of space, you can upgrade your storage. You can also remove stored items to make more space available.our iCloud storage is used for iOS device backup, iCloud Drive, iCloud Photo Library, app data and documents stored in iCloud, and iCloud Mail (your @icloud.com email account).
Tree Topology. Among all the Network Topologies we can derive that the Tree Topology is a combination of the bus and the Star Topology. The tree like structure allows you to have many servers on the network and you can branch out the network in many ways.
After understanding these two network configurations, we can understand tree topology better. In Tree Topology, the number of Star networks are connected using Bus. This main cable seems like a main stem of a tree, and other star networks as the branches.