You have implemented a network where each device provides shared files with all other devices, what kind of network is it?

It is a Peer-to-peer type of network when you have implemented a network where each device provides shared files with all other devices.

So the answer is Peer-to-peer.

answer is:

a). backstage view

explanation:

backstage view is the area where files and data about them is managed— creating, saving, printing, sending to others, inspecting for hidden metadata or personal information, and setting options. so in this way we can add many things to our document swiftly.

i hope you get the idea.