A(n) computer network is a collection of computers and other hardware devices connected together so that network users can share hardware, software, and data, as well as communicate with each other electronically.

answer; middle level managers;

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.

answer6-9 screws;