Why do speech and video need special network handling? What would happen if every kind of traffic received the same treatment?

To what extent must components of a network, including routers and cabling, be safeguarded?

How do educational institutions often implement computer networks? Why is this kind so special compared to others?

The last one is RESIGN INACCURACIES this relates to the type of machine or the process used during printing; the printers have a low tolerance meaning that the final product or parts after printing looks different from the original design. It could be fixed but this will increase the time and cost of production.