Why did the creation of arpanet with this critical need?
scientists needed a way to work together to share their research and findings.
darpa wanted to launch its own satellite.
the us department of defense was interested in darpa.
scientists were not good at communicating.

Match the feature to the network architecture. expensive to set up useful for a small organization easy to track files has a central server inexpensive to set up difficult to track files useful for a large organization does not have a central server client- server network peer-to-peer network