What is arpananet?

Answer 1

precursor to the internet, ARPANET was a large wide-area networkcreated by the United States Defense Advanced Research Project Agency (ARPA). Established in 1969, ARPANET served as a testbed for newnetworking technologies, linking many universities and research centers. The first two nodes that formed the ARPANET were UCLA and the Stanford Research Institute, followed shortly thereafter by the University of Utah.