Southwest Airlines Professional Communications Certification Practice Exam

Which of the following was the first Internet network?

1. ARPANET

2. WORLDNET

3. INTERNET 1.0

4. LAN

The correct answer is: ARPANET

The first Internet network was ARPANET, developed in the late 1960s. It was originally funded by the Advanced Research Projects Agency (ARPA) of the U.S. Department of Defense and served as a pioneering project that connected various universities and research institutions. ARPANET utilized packet-switching technology, allowing data to be transmitted in small blocks or packets, which was a revolutionary concept at the time. This network laid the groundwork for the development of modern networking protocols and ultimately led to the creation of the Internet as we know it today. The significance of ARPANET in the history of the Internet cannot be overstated, as it set the stage for future networking initiatives and the expansive connectivity that emerged in subsequent decades. The other options represent different concepts in networking, but they do not hold the historical importance or the foundational role in the development of the Internet that ARPANET does.