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Which project is historically recognized as the world’s first operational computer network ________?

0
A) ARPANET
B) Intranet
C) Ethernet
D) NSFNET

Correct Answer: A) ARPANET

The Advanced Research Projects Agency Network (ARPANET), which was originally commissioned and heavily funded by the United States Department of Defense during the height of the tense Cold War era, is universally acknowledged by historians as the fundamental conceptual and technical precursor to the modern, decentralized global Internet. Launched officially in the late 1960s, it successfully pioneered the deeply revolutionary computer science concept of 'packet switching', a highly resilient data transmission method consisting of breaking large blocks of digital data into small, manageable, independently routed chunks that could dynamically navigate across a decentralized, interconnected network infrastructure without relying on a single, vulnerable central node. By successfully and permanently connecting massive research mainframes at UCLA, Stanford Research Institute, UC Santa Barbara, and the University of Utah in 1969, ARPANET definitively proved to the world that complex, long-distance remote digital communication was not only technically possible but highly practical and robust.

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