USENET is known to be the Internet system, that still exists today, was built during the early days of dial-up networking.
The Internet system called the Internet or the "the Net," is known to be a worldwide system that is composed of computer networks
Note that USENET is known to be the Internet system, that still exists today, was built during the early days of dial-up networking.
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What Internet system, that still exists today, was built during the early days of dial-up networking?
Broadband (not this)
World Wide Web
USENET
Bulletin Board System (not this)
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