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J201 Exam #3 UPDATED ACTUAL Exam Questions and CORRECT Answers
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J201 Exam #3 UPDATED ACTUAL Exam Questions and CORRECT Answers Computers - CORRECT ANSWER - machines that can receive, store and process data ARPANET - CORRECT ANSWER - Advanced Research Projects Agency Network; the first internet run by Department of Defense (1969

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  • February 9, 2025
  • 9
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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J201 Exam #3 UPDATED ACTUAL Exam
Questions and CORRECT Answers
Computers - CORRECT ANSWER - machines that can receive, store and process data



ARPANET - CORRECT ANSWER - Advanced Research Projects Agency Network; the first
internet run by Department of Defense (1969)


Packet Switching - CORRECT ANSWER - information that is broken up into packets and
travel in non-linear patterns in order to communicate efficiently (Paul Baran & Donald Davies)


Internet backbone - CORRECT ANSWER - The main pathway of high-speed communications
lines over which all Internet traffic flows through routers


Internet - CORRECT ANSWER - A group of computers and networks that are connected to
each other


LAN - CORRECT ANSWER - Local Area Network



Charley Kline (1969) - CORRECT ANSWER - first messager on the internet; sent "lo" which
was supposed to be "log" but system crashed before "g"


Ray Tomlinson (1971) - CORRECT ANSWER - invented email and @ symbol in email
addresses


TCP/IP - CORRECT ANSWER - Transmission Control Protocol/Internet Protocol (Bob Kahn
& Vint Cerf; 1974-1975 ARPANET); allows computers to talk to each other over other networks
regardless of operation system, application or network technology

, Bulletin Board Systems (1978) - CORRECT ANSWER - dial-up network created by home
hobbyists with local phone numbers/user groups; could post public messages, private mail and
distribute files


FidoNet (1984) - CORRECT ANSWER - allowed BBS to exchange mail and message each
other


Usenet - CORRECT ANSWER - User Network; electronic message board system developed
in 1980 as an alternative to ARPANET; users subscribe to "newsgroups" and communicate
through articles/posts (ex Reddit)


online services - CORRECT ANSWER - CompuServe (1979), Prodigy (1984)



America Online (1991) - CORRECT ANSWER - most well known, offered free floppy disks
to get customers


NSFNET (National Science Foundation Network; 1985-1995) - CORRECT ANSWER - high-
speed backbone connecting supercomputers; research networks prohibited any
commercial/personal activity, merit decommissioned NSFNET + turned the infrastructure over to
commercial use by telecommunications


WWW - CORRECT ANSWER - World Wide Web; sits on top of the internet; developed by
Tim Burners-Lee at CERN; became world's marketplace of ideas/goods


hypertext - CORRECT ANSWER - nonlinear organization/linking of images, text sounds and
video; theorized in a number of different ways, but most effectively implemented as the WWW
(only possible in new media)


First Webpage - CORRECT ANSWER - informational page created by CERN



.com boom - CORRECT ANSWER - web becomes target for economic activity, lots of
venture capital investments into companies based on promises of products/services

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