01:198:110 Lecture 7: Compu 9-25

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Computer networks - a collection of computer equipment that"s connected with wires, optical fibers, or wireless links so the various separate devices (known as nodes) can. talk to one another and swap data (computerized information) Benefits of networks - reduces costs as a result of resource sharing. Hacker activities - hacker access: 1 - directly; 2 - via logical ports. Trojan horses appears useful but actually back-door in order to take control. Distributed dos comes from multiple pcs/harder to trace. Wan wide area network covers a much larger geographic area, such as a state, or a country. Lan local area network within a small area such as a building or a campus the internet is the largest wide area network additional classifications. Pan personal area network interconnection of your personal digital devices. Man metropolitan area network public high-speed network with range of about 50 miles; covers a town or a city.

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