네트워크

1.프로토콜(Protocol)

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2.OSI 7계층

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3.인캡슐레이션과 디캡슐레이션

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4.유니캐스트, 멀티캐스트, 브로드캐스트, 애니캐스트

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5.MAC 주소

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6.IP 주소

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7.TCP

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8.UDP

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9.NAT(Network Address Translation)

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10.DNS(Domain Name System)

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11.Cookie, Session, Token

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