네트워크 기초

1.User mode, Kernel mode

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2.OSI 7 layer 식별자

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3.Host란?

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4.About Switch...

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5.NIC(Network Interface Controller)

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6.L2 Access Switch

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7.LAN, WAN, Broadcast

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8.IPv4

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9.L3 Packet

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10.Encapsulation, Decapsulation

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11.패킷의 생성,전달, 소멸

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12.Layer별 데이터 단위

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