네트워크

1.OSI란

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2.VoIP란

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3.SIP와 SIP 서버란

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4.네트워크및보안 보충 : SMTP

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5.네트워크및보안 보충 : POP3, IMAP

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6.네트워크및보안 보충 : P2P application

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7.네트워크및보안 보충 : Socket Programming with UDP and TCP

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8.네트워크및보안 보충 ; virtual circuit network, datagram network

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10.컴퓨터 네트워크 : Routing in the Internet

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11.쿠키와 세션

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12.SOP와 CORS

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