CS/정보통신과 컴퓨터네트워크 (3) 썸네일형 리스트형 Chapter 4 Transmission Media ㅋ 너무졸릴땐 복습을ㅜㅜ Transmission medium is the physical path between transmitter and receiver 전송매체는 transmitter과 receiver사이의 물리적인 통로이다. • Guided media – guided along a solid medium // wired • Unguided media – atmosphere, space, water // wireless • Characteristics and quality of data transmission are determined by medium and signal 데이터전송의 특성은 전송매체와 signal에 의해 결정된다. - For guided, the medium is more impo.. Chapter 2_ Protocol Architecture, TCP/IP, OSI Reference Model The Need For Protocol Architecture To transfer data, several tasks must be performed: 1) The source must activate communications path or inform network of destination source 는 반드시 path를 설정하고 목적지에 알려야 한다. 2) The source must make sure that destination is prepared to receive data source 는 destination 에게 데이터를 받을 준비가 되어있는지 확인해야됨 3) The file transfer application on source must confirm file management .. chapter 1 PPT 01 _ over view Communication network : 통신망 , 노드들과 링크들의 집합으로 이루어진것 Computer communication: Communication network 에 의해 연결된 컴퓨터들간의 통신 Data communication - Deals with the transmission of signals in a reliable and efficient manner - 보통 signal transmission, transmission media, signal encoding, interfacing, data link control, and multiplexing 직접 연결(directly connected)된 두 디바이스(computer, printer .. ).. 이전 1 다음
