1-데이터통신-overview-공개.pdf

2-데이터통신-layer-packet-signal-공개.pdf

3-데이터통신-analog-공개.pdf

3-데이터통신-analog-radio-example.pdf

4-데이터통신-1-소리.pdf

4-데이터통신-2-pied-piper.pdf

4-데이터통신-bitrate-bandwidth.pdf

7-데이터통신-mux.pdf

8-데이터통신-cable.pdf

9-데이터통신-switching.pdf

lab-router-virtualbox-공개.pdf

10-데이터통신-linklayer-ipaddr.pdf

11-데이터통신-arp-ppp (1).pdf

12-데이터통신-error-control.pdf

13-데이터통신-arq.pdf

13-Go-back-N ARQ.pdf

14-데이터통신-mac-csmacd.pdf

15-데이터통신-mac-csmaca.pdf

17-데이터통신-ethernet-lan.pdf