네트워크 기본 이론_정리중
OSI 7TCP/IP데이터단위장비OSI 프로토콜TCP/IP 프로토콜7 LayerApplicationApplicationMessage DHCP,DNS,FTP,HTTP,SMTP,SNMP,TelnetDHCP,DNS,FTP,HTTP,IMAP,LDAP,BGP,RPC,RIP,SMTP,SNMP,SSH,Telnet,TLS/SSL6 LayerPresentationMiME,XDR5 LayerSessionNetBIOS,RTP4 LayerTransportTransportSegmentL4 라우터TCP,UDP,SPXTCP,UDPInternet3 LayerNetworkPacket라우터IP,ICMP,IGMP,IPX,AppleTalk,IPsecIP,ICMP,IGMP,IPsec2 LayerDatalinkNetworkInterfaceFr..