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µÚ1Õ  ÍøÂçÌåϵ½á¹¹(network architecture)  1.1  ÐÅÏ¢´«Ê䵥λ(information transfer unit)    1.1.1  ÐÅÏ¢¡¢Êý¾ÝºÍÐźÅ(information,data and signal)    1.1.2  ÂëÔªºÍ±ÈÌØ(symbol and bit)    1.1.3  Ö¡¡¢Êý¾Ý±¨¡¢±¨ÎĶκͱ¨ÎÄ(frame,datagram,segment and message)    1.1.4  ÐŵÀ¡¢ÐÅÔ´ÓëÐÅËÞ(information channel,source and destination)  1.2  ÍøÂçºÍЭÒé(network and protocol)    1.2.1  ÍøÂ綨Òå(definition of network)    1.2.2  ÍøÂçЭÒé(protocol)    1.2.3  ЭÒéÊý¾Ýµ¥Ôª(protocol data unit)  1.3  osiÍøÂçÌåϵ½á¹¹(osi architecture)    1.3.1  osi²Î¿¼Ä£Ð͵ÄÖƶ¨(design osi reference model)    1.3.2  osi¸÷²ãµÄÖ÷Òª¹¦ÄÜ(functions of all osi layers)  1.4  tcp/ipÍøÂçÌåϵ½á¹¹(tcp/ip architecture)  1.5  ÏÖ³¡×ÜÏßÍøÂç(field bus)    1.5.1  ×ÜÏ߶¨Òå¼°·ÖÀà(bus definition and classes)    1.5.2  ÏÖ³¡×ÜÏ߶¨ÒåºÍ·ÖÀà(definition and classes of field bus)    1.5.3  ÏÖ³¡×ÜÏߵŦÄܺÍÌåϵ½á¹¹(function and architecture of field bus)  1.6  ÍøÂç·ÖÀà¡¢ÀúÊ·ºÍ·¢Õ¹(networks classes,history and future development)    1.6.1  ÍøÂç·ÖÀà(networks classes)    1.6.2  ·Ö×é½»»»µÄ²úÉú(packet switching)    1.6.3  ¼ÆËã»úÍøÂçµÄ·¢Õ¹(development of computer network)  Ï°Ìâ1  ʵÑéÖ¸µ¼1-1³£ÓÃÍøÂçµ÷ÊÔÃüÁî  ÊµÑéÖ¸µ¼1-2ÈÏʶÍøÂçÌåϵ½á¹¹¼°Ð­ÒéµÚ2Õ  ÎïÀí²ã(physical layer)  2.1  ÐźÅ(signal)    2.1.1  ÓÐÏßµçÐźÅ(wire signal)    2.1.2  ¹âÏËÐźŴ«Êä(optical fiber signal)    2.1.3  ÎÞÏßÐźÅ(wireless signal)  2.2  ´«Êä½éÖÊ(transfer media)    2.2.1  Ë«½ÊÏß(twist pair)    2.2.2  ͬÖáµçÀÂ(coaxial cable)    2.2.3  ¹âÀÂ(optical cable)    2.2.4  ÎÞÏßͨÐÅ(wireless communication)  2.3  ±àÂë¼¼Êõ(encoding technology)    2.3.1  Ƶ´ø±àÂë(frequency band encoding)    2.3.2  »ù´ø±àÂë(baseband encoding)    2.3.3  4b/5bºÍ8b/10b±àÂë(4b/5b and 8b/10b encoding)  2.4  ÐŵÀ¸´ÓÃ(multiplex channel)    2.4.1  ʱ·Ö¶à·¸´ÓÃtdma(time division multiplex access)    2.4.2  Ƶ·Ö¶à·¸´ÓÃfdma(frequency division multiplex access)    2.4.3  Âë·Ö¶à·¸´ÓÃcdma(code division multiplex access)  2.5  ÐÅÏ¢´«ÊäËÙÂÊÖ¸±ê(transfer ratio)    2.5.1  ´ø¿íºÍËÙÂÊ(bandwidth and rate)    2.5.2  ÄÎÊ϶¨ÂÉ(nyquist formula)    2.5.3  ÏãÅ©¹«Ê½(claude e. shannon equation)    2.5.4  ´ø¿íÓ븵ÀïÒ¶·ÖÎö(bandwidth and fourier analysis)  2.6  ÎïÀí²ã³£Óñê×¼(physical layer standards)    2.6.1  ÐźŴ«ÊäÀàÐÍ(signal transmission classes)    2.6.2  ´®Ðд«Êä¼¼Êõ(serial transmission)    2.6.3  eia rs232½Ó¿Ú±ê×¼(rs232 interface standard)    2.6.4  eia rs485½Ó¿Ú±ê×¼(rs485 interface standard)    2.6.5  usb×ÜÏߵĵçÆøÌØÐÔ(usb bus electrical characteristics)    2.6.6  can×ÜÏߵĵçÆøÌØÐÔ(can bus electrical characteristics)  2.7  ÒÔÌ«ÍøµÄÎïÀí²ã(physical layer of ethernet)    2.7.1  802.3¾ÖÓòÍøµÄ¼¸ÖÖ´«ÊäýÌå(transmission media of 802.3 lan)    2.7.2  ÒÔÌ«Íø±àÂë·½·¨(ethernet coding way)    2.7.3  802.11  ÎÞÏß´«ÊäÎïÀí²ã(physical layer)  2.8  modemºÍxdsl(modem and x digital subscriber line)    2.8.1  xdsl¼¼ÊõÔ­Àí(xdsl tech principle)    2.8.2  ¶Ô³Ædsl¼¼Êõ(symmetrical dsl tech)µÚ3Õ  Êý¾ÝÁ´Â·²ã(data link layer)µÚ4Õ  ÍøÂç²ã(network layer)µÚ5Õ  ´«Êä²ã(transmission layer)µÚ6Õ  ¼ÓÃÜ°²È«(encryption & security)µÚ7Õ  Ó¦Óòã(application layer)µÚ8Õ  ǶÈë¡¢Òƶ¯ºÍÎïÁªÍø(embedded,mobile & iot)¸½Â¼²Î¿¼ÎÄÏ×