第 9 章 计算机网络基础与因特网
DESCRIPTION
第 9 章 计算机网络基础与因特网. 基本内容. 计算机网络基础. Internet 基础. 接入 Internet. IE 浏览器. 电子邮件. 9.1计算机网络基础. 计算机网络(技术)是现代计算机技术与通信技术相互渗透、密切结合而形成的一门交叉学科。 1.计算机网络的概念 计算机网络( Computer Network) 就是将地理上分散布置的具有独立功能的多台计算机(系统)或由计算机控制的外部设备,利用通信手段通过通信设备和线路连接起来,按照特定的通信协议进行信息交流,实现资源共享的系统 。. 2.计算机网络的基本特征: - PowerPoint PPT PresentationTRANSCRIPT
-
9
-
InternetIEInternet
-
9.1 ()1. Computer Network)
-
2.1234
-
3.1234
-
4.(1). (LANLocal Area Network)1. (WANWide Area Network).MANMetropolitan Area Network 10Mbps1050
-
(2)EthernetToken RingFDDIFiber Distributed Data InterfaceATMAsynchronous Transfer Mode FRFrame RelayDDNDigital Data NetworkISDNIntegrated Services Digital NetworkADSLAsymmetrical Digital Subscriber Loop
-
(3)TCP/IPNovellMicrosoft
-
(4). bps
-
.
-
5.1 2
-
3
-
Token RingFDDI
-
CERNETInternet
-
6.1 Server) Station) Net word Adapter) HUB
-
CDROM
-
/ 1 2/ 3WWWFTP
-
(NIC) ,10Mbps100Mbps10/100MbpsISAPCIISA1610MPCI32
-
HUB
-
481632 ISAPCI10M100M10/100M1000M
-
Hub Hubhub10OM1010M HubMAC
-
FDDIATM 500300100100 Desktop SwitchWorkgroup SwitchCampus Switch
-
Switch 10Mswitch10M MAC
-
IEEE802.3,IEEE802.3U()CSMA/CDMACMACMACMAC
-
Ethernet-MACMACMACMAC-MACMAC
-
(Router),,(Routing).() .,
-
Routing Table
-
(Bridge),,LAN LANLANLAN MAC MAC ,
-
: (1)LAN; (2);(3)LAN; (4); (5)
-
(Gateway) 1 2 3
-
(firewall)(Internet)
-
9. 1 2 3
-
(1)
-
NetWare UNIX LinuxWindows NTWindows 2000 UNIX UNIX206070
-
UNIXUNIXInternetUNIX
-
NetWare NovellNetWareIntel208090 NetWare NetWareNetWareDOSNovellNetWareIPX/SPX2090TCP/IP
-
Windows NT Windows NTWindows NT Workstation) Windows NT Server)Windows NT4.0
-
Windows 2000 Windows 2000WindowsNT 4.0Windows95/98Windows 2000Windows 2000Professional
-
Windows 2000Internet
-
Linux LinuxLinus Torvalds LinuxTCP/IPSLIPPPP
-
(2)
-
OSI/RM
-
OSI
-
717
-
7
-
OSI1-4OSI5-7
-
TCP/IPIPX/SPXX.25SMTPPPPMicrosoftNETBEUINovellIPX/SPX NWLinkTCP/IPTCP/IPNetBEUI
-
1TCP/IPTCP/IP(Transmission Control Protocol/Internet Protocol/INTERNETInternetTCP/IPUNIXTCP/IP
-
TCPIPTCPIPTCP/IPTCP/IPTCP/IP
-
NetBEUINETBEUI NetBIOS Extend User InterfaceIBM1985 , NETBEUINETBEUINETBEUI.NETBEUIMAC
-
IPX/SPXNWLinkIPX/SPXInternetwork Packet Exchange/Sequences Packet Exchange/NOVELLNETWARE/NETBEUI. IPX32(IPX
-
IPXSPXNWLinkIPX/SPXIPXNetWareSPXNTIPX/SPXNWLink IPX/SPX NWLink NetBIOSNWLink IPX/SPXWindowsNetWareNWLink
-
3 BBS
-
8.Win2000Windows 2000 Professional CD-ROM
-
1 /10
-
2.Windows 20001. HUB 2 3 Microsoft Microsoft NetBEUI ProtocolInternetTCP/IP45
-
9.2 1.? InternetInternetTCP/IP Internet
-
2. Internet (1) (2)TCP/IPTCP/IP
-
3. 1969(ARPA) ARPANET 196912(ARPANet)SIGMA-7SDS904IBM360/75PDP-10Internet
-
ARPANet
-
(2)1973TCPTCP1978TCPIPIPIPTCPTCP/IP
-
1986( NSF) 907 NSFNETARPANETInternet1990Internet1991NSFNet44.73Mbps90
-
(3)90(National Information Infrastructure)NII 1991InternetCommercial Internet Exchange AssociationInternetWWWInternet1997Internet622Mbps
-
(4) 2090Internet1993AT&TSLAC64Kbps 1994420SprintInternet64KInternetInternetInternet71199512CERNET
-
19961CHINANET19964CSTNETCERNETChinaNetChinaGBN20003UNINET(CNCNET)CMNET
-
4. Internet(1)Internet TCP/IPInternetInternetInternetInternetISOOSI/RM InternetInternetOSI/RMInternet
-
InternetInternetInternetInternet
-
(2)IPIP IP32InternetInternet202.112.105.118IP 1 Internet 2
-
(3)IPAIP8241.0.0.1~126.255.255.254 B IP1616128.0.0.1~191.255.255.254) 65534 IP192.0.0.1~222.255.255.254)
-
IPIPABC:A:80241.0.0.0129.255.255.255B:161016128.0.0.0191.255.255.255C:241108192.0.0.0223.255.255.255
-
IPABCIPA: 27 =1281600B:214 =1638465,536C:221 =2097150C256
-
IPv6InternetIP3240IP2IPIPAIPIPIPv6IPIPv6128IP
-
(4)
4IPIPIPIP
-
(5)
DNSInternetInternet1NDSDomain Name System) IP 2 Domain Name Server)
-
3~5 ..
Webwww.microsoft.comIP209.46.230.219IP
-
5.(1)(2)ISDN ISDN (3)ADSL ADSL.(4)56
-
9. WAPCDMA IEEE802.11MODEM2Mbps8Mbps
-
9.2.5 Windows2000123
-
9.3 20E-mail)WWWFTPTelnetBBSIP
-
9.3.1 1 Web2 SMTPPOP3IMAPMIME 3 @
-
4Outlook Express Outlook Express 5 Outlook Express6 9. @
-
8 9
-
9.3.2 FTPFTPFile Transfer ProtocolFTP(Download)(Upload)2001743.9%FTP74.9%51.3%
-
1FTPFTPFTP FTPIP FTP FTP anonymous FTPFTP
-
2FTPFTPFTPFTPFTPWindowsFTPCuteFTP
-
9.3.3 Telnet TelnetFTPFTP
-
Telnet:TelnetTelnetBBSFTPArchie
-
9.3.4 Internet InternetInternet1USENet23
-
9.4 2090WWWWWWWorld Wide WebInternet
-
9.4.1WWW1990The European Particle Physics Laboratory1993Mosaic1994Netscape NavigatorMosaic1995SunJavaJavaWWW
-
9.4.2WWWWWWWebHHTPWebWebWebWebWWWWebWWWWebWWW
-
WWWWWWWebWWWWebWebHTML HTTPWWWHTTPHTTPURL
-
9.3.3URLURLUniform Resource LocatorURLURLURL URLhttp://www.cnnic.net.cn/develst/rep200107-1.htmlURLHTTPcnnicdevelstHtmlrep200107-1.html
-
: http:// ftp:// gopher:// telnet:// file:// : news: mailto: gopherfile
-
9.3.4IEInternet ExplorerWebWindowsInternet ExplorerIE
-
IE1IE2IEWeb3IEWeb4. 5IEWeb6. 9. Web
-
9.5 FrontpageHTMLWord2000Powerpoint2000Frontpage2000
-
9.5.1 Frontpage2000Frontpage2000FrontPage2000Frontpage2000Frontpage2000HTMLFrontpage2000Frontpage98
-
Frontpage2000WebFrontpage2000Frontpage2000FTPHHTPFrontpage2000
-
9.5.2 Frontpage2000 Frontpage2000Word2000HTML HTML
-
9.5.3 Frontpage2000Frontpage2000Microsoft FrontpageFrontpage20001Frontpage20002
-
Frontpage2000 :
-
9.5.4 1 2 3
-
9.5.5 Frontpage20001Frontpage2000 Frontpage2000 2 Frontpage2000Frontpage2000
-
3FrameHTML9.62
-
18 P335
1
2 E-MAIL
-
9 P253
1 12456
2