Internet 基础知识

Internet 1 Internet 2 IP() 3 Internet

1 Internet1.1 Internet1.2 Internet1.3 IPv6Internet 2

1.1 Internet Internet 1969-1985 1986-1995 1996

1.2 InternetCHINANETNCFCCERNETCHINAGBN

1.3 IPv6Internet 2IPv6128 IPv41600

2 IP2.1 IP2.2 2.3

2.1 IPIP IPInternet

IP=1. IP

IP43211001010.011001110001100001000100 :(0255)

2. IPA (001.0.0.1126.255.255.254)B (128.0.0.1191.255.255.254)C (192.0.0.1223.255.255.254)DE

0724

1014 16

110218

111028

1111027

A712627-216777214224-2B1416382B65534216-2C212212097150C25428-2

3IP: 1IP : 321IP255.255.255.25500A127127.0.0.0127.255.255.255LOOPBACK127.0.0.1

4IP ipconfig TCP/IP : cmd.exeDOS ipconfigallipconfig /all

2.2 IP-- IP={}IPIP

32 IP10A,B,CIP A255.0.0.0 B255.255.0.0 C255.255.255.0

2.3 IPDNSDomain Name ServerIPjhun.edu.cnmicrosoft.com. ,

1. 26 ( ) 2. 01234567893. -63

IE7.0IE8.0Firefox, Opera, Google Chrome, Safari.cn . . ...3

2. 1998,InternetInterNIC 1998 ICANN(IP)CNNIC

3 Internet 3.1 ISP3.2 3.3 ADSL3.4 3.5 3.6

3.1 ISP ISP: ISPInternet Service ProviderInternet

3.2 1. ISP ModemISPIPIPIP

2. ISDNISDNN-ISDN

3.3 ADSL ADSL IP 1IP24IP

2. ADSL ADSLADSL

3.4 ()Intemet()Internet

3.5

3.6

DOSPingPingDNS

1.________A BC D 2. Internet_______A B CIP D

3. IPV4_______A8 B16 C32 D64

4. _______ABCD

5.4IP______A192.168.1.254 B192.168.1.255C192.168.1.256 D192.168.1.0

6. IP_______A202.18.21 Bpku.edu.cnC202.256.18.21 D202.201.18.21

7.IP209.137.58.211________IP AA BB CC DD

8. BIP128.0.0.1________ .255.255.254A128 B191 C256 D192

9. CIP32________A00 B01 C10 D11

19. 00100001 00010001 00001010 00001010IP_______A21.11.19.10 B33.17.19.10 C192.168.0.1 D202.103.0.10

11.InternetIP_______A B C D

12. public.tpt.tj.cn4_______ Apublic Btpt Ctj Dcn

13._______Acn Bcom Corg Dedu

com_______ABCD

15._________A BIP CIP D

16. IP_______A BCIP DIP

17. ISP_______AInternet BC D

18. Internet______ AIP BIPCIP DInternetIP