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4.
Internet- (OpenSystemsInterconnection, OSI), (InternationalOrganizationforStandardization, ISO). ISO/OSI, 80- .
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9. , WAN- (WideAreaNetwork) - . . , .
Internet:
NSFNet
UUCPNet e-mail
EUNet Internet
USEnet e-mail
Internet-hosts, . .
Internet TCP/IP - Transmission Control Protocol/Internet Protocol.
- (, - , Belsonet, Solo, Unibel, ..)
10.
Internet , (ARPA). 1-2 , , . ARPANET. 1969 , . 1972 , ARPANET 23 , .
70- ARPANET , , . , TCP/IP. 1983 ARPANET - . , . .
1992 , , (WorldWideWeb, WWW, ). WWW , . . 1992 .
11. 3 Internet:
1. ( ). Internet .
2. . , - .
3. - Direc P -.
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12. : . , , , . , , . , , , . , , . - . , . , IP - Internet Protocol ( ). - , , . . , . . TCP - Transmission Control Protocol ( ). , , .
13. , , . TCP (Transmission Control Protocol) . IP (Internet Protocol) . TCP , . TCP . UDP (UserDatagramProtocol, UDP) TCP , IP . TCP, UDP , (connectionless). UDP , . (DomainNameService, DNS), UDP.
14. IP-
, IP-. IP- InterNIC, .
IP- 32- , ( , , ) TCP/IP.IP- 4- , , 192.168.115.163.
TCP/IP , , , , , . , , , , . , . IP- . IP- , - .
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1- 32- , 1- .
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15.
IP- , , IP-. , IP-, (DNS). - , , IP- .
, , , pacademy.edu.by. , , DNS. pacademy- edu.by, by. , by, edu.by . edu.by pacademy.edu.by IP-. DNS, , , , .
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: com - ; edu - ; gov - ; mil - ; net - , ; org - ; info - ; biz - ; arpa - ArpaNet. : , , , ,.by - ,.ru - ,.us - , ..
16. URL- . URL- (UniformResourceLocator- ). URL ( ). , , , , . IP-. , DNS , IP-. : <> ]://< >[:1][ ] URL:
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17. .
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