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مبانی اینترنت PowerPoint PPT Presentation


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مبانی اینترنت. اینترنت چیست؟. یک شبکه حجیم که شبکه های کامپیوتری تجاری، سازمانی، آژانس های دولتی، و مدارس سراسر دنیا را سریع، یکپارچه و ارزان به هم متصل می کند. تقریباً یک میلیون شبکه داخلی سازمان ها در 200 کشور گره ها: دستگاه های محاسباتی که به شبکه مرتبط شده اند. تاریخچه.

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3884271


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  • .

    • 200

  • : .


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  • ARPA(Advanced Research Project Agency)

  • 1969 .

  • 4

  • 1993

  • 500

  • (backbone): .


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  • 2: .

    • : 1969 34

    • : 180 .

  • (NGI): .


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  • vBNC(Very-High-Speed Backbone Network Service): 2 NGI .

    • : OC-3(155 Mbps)

    • OC-12(622 Mbps)

    • : OC-48(2.4 Gbps)


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  • IP: .

    • IP 7() ISO-OSI .

  • TCP: Transmission Control Protocol

    • OSI .

  • ISP:


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  • Packet-Switching:


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  • LAN

    • : Communication stack OSI

  • SLIP/PPP(Serial Line Internet Protocol/Point-to-PointProtocol)

    • :

  • online

    • : ISP

    • :


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  • IP: .

  • DNS: (ICANN) .

  • : .


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  • : .

  • The 19 top-level specification are as follows:

    • com commercial site.

    • edu educational site.

    • Milmilitary site.

    • Govgovernment site

    • Netnetworking site

    • Orgorganizations

    • Firm business and firms

    • Storebusiness and offering goods for purchase

    • Info information service providers

    • Web entities related to world wide web activities.

    • Arts cultural and entertainment activities,

    • Rec recreational activities

    • Nom individuals

    • Areo air-transport industry

    • Bizbusinesses

    • Coop cooperatives

    • Museum museums

    • Name registration by individuals

    • Pro accountants, lawyers, physicians.


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  • : .

  • : .

    • VoIP:

  • : .

  • : .


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WWW

  • WWW . www application .

  • (www): client/server .

    • : 1989 .


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  • HTML: SGML

  • SGML: HTML .

  • Home page: .

  • : .

  • : .


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  • URL(Uniform Resource Locator): .

  • HTTP: WWW .

  • Browser: .

  • Surfing: browser.


  • Login