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Some common  op  evel  omains are:

                          Abbreviations                         Used To Denote

                            .com               ommercial firms
                            .edu               niversities  ducational firms
                            .gov              Government Bodies/Organisations

                            .mil              Military Organisations
                            .net              ISP’S/Networks

                            .org              Non- overnment Non- rofit Organisations
                            .co               National and Multinational Companies
                            .int              International Organisations


        In DNS, codes of country can also be included. The code comprises two letters. Some common codes of
        certain countries are:
                        Code        Country it belongs to      Code       Country it belongs to

                          .au     Australia                      .in    India

                          .uk     United Kingdom                 .us    United States of America
                          .jp      apan                         .nz     New Zealand

                          .fr     France                         .br    Brazil


        Web Servers
         eb server is the principal computer or server that links or stores contents of different websites. It provides
        data and information to computers on request via Internet.

        In other words, it can be said that web server is a computer that stores data and runs software that are
        designed to send web pages in file format when re uested by the web browsers.

























         he server is always of high configuration  i.e.  a high-speed processor with large storage capacity  which can
        store data and executes the instructions very fast.

        Some popular web servers are  pache  I M  otus  Internet Information Server  IIS  of Microsoft  etc.



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