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Internet Basics


          Ans. The six network and communication related abbreviations are:
                1.   TCP (Transmission Control Protocol): TCP is a protocol developed for the Internet to transfer data
                     from one network device to another.
                2.   HTTP (Hypertext Transfer Protocol): HTTP is a protocol (utilizing TCP) to transfer hypertext requests
                     and information between servers and browsers
                3.   ISP (Internet Service Provider): An ISP is also sometimes referred to as Internet Access Provider
                     (IAP).  It  is  an  organization  that  provides  access  to  the  Internet  through  various  connectivity
                     mechanisms (dial up, modem, cable services, etc.)
                4.   IIS (Internet Information Server): IIS is Microsoft's proprietary Web server software, and is included with
                     their Windows NT-based operating systems. It is free, and is required for the use of ASP code in a
                     Website. It also provides FTP functionality, and an easy-to-use management console for administrators.
                5.   SMTP  (Simple  Mail  Transfer  Protocol):  It  is  an  Internet  standard  for  electronic  mail  (E-mail)
                     transmission across Internet Protocol (IP) networks.
                6.   ADSL (Asymmetric Digital Subscribers Line): It  is one form of the Digital Subscriber Line technology,
                     a data communications technology that enables faster data transmission over copper telephone
                     lines than a conventional voice band modem can provide.

          Q.2. Laleema  Chakradhar  wants  a  broadband  connection  for  accessing  her  mails  and  staying
                informed  about  the  latest  happenings  in  the  field  of  Biotechnology.  Can  you  suggest  two
                Internet Service Providers in India who can be approached for the same?
          Ans. VSNL, Airtel
          Q.3. Identify the domain name(s) and URL(s) from the following list:
                a.   yoga@yoga.com                                     b.   doYogaEveryday.com
                c.   www.doYogaEveryday.com/old/index.html

                d.   www.PerformingArts_schools.org/backlink.htm
                e.   192.168.0.1                                       f.   http://cbse.nic.in
          Ans. b and f are domain names
                c and d are URLs
          Q.4. Anila works in a Multinational Company and needs to work online from home as well. She
                therefore requires a fast Internet connection. What type of Internet connection in your opinion

                would be best suited to her needs. Apart from browsing on the Internet she will be required to
                upload/ download files to/from remote sites. Which protocol will help her to perform this activity?
          Ans. For a faster Internet connection, the Broadband or Cable connections are preferred. So Anila should
                go in for either the Cable Connection or the ADSL connection.
                The FTP will help her with the uploading and downloading of files.
          Q.5. List the different ways to connect to the Internet.
          Ans. Generally, there are two ways to connect to the Internet:
                1.   Wired Broadband connection like Dial-Up,  DSL (Digital Subscriber Line), Cable Internet.
                2.   Wireless Broadband connection like Wi-Fi ,  Satellite connection and Wi-Max.



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