HELPDESK: Class IX/X Unit Test April 2013

Please comment for doubts/queries regarding Class IX and X Unit Test scheduled on April 30, 2013.

Please allow atleast 1 hour for us to respond.

Thank you.

8 comments:

  1. will there be questions related to web browsers and blogs?

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    Replies
    1. No, only Internet History, internet services, internet backbone.

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  2. we say that airtel is a MNC company but it is working as an ISP bcoz it earns money by sharing internet.Isn't it??

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  3. how were privates companies connected to arpanet and nsfnet?

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    Replies
    1. When arpanent removed their hardware and server data from Internet and allowed private companies to setup their servers.

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  4. diffentiate DSL and dial-up connections

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    Replies
    1. dial-up services uses your phone line and a modem.while using it you cannot make phone calls.
      DSL also uses your phone line but you can still get and do phone calls

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