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      NTT DATA

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      NTT DATA IT Helpdesk Engineer interview

      NTT DATA Interview Question

      IT Helpdesk Engineer Interview

      What is OSI?

      Interview Answers

      Anonymous

      Mar 20, 2018

      Open System Interconnection (OSI) is an visual representation of network functions. It has 7 layers.

      3

      Anonymous

      Sep 12, 2020

      Open system interconnection

      Anonymous

      Sep 12, 2020

      Communicate over a network

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