Open System Interconnection (OSI) model has ____ layers.

Open System Interconnection (OSI) model has ____ layers.

  1. a) 6
  2. b) 5
  3. c) 9
  4. d) 7

From the Sonali & Janata Bank Officer (IT) 2020 – Written (DU) exam, question 15 of 50.

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