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How many layers does the OSI model have?

How many layers does the OSI model have?

او۔ایس۔آئی ماڈل میں کتنی پرتیں ہیں؟
Explanation

The OSI (Open Systems Interconnection) model has 7 layers, which are:

  1. Physical
  2. Data Link
  3. Network
  4. Transport
  5. Session
  6. Presentation
  7. Application