Answer / alok

The Open Systems Interconnection model (OSI) is a conceptual model that characterizes and standardizes the internal functions of a communication system by partitioning it into abstraction layers
layers---
7.  Application
6.  Presentation
5.  Session
4.  Transport
3.  Network
2.  Data link
1.  Physical
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What is the magnetic susceptibility of a paramagnetic material?

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