What is the main reason the OSI model was created?

[A].	To create a layered model larger than the DoD model.
[B].	So application developers can change only one layer's protocols at a time.
[C].	So different networks could communicate.
[D].	So Cisco could use the model.

Answer: Option C

Explanation:

The primary reason the OSI model was created was so that different networks could inter-operate.