Monday, 6 August 2012

CCNA ( Network Basic Question 27 )

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 & Explanation
Answer: Option C


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


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