Computer Science - Networking - Discussion

47. 

Which of the following is a wrong example of network layer:

[A]. Internet Protocol (IP) ARPANET
[B]. X. 25 Packet Level Protocol (PLP) - ISO
[C]. Source routing and Domain naming - Usenet
[D]. X.25 level 2 - ISO
[E]. None of the above

Answer: Option D

Explanation:

No answer description available for this question.

Shewangizaw Bogale said: (Feb 18, 2017)  
X.25 level 2 - ISO ------> Shows a Data Link Layer.

Manish said: (Jun 21, 2019)  
x.25.

level 1 physical layer.
level 2 data link layer.
level 3 network layer.

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