Relevant Competitive Tests:
which layer of OSI model used by router?
A. layer 2
B. layer 4
C. layer 3Correct Answer
D. All of above
Correct Option: C. layer 3
Detailed Explanation & Reference:
Routers operate on the third layer of the OSI Model, the Network-Control Layer. Rather than passing packets based on the Media Access Control (MAC) Layer addresses (as bridges do), a router examines the packet’s data structure and determines whether or not to forward it.
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