Answer / prasanta kumar jena

l2 link is data link layer. provide physical addressing.
responsible for reliable transmission of the pocket over link.
FRAMIMG- Determine the start and end pocket.
error detection- determine when a pocket contain error .

Error recovery- retransmission of the pocket containing
error

Answer / sagar

l2 LINK is a layer 2 link where switch or bridge is included

Bridges work at what layer of the OSI model? A.) Data Link B.) Network C.) Physical D.) Application

2 Answers  

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Hi I asking one thing that my company having cisco ip phone with connected to cisco poe switch.But sometime when my agent calling to customer on that time customer voice is break only few 2 to 3 sec.I have already checked my wan link by isp and also lan connection,but this problem is not sorted out so pls help me.

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