What is the role of the OSI Data Link layer when you transfer information from o

Question

What is the role of the OSI Data Link layer when you transfer information from one computer to another?style="color: rgb(0, 0, 0); font-family: arial, verdana, geneva, arial, helvetica, sans-serif; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); display: inline !important; float: none;">

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Explanation / Answer

The OSI data link layer defines the format of data on the network between the computers . Anysent through the network is made into a frame which takes place here. This frame is a uniform way of sending the data along with :-

1.address information

2. error checking capabilities.

Cyclic Redundancy check(CRC) is used for the error detection at tthe data link layer. If at the receiving end the Cyclic Redundancy check(CRC) fails at this level there is a request back to the sender for retransmission of this packet.

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