+The **Data Link Layer** is the second layer of the [OSI Model](/wiki/OSI_Model), orchestrating reliable data transfer between directly connected network nodes. It frames raw bits from the [Physical Layer](/wiki/Physical_Layer) into discrete units, managing error detection and flow control across a single link.
+## See also
+- [Physical Layer](/wiki/Physical_Layer)
+- [Network Layer](/wiki/Network_Layer)
+- [MAC Address](/wiki/MAC_Address)
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