What is the function of data link layer full explanation
Understand the Problem
The question is asking for a detailed explanation of the function of the data link layer in the OSI model. This includes understanding its role, responsibilities, and how it communicates with both the physical layer and network layer, as well as any protocols involved.
Answer
The data link layer handles node-to-node data transfer, error detection, correction, and flow control.
The data link layer is responsible for node-to-node data transfer, error detection and correction, and flow control. It provides reliable data transfer through framing, acknowledgment, and retransmission of lost frames.
Answer for screen readers
The data link layer is responsible for node-to-node data transfer, error detection and correction, and flow control. It provides reliable data transfer through framing, acknowledgment, and retransmission of lost frames.
More Information
The data link layer is the second layer of the OSI model, and it plays a crucial role in ensuring data integrity and managing how data flows between connected network nodes.
Tips
A common mistake is confusing the data link layer's responsibility with that of the physical or network layers. The data link layer specifically deals with error handling and node-to-node data transfer, not end-to-end delivery.
Sources
- Data Link Layer - GeeksforGeeks - geeksforgeeks.org
- Data link layer - Wikipedia - en.wikipedia.org
- The Working And Implementation Of Data-Link Layer In The OSI Model - simplilearn.com
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