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What is Data Link Layer Overview and Functions about?

The Data Link Layer governs how hosts access the Physical layer, including identification, medium access, and error verification. It consists of two sub-layers: Media Access Control (MAC), which manages media access and error checking, and Logical Link Control (LLC), which interfaces with upper-layer protocols and ensures error-free communication. Data Link layer devices include Network Interface Cards (NICs), switches, and bridges.

Author

cleverman677

Language

EN