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Computer Science for IGCSE & O level - Data Transmission (Section 1 - No. 48)

What are the main functions of the data link layer?
Provides reliable node-to-node data transfer.
Defines the physical transmission media.
Creates logical connections between network nodes.
Handles routing.

توضیح

The data link layer (layer 2) is responsible for error-free transmission and making logical connections.

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