Respuesta :
The transform layer performs error checking which is redundant to some extent with the function of the data link layer.
What is data link?
- A data link is a method of establishing a connection between two points for the transmission and reception of digital information (data communication).
- It can also refer to a group of electronic components that include a transmitter, a receiver (two pieces of data terminal equipment), and a circuit that connects them.
- These are controlled by a link protocol that enables the transport of digital data between a data source and a data sink.
What sort of data link would that be?
- Ethernet, Point-to-Point Protocol (PPP), HDLC, and ADCCP are a few examples of data link protocols.
- The link layer, the lowest descriptive layer in the Internet Protocol Suite (TCP/IP), contains the data link layer functionality and is presumptively independent of the physical infrastructure.
Learn more about data link here:
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