In communications, the physical interconnection between two points (OSI layers 1 and 2). It may also refer to the modems, protocols and all required hardware and software to perform the transmission.
"data link." YourDictionary, n.d. Web. 28 January 2019. <https://www.yourdictionary.com/data-link>.
data link. (n.d.). Retrieved January 28th, 2019, from https://www.yourdictionary.com/data-link
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