Physical OSI model layer transmits bits from one device to another and modulates the transmission stream over a medium.
<h3>What is OSI model layer?</h3>
The seven levels that computer systems employ to interact over a network are described by the Open Systems Interconnection (OSI) model. In the early 1980s, all significant computer and telecommunications businesses adopted it as the first universal architecture for network communications. A conceptual model called the Open Systems Interconnection model "provides a common platform for the coordination of [ISO] standard development from the objective of system interconnection," according to the statement.
Physical, Data Link, Network, Transport, Session, Presentation, and Application are the seven separate abstraction layers into which the communications between computing systems are divided in the OSI reference model.
The OSI model is a generalized model based on the functions of each layer. A protocol-oriented standard is the TCP/IP model. The three concepts—services, interfaces, and protocols—are separated by the OSI model. These three are not clearly distinguished in TCP/IP.
Hence, Physical OSI model layer transmits bits from one device to another and modulates the transmission stream over a medium.
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