Question

In the OSI model, physical addressing takes place at the:

1) Data link layer
2) Layer 4
3) Physical layer
4) Session layer

Answer 1

Physical addressing takes place at the Physical layer (Layer 1) in the OSI model.

Step-by-step explanation:

In the OSI model, physical addressing takes place at the Physical layer (Layer 1). This layer is responsible for transmitting raw bits over a physical medium, such as Ethernet cables or wireless signals. It defines the electrical, mechanical, and functional aspects of data transmission.