Answer:
Physical layer of the Internet model
Explanation:
Physical layer of the Internet model -
The physical layer is the very first and the lowest layer in the seven - layer OSI model of the computer networking .
This physical layer is composed of the electronic circuit transmission technology .
The layer is implemented by the PHY chip .
It is the fundamental layer undergoing the higher level functions in the network .
Hence , from the given information of the question ,
The correct answer is Physical layer of the Internet model .