Layer 1 Physical

Question 1

What is layer 1 responsible for ?

Answer 1

Layer 1 is responsible for transmission of digital Data bits from the source device to the destination device over the physical network communications media.

Physical devices, hardware

Question 2

Physical layer is literally

Answer 2

Finding physical devices
Just connectors adapters hubs, network interface cards, repeaters

These don’t require configuration

Question 3

What is encoding and signaling ?

Answer 3

It is used to transform data from bits 1s and 0s into electrical signals

Question 4

Summarize physical layer

Answer 4

Layer 1 it is hardware and digital bits