What is the purpose of the Physical Layer in the OSI model?
Practice Questions
1 question
Q1
What is the purpose of the Physical Layer in the OSI model?
Data encryption
Signal transmission
Session management
Data formatting
The Physical Layer (Layer 1) is responsible for the transmission of raw bitstreams over a physical medium, including electrical signals and light pulses.
Questions & Step-by-step Solutions
1 item
Q
Q: What is the purpose of the Physical Layer in the OSI model?
Solution: The Physical Layer (Layer 1) is responsible for the transmission of raw bitstreams over a physical medium, including electrical signals and light pulses.
Steps: 6
Step 1: Understand that the OSI model has 7 layers, and the Physical Layer is the first one.
Step 2: Know that the Physical Layer deals with the actual physical connection between devices.
Step 3: Realize that it transmits raw data in the form of bits (0s and 1s).
Step 4: Learn that this layer uses different types of media, like cables or fiber optics, to send signals.
Step 5: Understand that the signals can be electrical (for copper cables) or light pulses (for fiber optics).
Step 6: Remember that the Physical Layer does not understand the data; it only sends it as bits.
