This set of Data communication and Networking Multiple Choice Questions and Answers (MCQs) focuses on “OSI MODEL Physical Layer”.
1. The OSI _______ layer is implemented mainly by hardware
- application
- session
- presentation
- physical
2. As the data packet moves from the _______ layer down to the _______ layer, headers and a trailer are added
- application; physical
- physical; application
- network; application
- data link; application
3. At the _______ layer, the data unit is transformed into the corresponding electromagnetic signal.
- application
- data link
- session
- physical
4. The _______ layer defines the characteristics of the interface between the devices and the transmission medium
- physical
- data link
- network
- transport
5. The _______ layer defines the transmission medium
- application
- session
- presentation
- physical
6. The _______ layer defines the type of encoding to be used
- application
- transport
- data link
- physical
7. The _______ is defined by the physical layer.
- logical address
- session dialog
- data rate
- encryption method
8. Sender and receiver clock synchronization is a function performed by the _______ layer
- presentation
- session
- physical
- data link
9. Line configuration, the way the devices are connected to the medium, is a concern of the _______ layer.
- physical
- data link
- network
- transport
10. Physical topology is a concern of the _______ layer.
- physical
- data link
- transport
- session