5 Questions
Which layer in the network is responsible for supporting communications across data networks?
Physical Layer
What is the purpose of the physical layer in the network?
To establish a connection between devices
What are the characteristics of the physical layer?
It is responsible for the physical transmission of data
What is the main advantage of fiber-optic cabling over other media?
Higher data transfer speeds
How can devices be connected in a network?
Using either wired or wireless media
Study Notes
Network Communication
- The network layer is responsible for supporting communications across data networks.
Physical Layer
- The physical layer is responsible for transmitting raw bits over a physical medium, defining cables, Wi-Fi, and network topology.
Characteristics of Physical Layer
- Specifies the physical means of data transmission between devices
- Defines cable specifications, wireless transmission, and network topology
Fiber-Optic Cabling
- The main advantage of fiber-optic cabling over other media is its high speed and resistance to electromagnetic interference.
Device Connection
- Devices can be connected in a network through wired connections (e.g., Ethernet cables) or wireless connections (e.g., Wi-Fi, Bluetooth).
Test your knowledge on the purpose and functions of the physical layer in a network with this quiz. Explore the characteristics and services of physical layer protocols and network media that support communication across data networks.
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