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Questions and Answers
Which layer in the network is responsible for supporting communications across data networks?
Which layer in the network is responsible for supporting communications across data networks?
- Application Layer
- Physical Layer (correct)
- Data Link Layer
- Transport Layer
What is the purpose of the physical layer in the network?
What is the purpose of the physical layer in the network?
- To provide error detection and correction
- To determine the most efficient path for data transmission
- To establish a connection between devices (correct)
- To manage network resources
What are the characteristics of the physical layer?
What are the characteristics of the physical layer?
- It manages network resources
- It determines the most efficient path for data transmission
- It is responsible for the physical transmission of data (correct)
- It provides error detection and correction
What is the main advantage of fiber-optic cabling over other media?
What is the main advantage of fiber-optic cabling over other media?
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How can devices be connected in a network?
How can devices be connected in a network?
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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).
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