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Questions and Answers
Which component of data communication is responsible for establishing the rules for data exchange?
Which component of data communication is responsible for establishing the rules for data exchange?
- Transmission medium
- Message
- Protocol (correct)
- Sender
What type of computer network is typically limited to a small geographic area, such as a home or office?
What type of computer network is typically limited to a small geographic area, such as a home or office?
- LAN (correct)
- PAN
- WAN
- MAN
Which of the following is NOT a type of computer network classification?
Which of the following is NOT a type of computer network classification?
- PAN
- WAN
- VPN (correct)
- LAN
In the context of data communication, what is the role of the receiver?
In the context of data communication, what is the role of the receiver?
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Which characteristic distinguishes a Metropolitan Area Network (MAN) from a Wide Area Network (WAN)?
Which characteristic distinguishes a Metropolitan Area Network (MAN) from a Wide Area Network (WAN)?
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Study Notes
Data Communications
- Data communications involve the exchange of data between two devices via a transmission medium, such as a wire cable.
- The components of data communication include:
- Message: The information being exchanged
- Sender: The device sending the message
- Receiver: The device receiving the message
- Transmission medium: The physical path used for data transfer
- Protocol: A set of rules governing how the data is transmitted
Computer Networking
- Refers to interconnected computing devices that can exchange data and share resources with each other.
- These networks use communications protocols to transmit information over physical or wireless technologies.
Computer Network Classifications
- Categorized by size:
- LAN (Local Area Network): Connects devices within a limited geographical area, like a building or home
- PAN (Personal Area Network): Connects devices within a close proximity of a single person, such as a Bluetooth connection
- MAN (Metropolitan Area Network): Connects devices across a larger geographical area, like a city
- WAN (Wide Area Network): Connects devices over a very wide geographical area, typically spanning countries or continents, utilizing satellite or fiber optic cables for long-distance connections.
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