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Questions and Answers
What are the common communication protocols used by computers in a network?
What are the common communication protocols used by computers in a network?
Common communication protocols over digital interconnections
What are the various telecommunication network technologies that make up the interconnections in a computer network?
What are the various telecommunication network technologies that make up the interconnections in a computer network?
Physically wired, optical, and wireless radio-frequency methods
What types of nodes can be found in a computer network?
What types of nodes can be found in a computer network?
Personal computers, servers, networking hardware, or other specialized or general-purpose hosts
What is the purpose of hostnames in a computer network?
What is the purpose of hostnames in a computer network?
How are computer networks classified based on criteria?
How are computer networks classified based on criteria?
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Study Notes
Computer Network Overview
- A computer network consists of interconnected computers that share resources via network nodes.
- Communication protocols are essential for digital interconnections, enabling computers to interact effectively.
Interconnection Technologies
- Networks use various telecommunication technologies: wired (cables), optical (fiber optics), and wireless (radio-frequency).
- Different network topologies can arrange these interconnections, influencing the layout and performance of the network.
Network Nodes
- Nodes include personal computers, servers, and networking hardware, as well as specialized systems.
- Each node is assigned a unique network address for identification and communication.
Hostnames and Network Addresses
- Hostnames are user-friendly labels for nodes that help in recognizing them, typically fixed post-assignment.
- Network addresses are crucial for locating nodes and are integral to communication protocols like the Internet Protocol (IP).
Classification of Networks
- Networks can be categorized based on several criteria:
- Transmission medium: The physical means used to transmit signals (wired, wireless, optical).
- Bandwidth: The amount of data that can be transmitted over a network in a specific time.
- Communication protocols: The rules and conventions used for data exchange among networked devices.
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