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Questions and Answers
What is the primary goal of a computer network?
Which protocol is commonly associated with communication in computer networks?
What type of network connects devices within a limited area?
Which of the following is NOT a benefit of computer networks?
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Which network type connects devices across large geographical distances?
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What does a Metropolitan Area Network (MAN) typically connect?
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Which component is NOT considered a device (node) in a computer network?
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What aspect of computer networks allows for future growth?
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What is an important function of protocols in computer networks?
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Which of the following describes the scope of computer networks?
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Study Notes
Introduction to Computer Networks
- A computer network is a group of connected devices that share resources and communicate.
- The primary goal is to enable resource sharing and communication between devices.
Meaning of Computer Networks
- A system of connected devices communicating through a medium like cables or wireless signals.
- Key components:
- Devices (Nodes): Computers, smartphones, servers, etc.
- Communication Medium: Ethernet cables, Wi-Fi, fiber optics, etc.
- Protocols: Rules for communication (e.g., TCP/IP).
Scope of Computer Networks
- Resource Sharing: Sharing files, printers, and other resources.
- Data Communication: Exchange information between devices.
- Collaboration: Working together on projects, sharing documents.
- Internet Access: Connecting to the worldwide web.
- Security: Protecting data and networks from unauthorized access.
- Scalability: Expanding the network to accommodate more devices and users.
Benefits of Computer Networks
- Resource Sharing: Sharing hardware and software resources.
- Communication: Effective and efficient communication between users.
- Data Backup and Recovery: Securely storing and retrieving important data.
- Cost-Effective: Sharing resources reduces individual costs.
- Scalability: Adapting the network to evolving needs.
Types of Networks
- Local Area Network (LAN): Connects devices within a limited area (home, office, building).
- Wide Area Network (WAN): Connects devices over a large geographical area (cities, countries, continents).
- Metropolitan Area Network (MAN): Connects multiple LANs within a city or large campus, bridging the gap between LANs and WANs.
Key Takeaways
- Networks enable resource sharing, communication, and collaboration.
- LANs are for small areas, WANs for extensive regions, and MANs for connecting multiple networks within a city.
- Network benefits include cost efficiency, improved communication, and scalability.
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Description
Explore the basics of computer networks, including their components and purpose. Learn how devices communicate, share resources, and the importance of protocols in facilitating interaction. This quiz covers everything from resource sharing to network security.
