Why LAN is Cool for Schools and How Fast Internet Helps

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Rafi

02/07/2022

Computer Science

GCSE- types of networks and factors affecting strength of a network

Subjects

Computer Science

Hardware & software

Introduction to networks

Why LAN is Cool for Schools and How Fast Internet Helps

A comprehensive guide to computer networks focusing on advantages of LAN over WAN in schools and businesses, network performance factors including how bandwidth affects network performance and solutions, and networking hardware including difference between ethernet cat 5e and cat 6 cables for LAN.

LANs provide efficient local connectivity for organizations with benefits like centralized file sharing and hardware resources
Network performance depends on multiple factors including bandwidth, hardware choice, and connection types
Modern networks utilize various cable types and wireless technologies for data transmission
Network infrastructure components like NICs, switches, and routers play crucial roles in data management
Connection methods (wired vs wireless) significantly impact network performance and reliability

02/07/2022

LAN
What is LAN
Reasons to use a LAN
WAN
What is a WAN used for
Local area network
covers small geographical area- single site
All hardware

Network Performance Factors and Hardware Components

This section details various factors affecting network performance and introduces essential networking hardware. The discussion covers bandwidth management and network interface controllers $NICs$ .

Definition: Bandwidth refers to the amount of data that can be transferred through a network in a given time period, typically measured in megabits per second $Mbps$ .

Highlight: Network congestion can occur when too many devices share limited bandwidth, necessitating bandwidth management solutions.

Vocabulary: Network Interface Controller $NIC$ - A hardware component that enables devices to connect to networks.

Example: A network switch directing data frames to specific devices based on their MAC addresses demonstrates efficient network traffic management.

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Network Cable Types and Wireless Technologies

This section examines various cable types and wireless technologies used in modern networks, including their characteristics and applications.

Definition: Ethernet cables are standardized networking cables used to connect devices in a wired LAN.

Highlight: Fiber optic cables offer superior performance and resistance to interference compared to copper cables.

Example: Bluetooth technology enabling direct device-to-device connections within a 10-meter range.

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Network Connection Methods and Performance Implications

This section compares wired and wireless network connections, analyzing their impact on network performance and reliability.

Definition: Wireless Access Points $WAPs$ are devices that enable wireless devices to connect to a wired network.

Highlight: Wired connections typically offer superior speed and reliability compared to wireless alternatives.

Example: Physical obstacles like walls can significantly impact wireless signal quality and network performance.

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Subjects

Computer Science

Hardware & software

Introduction to networks

Computer Science

•

2 Jul 2022

•

4 pages

Why LAN is Cool for Schools and How Fast Internet Helps

Rafi

@raf1

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Network Performance Factors and Hardware Components

This section details various factors affecting network performance and introduces essential networking hardware. The discussion covers bandwidth management and network interface controllers $NICs$ .

Definition: Bandwidth refers to the amount of data that can be transferred through a network in a given time period, typically measured in megabits per second $Mbps$ .

Highlight: Network congestion can occur when too many devices share limited bandwidth, necessitating bandwidth management solutions.

Vocabulary: Network Interface Controller $NIC$ - A hardware component that enables devices to connect to networks.

Example: A network switch directing data frames to specific devices based on their MAC addresses demonstrates efficient network traffic management.

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Network Cable Types and Wireless Technologies

This section examines various cable types and wireless technologies used in modern networks, including their characteristics and applications.

Definition: Ethernet cables are standardized networking cables used to connect devices in a wired LAN.

Highlight: Fiber optic cables offer superior performance and resistance to interference compared to copper cables.

Example: Bluetooth technology enabling direct device-to-device connections within a 10-meter range.

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Network Connection Methods and Performance Implications

This section compares wired and wireless network connections, analyzing their impact on network performance and reliability.

Definition: Wireless Access Points $WAPs$ are devices that enable wireless devices to connect to a wired network.

Highlight: Wired connections typically offer superior speed and reliability compared to wireless alternatives.

Example: Physical obstacles like walls can significantly impact wireless signal quality and network performance.

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Understanding Local Area Networks (LAN) and Wide Area Networks (WAN)

This section explores the fundamental differences between LANs and WANs, highlighting their applications and characteristics. LANs operate within confined geographical areas, while WANs connect multiple LANs across different locations.

Definition: A Local Area Network $LAN$ is a network infrastructure covering a small geographical area, typically owned and managed by a single organization.

Example: A school network connecting computers in different classrooms and administrative offices is a typical LAN implementation.

Highlight: Organizations can efficiently share resources like printers and files across all connected devices in a LAN.

Vocabulary: WAN $Wide Area Network$ - A network that connects multiple LANs across different geographical locations.

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