The main topic of the text is the classification and understanding of different computer network types, their topologies, and architectures. It covers the scale and protocols of networks like PAN, LAN, and WAN, and explains the impact of network topologies on performance. The text also delves into network architectures, comparing peer-to-peer and client/server models, and discusses the OSI and TCP/IP models' roles in networking.
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PANs are designed for individual use within a range of about 10 meters, often utilizing Bluetooth technology
LANs connect devices in a limited area such as a home, school, or office, typically using Ethernet or Wi-Fi
WANs cover broad geographic areas and can span cities, states, or even continents, using a combination of public and private networks
The physical topology refers to the actual geometric layout of the devices in a network
The logical topology shows how data flows within the network, regardless of its physical design
Star Topology
In a star topology, each node is connected to a central hub
Bus Topology
In a bus topology, all devices share a common communication line
Ring Topology
In a ring topology, each device is connected to two others in a circular fashion
Mesh Topology
In a mesh topology, devices are interconnected so that there are multiple paths for data to travel between any two nodes
In a P2P network, each device has equivalent capabilities and responsibilities, and can both provide and consume resources
In a client-server architecture, a server provides resources or services, and clients request and consume them
The architecture chosen for a network affects its performance, security, scalability, and cost
The OSI model is a seven-layer framework that standardizes the functions of a telecommunication or computing system
The TCP/IP model is a four-layered framework that is practical and has been the foundation for the development of the internet
Network models are crucial for the design, implementation, and management of networks, providing guidance for the development of universally compatible protocols and closely aligning with the structure of the internet
00
______ (______) are used for individual use and often employ ______ technology within a 10-meter range.
Personal Area Networks
PAN
Bluetooth
01
A ______ (______) typically connects devices in a home or office using ______ or ______ technology.
Local Area Network
LAN
Ethernet
Wi-Fi
02
______ (______) encompass large geographical areas, potentially connecting different cities or countries, through a mix of public and private networks.
Wide Area Networks
WAN
