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network topologies

A LevelComputer Science~5 min read

Overview

This lesson explores various network topologies, which define the physical or logical arrangement of nodes and connections within a network. Understanding these structures is crucial for designing efficient, reliable, and scalable computer networks, impacting performance, cost, and fault tolerance.

Introduction to Network Topologies

Network topology refers to the **arrangement of the various elements (links, nodes, etc.)** of a computer network. It is the schematic description of the arrangement of a network, including its nodes and connecting lines. Topologies can be categorized as either **physical** or **logical**. * **Ph...

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Key Concepts

  • Network Topology: The physical or logical arrangement of nodes and connections in a network.
  • Physical Topology: The actual layout of cables and devices in a network.
  • Logical Topology: How data flows through the network, independent of the physical layout.
  • Bus Topology: All devices share a single communication line (backbone cable).
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Exam Tips

  • Be able to **draw and label diagrams** for Bus, Star, and Ring topologies. Clearly indicate devices, cables, and central components.
  • For each topology, be prepared to discuss its **advantages and disadvantages** in detail. Focus on aspects like cost, reliability, performance, and ease of management/troubleshooting.
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