Networking Fundamentals

Networking Fundamentals

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1. Introduction to Networking

Learn about the history and evolution of networking technologies and how modern communication systems rely on networks. This section provides a comprehensive overview of how devices communicate and share resources efficiently across different types of networks.

What is Networking?

Types of Networks

Understanding Network Topologies

Networking Hardware

2. IP Addressing and Subnetting

Discover the fundamental role of IP addressing in identifying devices on a network and how subnetting helps optimize network efficiency. This section covers the basics of IP addressing, introduces subnetting techniques to segment networks, and explores how these concepts contribute to smooth communication across connected devices.

Introduction to IP Address

Understanding Subnetting

Practical Subnetting Exercises

Network Address Translation (NAT)

3. Network Protocols and Standards

Explore the foundational rules and protocols that govern how data is transmitted and received over networks. This section delves into essential networking models, such as the OSI Model and the TCP/IP Model, while covering widely-used protocols like HTTP, FTP, and DNS. Understanding these protocols ensures that devices communicate effectively, regardless of their underlying technologies, creating seamless interactions between global networks.

OSI Model Review

Common Network Protocols

Wireless Networking Standards

4. Network Security

Learn how to protect networks from cyber threats by implementing essential security measures. Explore firewalls, intrusion detection systems, and encryption techniques to safeguard data. This section also covers securing both wired and wireless networks, helping you maintain robust network security in various environments.

Introduction to Network Security

Firewall and Intrusion Detection Systems (IDS)

Encryption and VPNs

Securing Wireless Networks

5. Network Troubleshooting and Management

Discover the essential tools and techniques used to diagnose and resolve network issues. Learn how to identify and address common network problems, monitor performance, and ensure networks are running optimally. This section will also cover best practices for maintaining a network and keeping it secure.

Network Troubleshooting Tools

Diagnosing Network Problems

Monitoring Network Performance

Maintaining a Network

Conteúdo do Curso

Networking Fundamentals

Networking Fundamentals

1. Introduction to Networking

What is Networking?Types of Networks Understanding Network Topologies Networking Hardware

2. IP Addressing and Subnetting

Introduction to IP Address Understanding Subnetting Practical Subnetting Exercises Network Address Translation (NAT)

3. Network Protocols and Standards

OSI Model Review TCP/IP Model Common Network Protocols Wireless Networking Standards

4. Network Security

Introduction to Network Security Firewall and Intrusion Detection Systems (IDS)Encryption and VPNs Securing Wireless Networks

5. Network Troubleshooting and Management

Network Troubleshooting Tools Diagnosing Network Problems Monitoring Network Performance Maintaining a Network Overview

Wireless Networking Standards

Wireless networking standards are essential for facilitating seamless communication between devices without the need for physical connections. Some of the most widely used standards include Wi-Fi, Bluetooth, 5G, and Zigbee.

Wi-Fi (802.11 standards) enables high-speed internet access, evolving over time with versions like 802.11n, 802.11ac, and the latest 802.11ax (Wi-Fi 6), which offers faster speeds and better performance, especially in crowded environments.

Bluetooth supports short-range communication for personal devices, such as headphones, speakers, and smartwatches, allowing quick, low-power data transfers.

Cellular networks, including 4G LTE and 5G, have transformed mobile communication by delivering faster speeds, lower latency, and increased capacity, with 5G supporting emerging technologies like IoT, smart cities, and autonomous vehicles.

Lastly, Zigbee is designed for low-power, short-range communication and is frequently used in smart home systems, creating reliable mesh networks that connect devices like lights, thermostats, and security cameras efficiently.

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Seção 3. Capítulo 4

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