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

Contenido del 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

Introduction to IP Address

An example of a home network involves using a router to connect various devices, such as laptops, phones, and smart TVs. In contrast, offices often utilize switches to connect multiple computers and printers within a Local Area Network (LAN), facilitating efficient resource sharing and communication.

IP Addressing Fundamentals

An IP address is a numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication. Each IP address serves two main functions: identifying the host or network interface and providing the location of the host in the network.

Activity: Checking Your IP Address

Objective: Understand how to check both your public and private IP addresses.

Instructions

Finding Your Private IP Address (Windows):
- open the Command Prompt by typing cmd in the search bar;
- type ipconfig and press Enter;
- look for the IPv4 Address under your network adapter. This is your private IP address:
Finding Your Public IP Address:
- visit a website like whatismyipaddress.com or simply search "What is my IP" in Google;
- your public IP address will be displayed. This address is assigned by your Internet Service Provider (ISP) and is how devices on the internet can communicate with your network.

Outcome

By completing this activity, you will gain a better understanding of how to locate both your private and public IP addresses, a foundational skill in network troubleshooting and management.

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Sección 2. Capítulo 1

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