Computer Network

By Guillermo Sancosmed

Conclusion and Key Takeaways

Network Troubleshooting and Maintenance

Network Security Considerations

Network Protocols and Standards

Network Hardware Components

Types of Computer Networks

Importance of Computer Networks

Introduction

Index

Computer networks are the backbone of modern communication, enabling the exchange of information, resources, and services across a wide range of devices and locations.

Introduction to Computer Networks

Enhanced Communication

Increased Productivity

Resource Sharing

Connectivity

Importance of Computer Networks

A MAN is a network that covers a city or a metropolitan area, larger than a LAN but smaller than a WAN.

Metropolitan Area Network (MAN)

A WAN spans a large geographical area, such as a country or continent, and connects multiple LANs.

Wide Area Network (WAN)

Local Area Network (LAN)

A LAN connects devices within a limited geographical area, such as a home, office, or school.

Types of Computer Networks

Wireless standards, such as Wi-Fi and Bluetooth, enable cable-free connectivity and mobility within computer networks.

Wireless Standards

Ethernet is a widely-used network standard for local area networks, defining the physical and data link layers of communication.

Ethernet

The Open Systems Interconnection (OSI) model provides a standardized framework for network communication, with seven layers.

OSI Model

TCP/IP

The Transmission Control Protocol/Internet Protocol (TCP/IP) is the primary protocol suite that enables communication over the internet and other networks.

Network Protocols and Standards

Network Adapters

Switches

Routers

Modems

Network Hardware Components

Access control mechanisms, such as passwords and user authentication, prevent unauthorized access to network resources.

Access Control

Encryption ensures the confidentiality of data by converting it into a secure, unreadable format during transmission.

Encryption

Firewalls monitor and control incoming and outgoing network traffic, protecting the network from unauthorized access.

Firewalls

Network Security Considerations

Implementing regular maintenance procedures to ensure network reliability and performance over time.

Preventive Maintenance

Addressing software-related problems, including network configuration errors and application-level issues.

Software Troubleshooting

Identifying and resolving hardware-related issues, such as cable faults or malfunctioning network devices.

Hardware Diagnostics

Network Troubleshooting and Maintenance

Proactive network security measures and regular maintenance are crucial for ensuring the reliability and integrity of computer networks.

Importance of Security and Maintenance

Network protocols and hardware components are constantly evolving, requiring ongoing learning and adaptation.

Evolving Standards and Technologies

Computer networks are essential for enabling global connectivity and facilitating effective communication in this digital age.

Connectivity and Communication

Conclusion and Key Takeaways

https://www.youtube.com/watch?v=EWTJKcg7Pj8&t=104s

https://www.youtube.com/watch?v=tSodBEAJz9Y&t=183s

https://www.geeksforgeeks.org/basics-computer-networking/

https://en.wikipedia.org/wiki/Computer_network

https://www.spiceworks.com/tech/networking/articles/what-is-a-computer-network/

Bibliography

Thank For your Attention

The End

Modem

A modem is a networking device that enables a computer or network to connect to the internet by converting digital data from your devices into a signal that can be transmitted over a specific type of communication line, such as a telephone, cable, or fiber-optic line.

Router

A router is a crucial networking device that connects multiple networks and manages data traffic between them. Its primary role is to ensure data packets are efficiently transmitted from a source device to a destination device across interconnected networks.

Switch

A switch is a networking device used to connect multiple devices within a single network, such as computers, printers, and servers. Its main role is to facilitate communication between devices by intelligently forwarding data packets to the appropriate destination within the network.

Network Adapters

A network adapter is a hardware component (or sometimes software) that allows a device, such as a computer, printer, or gaming console, to connect to a network. It acts as the interface between the device and the network, enabling communication over wired or wireless connections.