By Guillermo Sancosmed
Index
Introduction
Importance of Computer Networks
Types of Computer Networks
Network Protocols and Standards
Network Hardware Components
Network Security Considerations
Network Troubleshooting and Maintenance
Conclusion and Key Takeaways
Introduction to Computer Networks
Computer networks are the backbone of modern communication, enabling the exchange of information, resources, and services across a wide range of devices and locations.
Importance of Computer Networks
Connectivity
Resource Sharing
Increased Productivity
Enhanced Communication
Types of Computer Networks
Metropolitan Area Network (MAN)
Local Area Network (LAN)
A MAN is a network that covers a city or a metropolitan area, larger than a LAN but smaller than a WAN.
A LAN connects devices within a limited geographical area, such as a home, office, or school.
Wide Area Network (WAN)
A WAN spans a large geographical area, such as a country or continent, and connects multiple LANs.
Network Protocols and Standards
TCP/IP
OSI Model
The Transmission Control Protocol/Internet Protocol (TCP/IP) is the primary protocol suite that enables communication over the internet and other networks.
The Open Systems Interconnection (OSI) model provides a standardized framework for network communication, with seven layers.
Wireless Standards
Ethernet
Ethernet is a widely-used network standard for local area networks, defining the physical and data link layers of communication.
Wireless standards, such as Wi-Fi and Bluetooth, enable cable-free connectivity and mobility within computer networks.
Network Hardware Components
Routers
Switches
Modems
Network Adapters
Network Security Considerations
Firewalls
Firewalls monitor and control incoming and outgoing network traffic, protecting the network from unauthorized access.
Encryption
Encryption ensures the confidentiality of data by converting it into a secure, unreadable format during transmission.
Access Control
Access control mechanisms, such as passwords and user authentication, prevent unauthorized access to network resources.
Network Troubleshooting and Maintenance
Hardware Diagnostics
Identifying and resolving hardware-related issues, such as cable faults or malfunctioning network devices.
Software Troubleshooting
Addressing software-related problems, including network configuration errors and application-level issues.
Preventive Maintenance
Implementing regular maintenance procedures to ensure network reliability and performance over time.
Conclusion and Key Takeaways
Connectivity and Communication
Evolving Standards and Technologies
Computer networks are essential for enabling global connectivity and facilitating effective communication in this digital age.
Network protocols and hardware components are constantly evolving, requiring ongoing learning and adaptation.
Importance of Security and Maintenance
Proactive network security measures and regular maintenance are crucial for ensuring the reliability and integrity of computer networks.
Bibliography
https://www.spiceworks.com/tech/networking/articles/what-is-a-computer-network/
https://en.wikipedia.org/wiki/Computer_network
https://www.geeksforgeeks.org/basics-computer-networking/
https://www.youtube.com/watch?v=tSodBEAJz9Y&t=183s
https://www.youtube.com/watch?v=EWTJKcg7Pj8&t=104s
The End
Thank For your Attention
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.
Computer Network
Guillermo Sancosmed
Created on November 24, 2024
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Transcript
By Guillermo Sancosmed
Index
Introduction
Importance of Computer Networks
Types of Computer Networks
Network Protocols and Standards
Network Hardware Components
Network Security Considerations
Network Troubleshooting and Maintenance
Conclusion and Key Takeaways
Introduction to Computer Networks
Computer networks are the backbone of modern communication, enabling the exchange of information, resources, and services across a wide range of devices and locations.
Importance of Computer Networks
Connectivity
Resource Sharing
Increased Productivity
Enhanced Communication
Types of Computer Networks
Metropolitan Area Network (MAN)
Local Area Network (LAN)
A MAN is a network that covers a city or a metropolitan area, larger than a LAN but smaller than a WAN.
A LAN connects devices within a limited geographical area, such as a home, office, or school.
Wide Area Network (WAN)
A WAN spans a large geographical area, such as a country or continent, and connects multiple LANs.
Network Protocols and Standards
TCP/IP
OSI Model
The Transmission Control Protocol/Internet Protocol (TCP/IP) is the primary protocol suite that enables communication over the internet and other networks.
The Open Systems Interconnection (OSI) model provides a standardized framework for network communication, with seven layers.
Wireless Standards
Ethernet
Ethernet is a widely-used network standard for local area networks, defining the physical and data link layers of communication.
Wireless standards, such as Wi-Fi and Bluetooth, enable cable-free connectivity and mobility within computer networks.
Network Hardware Components
Routers
Switches
Modems
Network Adapters
Network Security Considerations
Firewalls
Firewalls monitor and control incoming and outgoing network traffic, protecting the network from unauthorized access.
Encryption
Encryption ensures the confidentiality of data by converting it into a secure, unreadable format during transmission.
Access Control
Access control mechanisms, such as passwords and user authentication, prevent unauthorized access to network resources.
Network Troubleshooting and Maintenance
Hardware Diagnostics
Identifying and resolving hardware-related issues, such as cable faults or malfunctioning network devices.
Software Troubleshooting
Addressing software-related problems, including network configuration errors and application-level issues.
Preventive Maintenance
Implementing regular maintenance procedures to ensure network reliability and performance over time.
Conclusion and Key Takeaways
Connectivity and Communication
Evolving Standards and Technologies
Computer networks are essential for enabling global connectivity and facilitating effective communication in this digital age.
Network protocols and hardware components are constantly evolving, requiring ongoing learning and adaptation.
Importance of Security and Maintenance
Proactive network security measures and regular maintenance are crucial for ensuring the reliability and integrity of computer networks.
Bibliography
https://www.spiceworks.com/tech/networking/articles/what-is-a-computer-network/
https://en.wikipedia.org/wiki/Computer_network
https://www.geeksforgeeks.org/basics-computer-networking/
https://www.youtube.com/watch?v=tSodBEAJz9Y&t=183s
https://www.youtube.com/watch?v=EWTJKcg7Pj8&t=104s
The End
Thank For your Attention
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.