Course description

Networking involves connecting computers and devices to share data, resources, and applications, forming the basis of modern communication. Key hardware components include routers, switches, hubs, and cables. Networks can be classified as LAN (Local Area Network) for localized connectivity or WAN (Wide Area Network) for more extensive, global links. The Internet is the most notable example of a WAN, uniting millions of networks across the world.

Data transmission relies on protocols like TCP/IP to ensure standardized communication. Wireless networking, such as Wi-Fi, enables flexible, cable-free connections, while high-speed technologies like fiber optics and 5G improve data transfer rates. Network security is vital, using tools like firewalls, encryption, and VPNs to safeguard against threats and ensure data protection.

Cloud computing depends heavily on networking, allowing access to data and services remotely over the internet. Networking also supports modern business practices like remote work and real-time collaboration. The rise of IoT (Internet of Things) has expanded networking further, enabling smart devices and sensors to communicate, creating highly interconnected ecosystems that enhance everyday life and business operations.

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