Understanding Ethernet and Wi-Fi Network Fundamentals

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This guide explores the essential concepts of Ethernet and Wi-Fi networks. Ethernet can achieve speeds from 10 Mbps to 100 Gbps, using Cat5e cabling with RJ45 connectors as the most common type. In contrast, Wi-Fi is the standard for short to mid-range wireless networking, offering speeds ranging from 11 Mbps to 600 Mbps. While Wi-Fi provides advantages like cost-effectiveness and flexible setup, it also has drawbacks, such as potential security risks and varying speed. Understanding these fundamentals is crucial for efficient network design and implementation.

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May 05, 2026

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Understanding Ethernet and Wi-Fi Network Fundamentals

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Layer 1: Physical Layer Network Fundamentals
Ethernet • Can have speeds between 10Mbps and 100Gbps • Most common type of cabling is Cat5(e) with an RJ45 connector.
Wi-Fi • Most common standard for short to mid range wireless networking. • Speeds between 11Mbps and 600Mbps • Has advantages over cabled networks in terms of cost and area setup. • Drawbacks include security and speed.