What is Network ?

🔌 What is Network? | A Quick Guide for Beginners & Tech Enthusiasts

Whether you're just starting in networking or preparing for certifications like CCNA or CompTIA, this visual simplifies the most essential networking components:

📡 Network – A system that links two or more devices to share data and resources.
🔁 Router – Directs data between networks using static, dynamic, or default routing.
🧩 Switches – Connect devices within a LAN (Local Area Network). Types: unmanaged, managed, smart & 3.
📶 VLAN (Virtual LAN) – Segments the network into logical groups for security and efficiency.
🧵 Trunking – Allows VLANs to travel across a single link.
📊 EtherChannel – Combines multiple physical links into one logical link to increase bandwidth.
🌲 STP (Spanning Tree Protocol) – Prevents loops in a network.
🚦 ACL (Access Control List) – Filters network traffic by allowing or denying data packets.

🧠 This image breaks it all down for you — perfect for beginners or revision before interviews/exams!

✨ Tip: Save this infographic and refer to it during your networking journey.