Master the Basics of Networking

🌐 What is a Network?
Connects two or more devices to share data and resources.

Types: LAN | WAN | MAN | PAN | CAN

🔌 Switches – Direct traffic in a LAN using MAC addresses.
Types: Unmanaged | Managed | Smart | Layer 3

📡 Routers – Connect networks and route data packets.
Routing: Static | Dynamic | Default

📁 VLAN – Creates isolated virtual networks on the same switch.
Types: Default | Data | Voice | Management | Native

🔗 Trunking – Carries multiple VLANs over one physical link.
Types: 802.1Q | ISL

📶 EtherChannel – Combines links for more bandwidth & redundancy.
Types: PAgP | LACP | Static

🌲 STP (Spanning Tree Protocol) – Prevents network loops in switches.
Types: STP | RSTP | MSTP

🚧 ACL (Access Control List) – Filters traffic based on rules.
Types: Standard | Extended | Named

🌍 NAT (Network Address Translation) – Converts private IPs to public.
Types: Static | Dynamic | PAT

🔐 VPN (Virtual Private Network) – Secure remote access over the internet.
Types: Site-to-Site | Remote Access | SSL | IPSec