🌐 Network Protocols — The Language of the Internet 💻📡 Network protocols define how devices communicate, share data, and maintain secure connections. Understanding them is key for cybersecurity professionals, network engineers, and ethical hackers. 🧠 📡 Common Protocols You Should Know: 🔹 HTTP/HTTPS – Web communication & secure browsing 🔹 FTP/SFTP – File transfer and remote management 🔹 SMTP/IMAP/POP3 – Email communication 🔹 DNS – Domain name resolution 🔹 DHCP – Dynamic IP assignment 🔹