#networking

An in-depth exploration of network link layer fundamentals including switching, MAC addressing, error detection, LANs, VLANs, and data center architectures with practical protocol interactions.

A comprehensive exploration of wireless and mobile networking fundamentals covering WiFi, cellular networks (4G/5G), Bluetooth, wireless link characteristics, mobility management protocols, handover mechanisms, and performance implications for higher-layer protocols.

An in-depth exploration of computer network security principles, cryptographic techniques, secure protocols, and operational measures to protect networks from threats and attacks.