Top 20 TCP/IP Protocols You Must Know for Networking Jobs

Networking has evolved beyond cables and routers; it's now the backbone of cloud computing, remote work, IoT, 5G, and zero-trust architectures. According to a 2025 report by Cisco, network traffic is expected to surpass 600 exabytes per month, driven by AI workloads, hybrid infrastructures, and edge computing.  Amidst this growth, TCP/IP protocols remain the foundation, …

What is IPsec?

What is IPsec? IPsec (Internet Protocol Security) is a widely recognized network protocol suite that provides secure communication over IP networks, such as the internet. It includes a set of cryptographic protocols to encrypt and authenticate IP packets, ensuring data's confidentiality, availability, and integrity transmitted over the internet or other IP-based networks. It is commonly …