Category Archives: Technology

Be better at subnetting and routing

In traditional subnetting, you divide a network into equal-sized subnets using a fixed subnet mask. For example, if you have a Class C network (e.g.,, you can divide it into multiple subnets, each with 256 (2^8) addresses. By mastering IP subnetting techniques like VLSM, Supernetting, CIDR, and summarization you can use IP addresses with…

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Virtual Private Networks

Virtual Private Network (VPN) technologies are used to establish secure and encrypted connections between devices and networks, typically over the internet. VPNs can be used to protect data privacy, bypass internet censorship, and access restricted content. Here is a comparison of some popular VPN technologies: OpenVPN: OpenVPN is a free and open-source software application that…

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