Category: General

  • What is the OSI model and how important is it in networking?

    Data Networking is a way of electronically moving data from one location to another location. From a high-level view, it includes several protocols interconnected to move the information from one device to another one and it also includes hardware. The Open Systems Interconnection (OSI) Model is a reference model that provides standardization to Data Networking. […]

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  • General concepts to study Cryptography

    Cryptography is a wide topic. Sometimes beginners don’t know where to start. In this article, I’ll explain the main concepts and some recommendations that will facilitate the understanding of this important area of knowledge. What is cryptography? The word Cryptology is derived from the Greek Kryptos, which means hidden and logos, which means word. In other words, […]

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