A computer network is a system of interconnected computing devices that communicate with each other to share resources, exchange data, and enable remote access. Networks vary in size, complexity, and scope, from small local networks within a building to massive global networks like the Internet. 🔑 Core Concepts 🧩 Types of Computer Networks 1. Local […]
Secure communication refers to the transmission of information between parties in a manner that prevents unauthorized access, alteration, or interception. Its objective is to ensure that messages remain confidential, authentic, and intact during transmission across potentially hostile environments such as public networks. In modern systems, secure communication relies on cryptographic protocols, authentication mechanisms, and network
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