NETWORK TOPOLOGY

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NETWORK SECURITY

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  NETWORK SECURITY  Network security consists of the policies, processes, and practices adopted to prevent, detect, and monitor unauthorized computer networks and network-accessible resources. Network security incorporates various technologies, processes, and devices into a broad strategy that protects the integrity, confidentiality, and accessibility of computer networks. SOME EXAMPLES OF SECURITY NETWORK ARE 1. Malware: Harmful software such as viruses, worms, Trojans, ransomware, and spyware. 2. Phishing and Social Engineering: Tricks used to obtain sensitive information or spread malware. 3. Man-in-the-Middle (MitM) Attacks: Unauthorized interception of communication between users. 4. Denial of Service (DoS/DDoS) Attacks: Flooding systems with traffic to make them unavailable to legitimate users. 5. Unpatched Software and Weak Passwords: Security weaknesses caused by outdated systems and easily guessed credentials. A vulnerability is a weakness in the network infrastructur...
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INTRODUCTION

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Welcome to our collaborative platform dedicated to exploring the core architecture of modern communication: Computer Networks. In today’s hyper-connected world, networks serve as the invisible backbone of global communication, commerce, and daily life. This blog was created as a major collaborative group project to break down the complexities of network infrastructure into a comprehensive, structured guide. Meet the Group Behind the Project We are a team of 10 dedicated students who have joined forces to design, develop, and curate this academic resource hub. Bringing together our diverse perspectives, academic insights, and shared passion for technology, we have built this blog from the ground up—from the initial layout configuration to the deep-dive technical content. To ensure every technical concept gets the depth it deserves, our 10-member group has split the curriculum into dedicated focus areas. Each individual module of this project is spearheaded by a specific author from our ...
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INTRODUCTION TO COMPUTER NETWORKS.

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1. What is a Computer Network? A computer network is a group of interconnected computing devices (computers, servers, smartphones, IoT gadgets) that communicate to share resources and data. These connections can be wired (copper cables, fiber optics) or wireless (Wi-Fi, Bluetooth, satellites). The network uses a set of rules called protocols (like TCP/IP) to ensure data is sent, received, and understood correctly. 2. Why are Networks Essential in Today’s World? Networks are the digital backbone of modern life because they enable: · Communication: Instant emails, video calls, and messaging across the globe. · Resource Sharing: Access to shared printers, files, and cloud storage without physical transfer. · Information Access: The Internet itself—providing endless data, education, and news. · E-commerce & Banking: Secure online transactions, digital payments, and stock trading. · Remote Work & Collaboration: Tools like Zoom, Google Docs, and VPNs that let teams work from anywhere...
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