Programming

Networking Cheat Sheet: Essential Concepts | Thakur Adarsh Singh posted on the topic | LinkedIn

Averages and Venn Diagrams

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SQL

Statistics is the study of the collection, analysis, interpretation, presentation, and organization of the large data. The statistical theory defines a statistic as a function of the sample data where the function itself is independent of the sample’s distribution.

A chi-squared test is a statistical hypothesis test used in the analysis of contingency tables when the sample sizes are large. In simpler terms, this test is primarily used to examine whether two categorical variables are independent in influencing the test statistic.

Switch vs Hub vs Router – When to Use What? Switch vs Hub vs Router – What’s the Difference? In networking, using the right device is crucial for speed, efficiency, and security. Here's a breakdown of the three core devices often confused: 📦 HUB 🔁 Works on Layer 1 (Physical Layer) 📡 Broadcasts data to all ports—no filtering ❌ No intelligence; causes collisions & network lag ⚙️ Used in legacy networks (rare today) ✅ Use When: Only for basic, small lab setups or outdated systems ❌...

OSI LAYERS AND ATTACKS

Top 12 System Hacking Tools explores essential tools used by cybersecurity professionals and ethical hackers to assess and secure systems. This guide highlights their features and applications for penetration testing, vulnerability analysis, and system security enhancement, empowering professionals to fortify defenses against cyber threats. A must-know for those in IT security and ethical hacking domains.