A simple and friendly explanation of TCP vs UDP with real-life examples, features, use cases, and FAQs for beginners.
Last Update: December 8, 2025
A simple, friendly, and complete guide to understanding Network Security Groups (NSG) in Azure using real examples.
Last Update: December 8, 2025
A simple beginner-friendly guide explaining what Telnet and SSH are, why SSH is more secure, the key differences, ports, real-life office examples,
Last Update: December 8, 2025
Learn how to create an AWS Free Tier account and claim $100 free credits valid for six months. This detailed guide by Attari Classes covers prerequisites, step-by-step setup, and FAQs to get you started with AWS risk-free
Last Update: July 25, 2025
Windows Active Directory (AD) is a service developed by Microsoft for Windows domain networks. It is included in most Windows Server operating systems as a set of processes and services. Initially, Active Directory was used only for centralized domain management. However, Active Directory eventually became an umbrella title for a broad range of directory-based identity-related services.
Last Update: October 3, 2024