IT Support · Networking · Career Prep

Master IT Support & Networking Fundamentals

Practical tutorials, interview preparation, and troubleshooting guides to help you build real IT support skills and land the job.

Start Learning Interview Questions Troubleshooting Center

Interview Preparation

IT Support Interview Q&A

Technical and behavioral questions with sample answers for IT support roles.

Career

Knowledge Base

TCP/IP Basics

Understanding the protocol suite that powers networking and the internet.

Networking

DNS Explained

How domain names get translated into IP addresses.

Networking

DHCP Fundamentals

How devices automatically receive IP configuration on a network.

Networking

The OSI Model

The 7-layer framework for understanding network communication.

Networking

Active Directory Basics

User accounts, groups, and access management in Windows environments.

Windows / AD

Troubleshooting Guides

Windows Troubleshooting

Common Windows 10/11 issues and step-by-step fixes.

Windows

macOS Troubleshooting

Basic macOS support tasks for IT helpdesk scenarios.

macOS

Linux Basics

Essential Linux commands and concepts for IT support.

Linux

OS & Tools Support

Windows, macOS & Linux

Cross-platform support guides in one place.

Operating Systems

Ticketing Systems

ServiceNow and ITSM concepts for IT support.

Tools

AWS Fundamentals

Core cloud concepts relevant to IT support roles.

Cloud

Hands-On Labs

Simulated Terminal

Practice ping, ipconfig, nslookup, tracert and more.

Practice
TechAI Assistant