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IT Fundamentals for Beginners and Career Changers: Computers, Networks, Windows, Linux, IT Security, Cloud, and IT Support Explained
Paperback
General ComputersComputer Security
Publisher: Independently Published
Published: Aug 31 2026
Pages: 202
Weight: 0.61
Height: 0.43 Width: 6.00 Depth: 9.00
Language: English
Build a strong foundation for your IT career - even if you are starting from zero.
IT Fundamentals for Beginners and Career Changers is a practical, easy-to-understand introduction to the core concepts of modern information technology.
Instead of overwhelming you with technical jargon, this book explains how computers, operating systems, networks, security, cloud services, and IT support work together - step by step and in plain English.
Inside this book you will learn:
- How computer hardware, CPUs, RAM, SSDs, and operating systems work
- Windows fundamentals and essential Linux concepts
- Files, folders, permissions, processes, services, updates, and drivers
- Networking fundamentals including LAN, WAN, WLAN, IPv4, IPv6, DHCP, DNS, routing, ports, TCP, UDP, and the OSI model
- How the Internet, websites, URLs, and web servers work
- Active Directory, Microsoft Entra ID, authentication, authorization, and roles
- IT security, MFA, malware, phishing, firewalls, encryption, TLS, backups, and patch management
- Virtualization, virtual machines, cloud computing, IaaS, PaaS, SaaS, and Microsoft Azure
- Systematic troubleshooting and professional IT support
- Command Prompt, PowerShell, Linux Terminal, scripting, APIs, Git, monitoring, and documentation
The book includes 8 practical projects and 150 knowledge questions to help you apply what you learn.
Perfect for:
- Complete IT beginners
- Career changers entering the IT field
- Aspiring helpdesk and IT support professionals
- Students and self-learners
- Anyone who wants a practical foundation before learning cloud, networking, cybersecurity, or system administration
Learn the fundamentals, practice real troubleshooting, and build the confidence you need to take your first steps into IT.
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