📋 IT Fundamentals Cheat Sheet

Quick reference for CompTIA ITF+ core concepts.

Why This Cheat Sheet Matters for TECHPLUS

This cheat sheet covers the most important Core IT Concepts concepts tested on the TECHPLUS (ITF+) certification exam. It contains 1 sections with 6 key points. Use this as a quick-reference guide during your final review sessions.

1Sections
6Key Points

Key Concepts

  • Binary: base-2 (0,1). 8 bits = 1 byte.
  • Hexadecimal: base-16 (0-9, A-F). Used for MAC addresses, colors.
  • CIA Triad: Confidentiality, Integrity, Availability.
  • Troubleshooting: Identify → Research → Establish theory → Test → Implement → Verify → Document.
  • RAM is volatile (loses data on power off). Storage (HDD/SSD) is non-volatile.
  • TCP/IP: 4 layers (Application, Transport, Internet, Network Access).

Practice Core IT Concepts Questions

Put your knowledge to the test with practice questions.

CompTIA Acronym Quick Reference

CompTIA exams are packed with acronyms — memorising key acronyms and their meanings is critical. Each exam has an official list of acronyms in the exam objectives document. Focus on acronyms that appear across multiple domains, as these represent the most frequently tested concepts. Our flashcard decks are designed to drill these acronyms efficiently.

More TECHPLUS Cheat Sheets