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Free CompTIA Tech+ (FC0-U71) study guide
Everything Ranger’s First Byte teaches for CompTIA Tech+ (FC0-U71), as a guide you can read on any phone or computer: 18 chapters and 90 lessons in plain words, with pictures, exam tips, questions to check yourself and a recap with a memory trick at the end of each chapter.
Read a chapter here, then practice it in the game, where 455 more questions, drills and mock exams show you when you are ready.
Start chapter 1 Play Ranger’s First Byte
- 1The kid who fixes the label printerWhat every computer does · Computers come in many shapes · The Internet of Things · The four jobs every computer does · Picking the right device for the job · The…Objectives 1.1, 2.1
- 2Counting like a computerFour ways to write a number · Units of measure · Four ways to write a number · Bits, bytes, speeds and hertzObjectives 1.2, 1.3
- 3Inside the boxThe parts inside · Storage types · What's inside the box · Where data lives: storage typesObjectives 2.2, 2.3
- 4Plug it inPeripherals around the warehouse · Installing them · Network connections · Peripheral ports · Display ports and screen sharing · Setting up peripherals · Network…Objectives 2.4, 2.5
- 5Maya's troubleshooting playbookThe six steps · Finish the job · Maya's troubleshooting playbook, step by stepObjectives 1.4
- 6Getting the warehouse onlineInternet service types · Network basics · Network devices and models · Getting the building online: internet service types · How a network moves data · Network…Objectives 2.7, 2.8
- 7Wi-Fi that reaches the loading dockWi-Fi standards and bands · Interference and attenuation · Securing a small wireless network · A small wireless network: standards and bands · Locking down the Wi-FiObjectives 2.9, 6.5
- 8Servers you can't seeVirtualization · Cloud concepts · Where systems run · Virtual machines and the cloudObjectives 2.6
- 9What the OS really doesThe OS in the middle · Files and file systems · Who can do what to a file · Behind the scenes · The parts of an operating system · File attributes vs. permissions ·…Objectives 3.1, 3.2
- 10Tools of the tradeSoftware for every job · Browser features, part 1 · Browser features, part 2 · The right software for the job · Browser features: private windows, extensions, cache and…Objectives 3.3, 3.4
- 11The office gets an AI assistantFour ways offices use AI · Everyday uses of AIObjectives 3.5
- 12How the web store is writtenLanguage families · Data types · Kinds of programming languages · Data types: what kind of value is it?Objectives 4.1, 4.2
- 13Variables, loops and a whiteboard flowchartBuilding blocks of code · Planning and logic · Building blocks: variables, arrays, functions and objects · Planning code: pseudocode, flowcharts and logicObjectives 4.3, 4.4
- 14Data is kibble: why Mr. Barkley caresData has value · Why use a database? · Why data is worth money · What a database doesObjectives 5.1, 5.2
- 15Tables, keys and a messy spreadsheetShapes of data and tables · Keys and constraints · Non-relational databases · Tables, keys and how data is shaped · Non-relational databases: key/value and documentObjectives 5.3
- 16The day the laptop diedBackups: what to save and how to get it back · Where backups live · Backups that really workObjectives 5.4
- 17Lock it downSecurity goals and privacy · Authentication, authorization and accounting · Password best practices · Security basics: the CIA triad and AAA · Privacy, PII and GDPR ·…Objectives 6.1, 6.3
- 18Safe devices, secret data and the interviewSecurity awareness and safe devices · Software the right way · Safe browsing · Encryption · Before the big day: the exam · Securing devices and spotting tricks ·…Objectives 6.2, 6.4
- A–ZGlossary337 terms and 146 acronyms, each linked to its lesson
Questions
Is it really free?
Yes. The whole guide and Ranger’s First Byte are free, with no ads and no sign-up. Nothing to download.
How is it organized?
It follows the official CompTIA Tech+ (FC0-U71) exam objectives. Each chapter teaches a group of objectives, then gives you questions to check yourself and a recap with a memory trick.
How should I study with it?
Read a chapter, answer its questions before you open the answers, then play the same chapter in Ranger’s First Byte: drills on what you missed, hands-on practice and timed mock exams show when you are ready.
Are these the real exam questions?
No. Real exam questions are kept secret. These are practice questions written to the published objectives, and every answer is explained.
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CompTIA, Tech+, A+, Network+, Security+ and Linux+ are trademarks of CompTIA, Inc. Ranger Gamez is not affiliated with or endorsed by CompTIA. The practice questions are written to the published exam objectives; they are not real exam questions.