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Tech Plus Exam Domains 2026: Complete Guide to All 6 Content Areas

TL;DR
  • Infrastructure is the largest FC0-U71 domain at 24%, so prioritize hardware, networking, and connectivity topics.
  • Security (19%) is the second-heaviest domain - expect it woven into scenario questions across other domains too.
  • The exam has up to 70 questions in 60 minutes, with a scaled passing score of 650.
  • Four of the six domains (IT Concepts, Software Development, Data/Database) are each worth exactly 13%, so don't skip them for Infrastructure alone.

Exam Overview: How the Six Domains Fit Together

The CompTIA Tech+ exam (FC0-U71) is built around six content domains that together define what CompTIA considers "foundational technology literacy." Unlike deeper certifications such as A+ or Network+, Tech+ is intentionally broad - it's designed for high school students, career-changers, and non-IT professionals who need to demonstrate baseline comfort with computers, networks, software, data, and security concepts before moving into more specialized IT roles.

Each domain carries a specific percentage weight on the exam, and those weights are not arbitrary - they tell you exactly how CompTIA expects your study time to be allocated. If you're building a prep plan, this breakdown is more useful than any generic study advice, because it tells you which topics will show up most often among the up to 70 multiple-choice questions you'll see in your 60-minute session.

For a broader walkthrough of exam mechanics, registration, and scoring, see the Tech Plus Study Guide 2026: How to Pass on Your First Attempt. This article focuses specifically on the content - domain by domain.

Quick Reference: FC0-U71 costs $129 through Pearson VUE (test center or OnVUE), contains up to 70 questions, runs 60 minutes, and requires a scaled score of 650 to pass. There's no formal prerequisite.

Domain 1: IT Concepts and Terminology (13%)

This domain establishes the vocabulary you'll need to understand everything else on the exam. It covers how computers process, store, and interpret information - binary and data representation, units of measurement, common troubleshooting methodology, and the terminology used across the IT industry.

IT Concepts and Terminology

Candidates must understand the language and logic underlying computing before moving into hardware or software specifics.

  • Number systems and data representation (binary, decimal, ASCII)
  • Basic logic and troubleshooting methodology steps
  • Common IT terminology, acronyms, and units of measure (KB, MB, GB, TB)
  • Notational systems and how computers interpret input/output

This domain feels abstract compared to the others, but it underpins how questions in Infrastructure and Data domains are phrased. If you're unclear on terminology here, later domain questions will read like a foreign language.

Domain 2: Infrastructure (24%)

Infrastructure is the single largest domain on FC0-U71, accounting for nearly a quarter of the exam. This is where CompTIA tests your understanding of physical and wireless networking, hardware components, peripherals, and connectivity standards.

Infrastructure

The heaviest-weighted domain - expect several questions per test session drawn directly from this content area.

  • Wired and wireless networking basics (Wi-Fi standards, Ethernet, cabling)
  • Common ports, connectors, and cable types
  • Internet service and connectivity concepts
  • Computer hardware components and peripheral devices
  • Cloud computing concepts and basic server/client relationships

Because this domain is worth 24%, it deserves the largest single block of your study time. Candidates who breeze through hardware and networking basics often still stumble on wireless standards or cloud terminology, so don't assume "easy" topics are automatically mastered. For a deeper look at how domain weighting affects overall exam difficulty, read How Hard Is the Tech Plus Exam? Complete Difficulty Guide 2026.

Key Takeaway

Since Infrastructure is worth nearly double the smallest domains, allocate roughly a quarter of your total study hours to networking, hardware, and connectivity topics alone.

Domain 3: Applications and Software (18%)

This domain covers the software side of end-user computing: operating systems, application types, file management, and how software is installed, licensed, and maintained across common platforms.

Applications and Software

Focuses on practical, everyday software literacy rather than deep systems administration.

  • Operating system types and basic configuration (Windows, macOS, Linux, mobile OS)
  • File extensions, file management, and compression concepts
  • Application architecture (desktop, web, mobile)
  • Software licensing models (subscription, open source, proprietary)
  • Collaboration and productivity software basics

Expect scenario-based questions here - for example, identifying the correct file type for a task or recognizing which licensing model fits a given business situation. This domain rewards candidates who've actually used multiple operating systems rather than just memorized definitions.

Domain 4: Software Development Concepts (13%)

This is often the most unfamiliar domain for non-programmers, but Tech+ only expects conceptual understanding - not coding ability. You'll need to recognize programming logic, common constructs, and the software development lifecycle at a high level.

Software Development Concepts

Tests literacy in programming logic and process, not hands-on coding skill.

  • Programming constructs: variables, loops, conditionals, functions
  • Common data types and how they're used in code
  • Software development lifecycle stages (planning, development, testing, deployment)
  • Basic scripting concepts and their real-world applications

Because this domain is worth the same 13% as IT Concepts and Data Fundamentals, don't let its unfamiliarity cause you to over- or under-study it relative to its actual weight. A moderate, steady review pass is usually sufficient.

Domain 5: Data and Database Fundamentals (13%)

This domain covers how data is organized, stored, and retrieved - including basic database structures, data types, and the difference between structured and unstructured data.

Data and Database Fundamentals

Focuses on foundational data literacy rather than advanced SQL or database administration.

  • Database types (relational vs. non-relational) and basic terminology
  • Data types, fields, records, and tables
  • Data collection, storage, and basic querying concepts
  • Data backup and redundancy fundamentals

Candidates coming from non-technical backgrounds sometimes find this domain surprisingly approachable once they see it's about organizing information logically, not writing complex queries.

Domain 6: Security (19%)

Security is the second-largest domain and touches nearly every other content area on the exam. Rather than testing deep enterprise security practices, it evaluates whether you understand basic threats, best practices, and physical/digital security hygiene.

Security

Nearly one-fifth of the exam - and concepts here frequently overlap with Infrastructure and Applications questions.

  • Common threats: malware, phishing, social engineering
  • Authentication concepts: passwords, multifactor authentication, biometrics
  • Physical security and device security basics
  • Data protection, encryption fundamentals, and safe browsing practices
  • Business continuity and backup concepts as they relate to security

Because Security concepts often appear embedded in Infrastructure or Applications scenarios, treat this domain as a lens you apply across the whole exam, not an isolated topic. Understanding exactly what score you need to pass can help you gauge how much margin you have if one domain (like Security) feels weaker than others.

Domain Weighting: Where to Spend Your Study Hours

Domain weight is the single best predictor of how many questions you'll see on a given topic. Here's how the six domains stack up:

DomainWeightRelative Priority
Infrastructure24%Highest - largest single domain
Security19%High - concepts recur across other domains
Applications and Software18%High - broad, practical content
IT Concepts and Terminology13%Moderate - foundational vocabulary
Software Development Concepts13%Moderate - conceptual only
Data and Database Fundamentals13%Moderate - basic data literacy

Notice that Infrastructure, Security, and Applications together account for more than 60% of the exam. That doesn't mean you can ignore the other three domains - each is still worth 13%, enough to swing your scaled score meaningfully - but it does mean your review order should generally start with the heavyweights.

A Domain-Based Study Schedule

Rather than a generic weekly template, map your study time directly to domain weight. Here's one way to sequence a four-week plan around the FC0-U71 objectives:

Week 1

Infrastructure + IT Concepts

  • Networking basics, hardware components, and connectivity standards
  • Review terminology and number systems to build vocabulary for later domains
Week 2

Security + Applications and Software

  • Authentication, malware types, and physical security basics
  • Operating systems, file management, and licensing models
Week 3

Software Development + Data/Database Fundamentals

  • Programming logic constructs and SDLC stages
  • Database types, data organization, and backup concepts
Week 4

Full Review and Practice Exams

  • Take timed practice tests to simulate the 60-minute, 70-question format
  • Revisit weakest domain based on practice results

This sequencing front-loads the highest-weighted domains while still leaving dedicated time for the three 13% domains before your final review week. For more detail on pacing and daily study habits, see the full Tech Plus Study Guide.

What the Questions Actually Look Like

FC0-U71 uses straightforward multiple-choice questions - there are no performance-based simulations like you'll find on higher-level CompTIA exams. Most questions fall into one of three styles:

  • Definition-based: "Which term describes...?" - testing direct recall of terminology from Domain 1 or 5.
  • Scenario-based: A short situation (e.g., a user can't connect to Wi-Fi) followed by a question about the most likely cause or best next step - common in Infrastructure and Security.
  • Identification-based: Matching a description to a hardware component, file type, or security threat.

With up to 70 questions in 60 minutes, you have roughly 51 seconds per question on average - comfortable if you know the material, tight if you're second-guessing terminology. Practicing under timed conditions matters more for this exam than for longer certification tests, simply because there's less buffer time to recover from slow starts.

Registration Note: Tech+ is administered by Pearson VUE, either at a physical test center or via OnVUE remote proctoring, for a $129 exam fee. There's no required prerequisite, though CompTIA recommends it for high schoolers and career-changers building foundational tech literacy.

If you're still deciding whether this certification is the right starting point, the guides on Is the Tech Plus Certification Worth It? Complete ROI Analysis 2026 and Tech Plus Certification Cost 2026: Complete Pricing Breakdown lay out the full cost-benefit picture. For a one-page reference you can review the night before your test, bookmark the Tech Plus Cheat Sheet 2026.

Once you understand each domain's content and weight, the best way to confirm readiness is repeated exposure to exam-style questions across all six areas. Working through timed practice sets on our Tech+ practice test platform lets you see exactly which domains need more review before you commit to a testing date. You can also check current testing windows and scheduling options once you're ready to lock in an exam appointment.

Frequently Asked Questions

Which Tech+ domain has the most questions?

Infrastructure, at 24% of the exam, is the largest domain, followed by Security at 19% and Applications and Software at 18%.

Do all six domains need to be studied equally?

No. Domain weight should guide your time allocation - Infrastructure, Security, and Applications together make up more than 60% of the exam, so they deserve more study time than the three 13% domains.

Does the Software Development Concepts domain require coding skills?

No. It tests conceptual understanding of programming logic, data types, and the software development lifecycle rather than hands-on coding ability.

How many questions come from each domain on a given exam?

CompTIA doesn't publish an exact per-domain question count, but with up to 70 total questions, the percentage weights indicate roughly how many questions each domain contributes proportionally.

Is the current exam version still FC0-U71?

Yes. The current objectives are FC0-U71 version 2.0, and candidates should confirm they're studying materials aligned to this version before their exam date.

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