IT certification prep: CompTIA A+, Network+, Security+, CySA+, and Linux Essentials
IT Certification Exams · 2 courses with practice quizzes
Entry-level IT credentials validate hardware, networking, security, and Linux fundamentals employers expect before specialized roles. Practice each exam on its own course page with objectives-aligned quizzes.
What IT Certification Exams covers
CompTIA exams include performance-based simulations. Linux Essentials from LPI focuses on command-line literacy and open-source concepts rather than enterprise administration depth.
Who uses IT certification practice
- Help desk and support technicians moving into networking or security
- Students in community college or bootcamp IT tracks
- Career changers documenting baseline skills for recruiters
IT certification workflow
- Pick one exam and download the vendor objective PDF
- Use the course below for quizzes; open section guides for timing and domain tips
- Schedule the live exam after timed practice meets your target
Courses in IT Certification Exams
Each course links to practice quizzes on Poker Exams. Where section study guides are published, you will see links to those in-depth pages as well.
CompTIA
Practice quizzes and rationales for CompTIA, organized by subject so you can study one topic at a time.
Linux Certification Exam
Practice quizzes and rationales for Linux Certification Exam, organized by subject so you can study one topic at a time.
Section study guides
IT exam strategies
- Simulations first: on test day, do not let PBQs consume the entire clock.
- Network+: know ports, protocols, and subnetting at troubleshooting depth.
- Security+: scenario questions reward the best control, not the buzzwordiest term.
Common prep mistakes in this category
- Collecting certifications on paper without lab practice
- Using expired objective lists after a code refresh
- Skipping Linux command practice in favor of flashcards only
IT certifications: frequently asked questions
- Do I need A+ before Security+?
- CompTIA recommends progression, but many candidates pass Network+ or Security+ when experience supports it. Diagnose weak domains first.