Best Free CompTIA Security+ Practice Questions for SY0-701

A practical guide to free Security+ SY0-701 practice questions: what to use, what to avoid, and how to know when you are ready for the real exam.

The Cert Climb TeamEditorial team
5 min read

If you are studying for CompTIA Security+, free practice questions are the fastest way to find out whether your study plan is working. Videos and notes help you learn the vocabulary. Practice questions show whether you can apply it under exam pressure.

The short answer: start with official CompTIA objectives, use a small free question set to diagnose weak domains, then move into mixed timed practice. Cert Climb gives you a free 30-question Security+ trial with no credit card, and the full bank has 1,126 Security+ questions mapped to SY0-701-style topics.

What the Security+ exam actually tests

The current Security+ exam is SY0-701. CompTIA lists a maximum of 90 questions, a 90-minute duration, multiple-choice and performance-based questions, and a passing score of 750 on a 100-900 scale. The official exam page is the source of truth for the current format: CompTIA Security+ certification details.

The five broad domains are:

  1. General Security Concepts
  2. Threats, Vulnerabilities, and Mitigations
  3. Security Architecture
  4. Security Operations
  5. Security Program Management and Oversight

Good practice questions should force you to choose between close answers. Weak practice questions just ask for definitions.

Best free Security+ practice options

1. Cert Climb free Security+ trial

Use this first if you want a quick diagnostic. The Cert Climb Security+ question bank includes 30 free questions with no card required. The full bank has 1,126 questions, topic drills, missed-question review, flashcards, progress tracking, and explanations for why wrong answers are wrong.

Best for:

  • Finding weak domains before you buy anything
  • Practicing scenario recognition
  • Getting explanations on missed questions
  • Deciding whether a larger question bank fits your style

How to use it:

  1. Take the free 30-question trial cold.
  2. Write down every topic you missed.
  3. Re-study those topics for 48 hours.
  4. Run another mixed set when you upgrade or use a second source.

If your first free set is below 65%, do not panic. It means you are still building vocabulary. If you are above 80% and can explain every wrong answer, you are ready for timed mixed practice.

2. Official CompTIA exam objectives

The official objectives are not practice questions, but they are the checklist every practice source should map to. Download them from CompTIA before trusting any question bank.

Use the objectives like a rubric:

  • Can you explain the term?
  • Can you spot it inside a scenario?
  • Can you rule out two plausible distractors?
  • Can you say why the correct answer is better, not just correct?

If a practice bank uses outdated SY0-601 wording without noting the difference, skip it.

3. Professor Messer style review and study groups

Professor Messer is one of the best-known free CompTIA training resources. His Security+ videos and study group replays are useful when a practice question exposes a weak area. Use them as remediation, not as your only active practice.

Best workflow:

  1. Miss a question on access control.
  2. Watch a focused video or replay segment.
  3. Write a short explanation in your own words.
  4. Drill five more questions on that same concept.

4. Vendor sample questions and book companion questions

Some study guides and publishers include sample questions. They are useful, but usually too small to be your main prep source. Treat them as extra reps, not a readiness score.

The problem with tiny question sets is pattern memorization. If you have seen the same 25 items three times, a high score tells you more about memory than exam readiness.

What makes a Security+ practice question good?

A good Security+ question should have four traits:

  • It maps to a real SY0-701 objective.
  • It includes plausible distractors.
  • It explains the wrong answers.
  • It makes you apply a concept to a situation.

For example, a weak question asks:

What does MFA stand for?

A better question asks:

A user logs in with a password and a PIN sent to the same phone. Does this meet true multi-factor authentication?

That second question tests whether you understand factors, not whether you memorized an acronym.

How many practice questions should you do?

Most candidates need 400-800 serious reps before they are ready, depending on background.

Use this rough guide:

  • New to IT: 800+ questions plus foundational networking review
  • IT support background: 500-700 questions
  • Network+ holder: 400-600 questions
  • Existing security role: 250-400 questions, focused on weak domains

Do not chase a giant number by rushing. A reviewed missed question is worth more than five guessed questions.

Readiness benchmarks

You are probably not ready if:

  • You score high only on questions you have seen before.
  • You cannot explain why wrong answers are wrong.
  • You avoid performance-based questions.
  • You run out of time on mixed quizzes.

You are getting close when:

  • You score 80-85% on fresh mixed sets.
  • You can finish 90 questions in 90 minutes.
  • Domain 4 questions no longer feel random.
  • PBQs feel slow but manageable.

A simple 10-day Security+ question plan

Days 1-2: Diagnostic

Run 30-60 mixed questions. Do not study during the quiz. The goal is to expose gaps.

Days 3-5: Domain repair

Pick the two weakest domains and drill them separately. For most candidates, this is Security Operations plus either Architecture or Threats.

Days 6-7: Timed mixed practice

Do 45-60 questions under time. Review every miss. Make a "why I missed it" log.

Day 8: PBQ practice and command output

Review firewall rule order, basic log reading, identity/access scenarios, and incident response sequence.

Day 9: Full simulation

Run one 90-question set. Keep the timer strict.

Day 10: Light review

Review wrong-answer notes, acronyms, and domain weights. Do not cram a brand-new resource.

Bottom line

The best free Security+ practice questions are the ones that make you explain your reasoning. Start with the official objectives, use Cert Climb's free Security+ practice questions as a diagnostic, then keep drilling mixed sets until your score holds on fresh questions.

Free questions should answer one question fast: are you ready, or are you guessing?