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IT & cloud · 17 free questions

CompTIA Security+ Basics Practice Questions

Practice core security thinking: threats, access, risks and safer systems.

Intermediate · Free

Learn the basics, then practise

Start with a short round or try all 17 original practice questions. You can learn one answer at a time or take a timed round.

What you will practise

Security controls4 questions
Identity3 questions
Threats3 questions
Incident response4 questions
Risk3 questions

Key ideas to know

  • Know confidentiality, integrity and availability.
  • Use multi-factor authentication and least-privilege access.
  • Phishing, malicious software and social engineering target people as well as systems.
  • An incident response plan supports detection, containment, recovery and learning.

Try three sample questions

What is the principle of least privilege?

Answer: Give only access needed for work

Restricting permissions reduces damage from mistakes or compromised accounts.

Which is an example of multi-factor authentication?

Answer: Password plus an authenticator app code

MFA combines distinct categories of proof, such as something known and something possessed.

What does encryption help protect?

Answer: Data confidentiality

Encryption makes information unreadable without the right key.

Practise all 17 questions →

Official exam resources

This is independent practice, not leaked or actual exam questions.