CompTIA A+ Core 1 Practice Questions: Security

6 free, exam-style CompTIA A+ Core 1 (220-1101) practice questions covering Security. Each question shows the correct answer and a clear explanation. Ready for the real thing? Take the full timed quiz below.

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Q1. Which type of malware replicates itself across networks?

Explanation: A worm is a type of self-replicating malware that spreads automatically across networks without needing user intervention. Unlike a virus, it doesn’t require a host file and can quickly infect multiple systems, often exploiting security vulnerabilities. Learn more.

Q2. Which type of malware encrypts a user's files and demands payment for the decryption key?

Explanation: Ransomware is a type of malicious software designed to block access to a computer system or encrypt data until a sum of money is paid. Learn more.

Q3. What is the most secure wireless encryption standard currently available for consumer Wi-Fi?

Explanation: WPA3 (Wi-Fi Protected Access 3) is the latest standard, offering better protection against password guessing and improved encryption compared to WPA2. Learn more.

Q4. Which authentication factor is represented by a fingerprint scan?

Explanation: Biometrics such as fingerprints are inherence factors, commonly described as something you are. Learn more.

Q5. Which firmware security feature helps prevent unsigned bootloaders from starting?

Explanation: Secure Boot verifies bootloader signatures before allowing the system to continue startup. Learn more.

Q6. What does a TPM provide for a modern PC?

Explanation: A Trusted Platform Module can securely store cryptographic keys used by features such as disk encryption. Learn more.

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