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CompTIA Security+ — free MCQ practice

Choose from 30 questions across 1 subjects and 4 topics. Open any question for its answer and worked solution, or keep learning through bite-sized lessons and reviews with Quill.

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CompTIA Security+ subjects

Cybersecurity (30)

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CybersecurityCybersecurity FoundationsInformation SecurityInformation Technology

Try a CompTIA Security+ question

Viruses, worms, Trojans, spyware and botnets that damage machines or open unauthorised access are grouped as:Read the answer and worked solution →A fake email posing as a bank asks a customer for her login details. That trick is:Read the answer and worked solution →On an unsecured public network, an attacker quietly sits between two parties and intercepts their traffic. That attack is:Read the answer and worked solution →A web form allows crafted input to reach the database and run hostile code. Databases must be protected against:Read the answer and worked solution →

Worked practice questions

Viruses, worms, Trojans, spyware and botnets that damage machines or open unauthorised access are grouped as:

  1. Malware
  2. Firmware
  3. Freeware
  4. Shareware
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Correct answer: A. Malware

1. All of them are hostile software. 2. Damage or unauthorised access is the aim. 3. They are malware. _Source: OpenStax Introduction to Computer Science, Chapter 14, Cyber Resources Qualities and Cyber Computing Governance._

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A fake email posing as a bank asks a customer for her login details. That trick is:

  1. Patching
  2. Phishing
  3. Pairing
  4. Polling
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Correct answer: B. Phishing

1. It is a form of social engineering. 2. The message pretends to be legitimate. 3. It is phishing. _Source: OpenStax Introduction to Computer Science, Chapter 14, Cyber Resources Qualities and Cyber Computing Governance._

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On an unsecured public network, an attacker quietly sits between two parties and intercepts their traffic. That attack is:

  1. Middle listener
  2. Password spray
  3. Brute forcing
  4. Buffer overflow
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Correct answer: A. Middle listener

1. Two parties think they talk directly. 2. Data is stolen in transit. 3. It is the middle listener attack. _Source: OpenStax Introduction to Computer Science, Chapter 14, Cyber Resources Qualities and Cyber Computing Governance._

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How to practise

  1. Choose a CompTIA Security+ question and try to work out your answer.
  2. Open the question to check the correct answer and read its worked solution.
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