Practice mode Computer Security and Viruses

Which tool is most commonly used to restrict access to a computer system?

Correct answer A. Passwords

Explanation

Passwords are the most widely used access control because they are simple and cheap: a user must supply the correct secret string before the system grants entry.

Report a problem

Answer checked 11 October 2026 How we write and check questions

Tip: press A, B, C or D to answer, and N for the next question.

Which tool is most commonly used to restrict access to a computer system?

Discussion

Have a question about this answer? Cancel reply

Which tool is most commonly used to restrict access to a computer system?

More Computer Security and Viruses questions

What is the measurement of features such as fingerprints and retinal patterns, used for security access, called?

What is an application that collects information about a user and sends it to someone over the Internet called?

What is a logic bomb called when it is triggered by a time-related event?

What eventually brings a worm to a halt?

Discussion

Have a question about this answer? Cancel reply