CompTIA Network+ Practice Test 2025 – Comprehensive Exam Prep

Question: 1 / 675

What is the main function of a keylogger?

To enhance security protocols

To encrypt files for protection

To log every key pressed on a keyboard

The main function of a keylogger is to log every key pressed on a keyboard. This type of software or hardware captures the input from the keyboard and records it, often without the user's knowledge. Keyloggers are typically used for tracking user activity, which can be exploited by cybercriminals to capture sensitive information such as usernames, passwords, and other personal data. While keyloggers can be used for legitimate purposes, such as monitoring employee activity or parental control, their primary function is centered around monitoring and logging keystrokes, making this choice the correct answer.

Other functions mentioned, such as enhancing security protocols, encrypting files, or removing malware, do not align with the defining characteristics of a keylogger, which focuses specifically on tracking keyboard inputs.

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To remove malware from a system

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