Which of the following actions qualify as a Denial-of-Service (DoS) attack? A) Flooding a network to prevent legitimate network traffic. B) Disrupting internet connection services to targeted users. C) Knowingly introducing a virus into a local standalone computer system.

Which of the following actions is NOT performed by malware?

Deceptive programs that appear to perform one useful function, but secretly perform malicious activities, are known as:

Which of the following can be categorized as malicious software (malware)? I. Spyware II. Keyloggers III. Ransomware IV. Trojan horses