Which of the following is a software program that collects email addresses of users and creates a
mailing list to send unwanted emails to the users?
A.
Adware
B.
Port scanner
C.
Malware
D.
Spambot
Explanation:
Spambot is a software program that collects email addresses of users and creates a mailing list to
sent unwanted emails to the users.
Answer C is incorrect. The term malware refers to malicious software, which is a broad class of
malicious viruses, including spyware.
Malware is designed to infiltrate or damage a computer without the consent of the owner.
Answer B is incorrect. A port scanner is a software tool that is designed to search a network host for
open ports. This tool is often used
by administrators to check the security of their networks. It is also used by hackers to compromise
the network and systems.
Answer A is incorrect. Adware is software that automatically downloads and display advertisements
in the Web browser without user
permission. When a user visits a site or downloads software, sometimes a hidden adware software is
also downloaded to display
advertisement automatically. This can be quite irritating to user. Some adware can also be spyware.