CompTIA Network+ Practice Test

The primary purpose of adware and spyware is to keep track of user clicks and deliver targeted advertisements. Adware typically collects information about user behavior, such as the types of websites they visit and their click patterns, to generate revenue through advertising. This data allows advertisers to create tailored ads that are more likely to appeal to specific users based on their interests and online activity.

Spyware, while often more malicious in intent, shares a similar function as it can track a user's browsing habits and gather personal information without consent. This can lead to a more invasive experience, as it may result in unauthorized monitoring and information theft. However, the common thread between both these types of software is their role in gathering information to enhance advertising strategies.

Options related to enhancing computer performance or protecting the system from malware do not accurately reflect the functions of adware and spyware, which typically degrade performance and pose security risks instead. The option regarding providing free software functionality is also misleading since while some adware might accompany free software, it primarily serves the commercial purpose of delivering advertisements.