Answer:
A virtual privte network is a particular type of network that uses circuits that run over the Internet but that appears to the user to be a private network.
Reduce the speed of the CPU
Answer:
D. a potential hazard
Explanation:
Abrupt changes in road surface or the shape of the road may indicate a potential hazard.
Answer:
Some of the sites have the rating system for example 3 stars, or the bot has a feature that can capture keywords that include a list of possible indicator that it is a negative review. For example if a user review includes a word "bad" or "horrible" the bot will flag that as a negative review.
Please give brainliest.
