The use of technology to observe a user's actions often without the user's knowledge is known as: A) Unauthorized access
B) Industrial espionage
C) Computer surveillance
D) Denial-of-service attack

To become an audio technician, the most successful tactics might include the following. (select all that apply). learning how to persuade other people gaining different types of experience in audio technology learning as much as possible about art history establishing a reputation as a reliable professional