Answer:
Option c is the correct answer for the above question.
Explanation:
The clickstream is used to identify the activity of the host of all websites. It is used to keep the records of every website and every page of the host or users of the computer. The above question wants to ask about the techniques which are used to monitor the information of the host or customer. This technique is clickstream. So the option c is the correct answer, while the other is not because:-