You have a Windows Server 2012 server that has been running continuously for several years. You notice that the C: drive has been slowly filling up and is almost out of disk space. No new applications have been installed and all the data files the server uses are stored on the D: drive. No users have permissions to store files on the C: drive and you know that you haven't added any files. What is the most likely reason the C: drive is slowly filling up

Suppose you are an ad-serving company and you maintain a log of cookie data for ads you serve to the web pages for a particular vendor (say amazon). a. how can you use this data to determine which are the best ads? b. how can you use this data to determine which are the best ad formats? c. how could you records of past ads and ad clicks to determine which ads to send to a given ip address? d. how could you use this data to determine how well the technique you used in your answer to part c was working? e. how could you use this data to determine that a given ip address is used by more than one person? f. how does having this data give you a competitive advantage vis-à-vis other ad-serving companies?