Which of the following best describes a group of computers that are in close proximity to each other on the same network?

A technician is reviewing log files to track the number of times that a specific user has logged on to the networks. Which of the following security concepts is being used? 

A programmer designs an application to record user actions in a log file for proper tracking. Which of the following best describes the recording component of the application? 

Which of the following represents the largest unit of storage?  

Which of the following is used to securely transfer files over the internet?