A user logs into a laptop using a username and complex password. This is an example of:

Consider the following statements:

Given the input (userin) of "analyst", to which of the following would the clearance variable be set?

A company executive wants to view company training videos from a DVD. Which of the following components would accomplish this task?

Which of the following is a value that uniquely identifies a database record?

A business would like to create an employee portal that employees will have access to when they are at work.
The employees will not be able to connect to the portal from home without a VPN connection. Which of the following types of application does this describe?