Briefly describe the four basic types of IT system maintenance.

Suppose you were in charge of aircraft maintenance for a small airline. Briefly describe the four basic types of IT system maintenance. What would be a specific example of each type of maintenance? Which of the four do you think is most important, and why? Describe to the customers what a task, event, and milestone encompass.

  1.  Briefly describe the four basic types of IT system maintenance.
  2. What would be a specific example of each type of maintenance?
  3. Which of the four do you think is most important, and why?
  4. Describe to the customers what a task, event, and milestone encompass.