Joe, a User, Returns His Computer to the Technician Who

Multiple Choice

Joe, a user, returns his computer to the technician who performed a virus removal on it the week before. Joe states that several symptoms have returned. Which of the following should the technician have covered previously as part of the original repair?

A) End-user education
B) Pre-installation environment cleaning  
C) Disabling of System Restore
D) Infected system quarantine