220-902 – Q233

After successfully removing malware from a user’s Windows OS PC, a technician confirms the machine had been infected for many months. Two weeks after removing the malware, the malware inadvertently returns. The technician MOST likely forgot to:

A. install antivirus updates
B. disable and enable System Restore
C. update the firewall rules
D. quarantine the system for 30 days

Correct Answer: A