Which of the following source present a risk factor for virus infection on a PC? (Choose two)

A. A floppy disk received from a friend.

B. A downloaded file from the internet.

C. FDISK/MBR file on the hard drive.

D. . DLL file that was loaded with a new machine.

E. .CAB file that was loaded with the new machine.

Answer: A, B

A groan grasps the peanut near the offending anthology.