An External red team member conducts a penetration test, attempting to gain physical access to a large
organization 's server room in a branch office. During reconnaissance, the red team member sees a clearly marked door to the server room, located next to the lobby, with tumbler lock. Which of the following is BEST for the red team member to bring on site to open the lock door as quickly as possible without casing significant damage?
A. Screwdriver set
B. Bump key
C. RFID duplicator
D. Rake picking.