CompTIA Security+ Exam Prep

Answer: C - Cipher locks do not have the functionality of laser delay. Commonly-available cipher functionalities include: door delay that is triggered and alerts personnel of suspicious activity if a door is held open for a given time; key override that is a specific combination that can be programmed to be used in emergency situations to override normal procedures or for supervisory overrides; master keying that enables supervisory personnel to change access codes and other features of the cipher lock; and hostage alarm that allows for personnel that are under duress or a hostage to use a special combination that alerts security and police of the situation.