Which of the following is a common type of security technology used in jails?

CCTV cameras are a common type of security technology utilized in jails due to their effectiveness in monitoring and ensuring safety within the facility. These cameras provide continuous surveillance of different areas, allowing staff to observe inmate behavior and detect any unusual activities that may indicate safety threats or potential security breaches. The video footage can also serve as critical evidence in investigations of incidents that occur within the jail.

By using CCTV cameras, jail personnel can enhance their ability to manage the facility safely and respond promptly to any issues. Additionally, this technology supports maintaining order and discipline within the jail, as the presence of cameras can deter inmates from engaging in problematic behavior. Overall, CCTV systems are integral to modern jail security operations, reinforcing the physical security measures in place.