Gary is concerned about unauthorized people entering the company’s building. of the following, which would be most effective in preventing this? a) alarm systemsb) fencingc) camerasd) security guards

D. Security guards

Explanation:

Physical security means to deny entry into any premises to unauthorized personnel in order to avoid any suspicious and hazardous situation. It is utmost important now a day due to critical law and order situation.  

Options:

A.Alarm systems: Are not so reliable and smart because they can be tampered easily  

B.Fencing: Might be a good option in a remote or rural location but in an urban area it would be very unpleasing sight and also it requires more space which is usually very limited

C.Cameras: It is a good option since it provides evidence in the form of video recording but the above objective will still not be achieved if there is no human intervention available at the premises to stop the intruder. Another problem is of CCTV is blind spots.

D.Security Guards: This option seems to be most reliable to get the job done. Security guard provides multi-sensory response and real time actions with prompt response. There are no blind spots in this case. Can be given tailored instructions unlike alarm systems.

i will say b. laboratory technician   and if wrong then sorry

to be honest its playstation. it has a lot of games