What is the function of a security zone?

The function of a security zone is fundamentally centered around limiting access to sensitive areas for security purposes. Security zones are established to protect critical military facilities, equipment, information, and personnel from unauthorized access and potential threats. By restricting entry to these areas, security zones help to maintain operational integrity and ensure the safety of classified operations and assets. This is particularly vital in a military context, where the confidentiality and security of information can be crucial to national defense.

Creating these zones often involves clear boundaries, which can be enforced through various measures such as signage, physical barriers, and security personnel. Their primary aim is not just to maintain physical security but also to deter potential breaches that could compromise security protocols or lead to espionage or sabotage. This is why the correct answer emphasizes the protective role of security zones within military operations.