Which of the following are key responsibilities of a security officer?

The key responsibilities of a security officer primarily revolve around maintaining safety and security in a given environment. This includes patrolling assigned areas to deter and detect suspicious activity, monitoring security systems to ensure they are functioning properly, enforcing rules and regulations to maintain order, and being prepared to respond effectively to incidents as they occur.

These responsibilities are integral to the role of a security officer as they directly contribute to the protection of individuals and property. The ability to respond to incidents promptly not only helps in resolving issues quickly but also prevents potential escalation. Operational tasks like patrolling and monitoring help build a more secure environment, which is essential in any security-related position.

In contrast, other responsibilities listed, such as planning events, designing systems, or managing payroll, fall outside the typical scope of a security officer's duties and are generally associated with different roles or positions within an organization. Consequently, the focus remains on the proactive and reactive measures taken by security personnel to ensure a safe environment.