Ontario Security Guard License Practice Test 2025 – 400 Free Practice Questions to Pass the Exam

The common form of physical access control is a lock and key. This method has been used for centuries to regulate who is allowed to enter a specific area or access certain resources. Locks and keys create a physical barrier that can only be bypassed by those who possess the correct key, ensuring that unauthorized individuals are prevented from gaining access. This form of access control is foundational in security practices, as it offers a straightforward and effective way to protect property and information.

While slide cards can also serve as a method of access control, they represent a more modern adaptation that relies on technology. Parameter control typically refers to broader environmental regulations or electronic systems that manage access through various criteria rather than a direct physical barrier, which may not be as commonly recognized as a lock and key. Field alarms, on the other hand, serve more as a notification system rather than a direct method of access control. Thus, the lock and key remains a fundamental and widely understood method for securing physical spaces.