Why is it important for a Security Guard to possess a thorough knowledge of the geography of the area to be patrolled?

To determine where telephones, water shut$-$off valves, and electrical and alarm panels are located

To find out where light switches are located

To know where emergency equipment, such as back$-$up generators, first aid kits, fire alarms, hydrants, and extinguishers, are located

All of the above