How to know weather parameter is a "static or dynamic parameter"

Goto the T-code RZ11 in SAP system.

Below screen will be open "Maintain Planning Parameters".

Enter the parameter name and click on display.
Ex: rdisp/gui_auto_logout: This parameter used to logout the user after a specific duration. If the user is inactive.

What is Dynamic and Static profile parameter in SAP

Basically there are 2 types of parameters :

• Static (RZ11)
• Dynamic(RZ12) 

Static are the parameters those won't take effect immediately the value is set. Restart of an sap system is required for them to take effect. 

Dynamic are the parameters those will take effect immediately in the run time. Restart of an sap system is not required for them to take effect.

How to determine weather parameter is static or dynamic?

To know weather the parameter is a static or dynamic parameters.

Run the report "TPFYPROPTY" in t-code SE38.

Display the table go to technical content .

Enter the letter "x" in DYNAMIC and then execute.

This result will display all the parameters that can dynamically adjustable.

Note: 

How to know weather parameter is a "static or dynamic parameter"