What is the difference between foreground and background processing?Select one: a$.$ All of the listed options. b$.$ GP refresh process that affect users interaction with system in runtime are called foreground processes. Every other type of refresh process are called background GP refresh process. c$.$ Foreground processing is GP refresh process that occurs after some fixed time interval $($default $90$ minutes$)$ on Windows workstations.Background processing only occurs when the machine starts up or when the user logs on$.$ This process happens in background and user cannot see anything while process is going on$.$ d$.$ Foreground processing only occurs when the machine starts up or when the user logs on$.$ Some policy areas $($also called Client Side Extensions $($CSEs$))$ can only run during foreground processing. Examples of these include Folder Redirection, Software Installation and Group Policy Preferences Drive Mapping. In contrast, background processing is that thing that occurs every $90$ or so minutes on Windows workstations, where GP refreshes itself periodically.