The area that holds all the instructions the computer needs to start up when it is powered on is b) ROM
Further Explanation:
RAM and ROM are the types of memory. RAM is the active memory. The data can be read and written from RAM. While ROM is read only which meas that data or instructions on ROM cannot be changed.
The files or instructions that are needed to start up a computer are usually unchangeable as they always have to be the same. These type of instructions are stored in ROM. When he computer is turned on, the instructions needed to start the computer are loaded into the main memory from the ROM.
Based on the information provided within the question it can be said that if the administrator does not want to wait she can use the command gpupdate /force. This command allows the individual to update both the local Group Policy settings and Active Directory-based settings. This the force tag makes it so that the policy is immediately update.