A technician is troubleshooting a Windows computer experiencing slow startup. Which of the following steps should the technician take first to determine whether startup processes are responsible for the slow startup? A. The technician should permanently disable all startup processes in System Configuration.
B. The technician should measure the time it takes to start the system using a normal boot and compare that time against the time it takes for the system to perform a clean boot.
C. The technician should back up user data and reinstall Windows and all applications.
D. The technician should disable all scheduled tasks in Task Scheduler and reboot the system.