Answer:
The correct option is;
The technician should measure the time it takes to start the system using a normal boot and compare that time against the time for the system to perform a clean boot.
Step-by-step explanation:
Clean boot is the process of starting the Windows operating system where the number of drivers as well as startup programs enabled are minimal in order to ascertain if the cause of a slow system startup is due startup interfering programs or drivers
A clean boot operating system startup and a startup in Safe Mode are similar with the difference being the higher level of control on what to run during start up offered by clean boot to aid troubleshooting startup issues.