The correct answer is: A. warm
A warm boot is a restart of a computer that is already powered on. It is also known as a soft reboot or a restart. To perform a warm boot, press the Ctrl+Alt+Del keys simultaneously.
A cold boot is a restart of a computer that is powered off. It is also known as a hard reboot or a power cycle. To perform a cold boot, press and hold the power button for 5 seconds.
A shutdown is the process of powering off a computer. To perform a shutdown, click the Start button, click the power icon, and then click Shut down.
A system up is the process of starting up a computer. To perform a system up, press the power button.
None of the above is a correct answer.
