Please pass the sun reflector

You have recently upgraded the CPU in one of your servers, including a heat sink and a CPU fan. Unfortunately, the temperature of the CPU is getting very hot during normal operation. Which of these is most likely the cause of this overheating?

1-2-3-4 pressure

You need to install a new CPU, but you’re concerned about damaging the motherboard. Which microprocessor interface requires the least amount of motherboard pressure during installation?