The location of the supplier communication equipment connected to the power supply output breaker of the equipment room should be determined according to which of the following options? (Multiple Choice)

If you are sitting in the back seat of the car, there is no need to wear a seat belt.

How many memory boards does the RH5885 V3 support when installing 2 CPUs?

RH5885H V3 PCIE supports hot plugging.

Which of the following should be noted when handling goods? (Multiple choice)