Which of the following functions uses electronic tag technology to provide real-time statistics on the location of power distribution, air conditioning, refrigeration and other infrastructure?

The asset management module of NetEco management system can manage the life cycle status of equipment in the computer room. Which of the following asset change processes does not fall within the scope of NetEco 's asset management?

Huawei air-cooled air conditioners (25kw and 42kw) have one indoor unit corresponding to one outdoor unit

What are the components of a lightning protection device? (Multiple choice)

The alarms of the dynamic environment monitoring system usually have different levels.