问题 20
What are the two main applications for ac (alternate current)?

问题 21
Which one of the following measures the real power drawn by the load equipment?

问题 22
If a waveform period is determined to be 10 microseconds in duration, what is the frequency of the signal?

问题 23
Which mounted system is used to cool small IT environments?

问题 24
Which mounted system can use any of the five heat removal methodologies?

问题 25
___________ protects electrical equipment from damage caused by overload or short circuit.

问题 26
Which one of the following Volt Configurations support commercial environments and data centers?

问题 27
______________ security means keeping unauthorized or ill-intentioned people out of places that they do not belong.

问题 28
True or False: Human error is a major cause of data center downtime

问题 29
Which one of the following uses sensors such as laser beams or touch sensor?

问题 30
Which one of the following is an advantage of Glycol Cooled System?

问题 31
Which one of the following is a Physical Security Device?

问题 32
AC is more easily distributed than DC. This is because:

问题 33
Which type of outlet is used for non-computing devices?

问题 34
Which system in Air Distribution System takes the hot exhaust air from the IT equipment to the CRAC

问题 35
What is a Data Center?

问题 36
Which one of the following is an advantage of using Natural Gas?