Data Center University Associate Certification
Questions, Answers, Braindumps (DU0-001)
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Which physical security method is most secure?
A. Coded lock
B. Ordinary key
C. Fingerprint reader
D. Contactless smart card
Which two criteria make bar code cards a good choice?
A. Low budget
B. Low security requirement
C. High security requirement
D. Frequently changing access privileges
What is the primary security disadvantage of a bar code
A. High cost
B. Easily damaged
C. Easy to counterfeit
D. Does not have a picture
What is the highest cost UPS configuration?
A. System + system
B. Parallel redundant
C. Isolated redundant
D. Distributed redundant
What is the difference between an undervoltage and a
A. A sag lasts less time than an undervoltage condition.
B. A sag has less of a voltage drop than an undervoltage
C. A sag is due to downstream loads and undervoltage
is due to the power source.
D. A sag occurs in low voltage distribution and undervoltage
occurs in high voltage distribution.
What is required for the transfer of heat from one object
A. A difference in airflow
B. A difference in volume
C. A difference in pressure
D. A difference in temperature
What does the CFD acronym stand for?
A. Certified Field Dichotomy
B. Circular Flow Determination
C. Computational Finite Deviation
D. Computational Fluid Dynamics
The rear of an IT equipment rack is fitted with a duct
that is connected to a drop ceiling plenum; the plenum
is connected by a duct to the perimeter CRAC unit. The
CRAC unit discharges air into a raised floor. The IT
equipment rack is located above a hole in the raised
floor which allows conditioned air to enter the rack.
This is an example of which type of air distribution
A. Flooded supply, fully ducted return
B. Locally ducted supply, flooded return
C. Flooded supply, locally ducted return
D. Fully ducted supply, fully ducted return
Cooling towers are a typical component of which heat
A. Water cooled system
B. Glycol cooled system
C. Air cooled split system
D. Air cooled self-contained system
What is the primary purpose of data center physical
A. To monitor activities of data center employees
B. To set up proper firewalls and avoid hacking of computers
C. To keep unauthorized people out of places they do
D. To research the background of individuals who visit
the data center
What is an advantage of choosing a four-post open frame
rack over a two-post open frame rack?
A. Lower cost
B. Smaller footprint
C. Easier assembly
D. Increased strength