Data Center University Associate Certification (DU0-001) Practice Test

Questions # 31:

What are three benefits of rack-oriented cooling architecture? (Choose three.)

Options:

It reduces CRAC fan power required.

It utilizes the entire rated CRAC capacity.

It eliminates the need for humidity control.

It is easy to deploy for high density applications.

It reduces the number of air conditioning devices.

Questions # 32:

In network data cabling, what is currently the medium of choice for short cable runs?

Options:

Arcnet

Copper

Ethernet

Twisted pair

Questions # 33:

What is an advantage of choosing a four-post open frame rack over a two-post open frame rack?

Options:

Lower cost

Smaller footprint

Easier assembly

Increased strength

Questions # 34:

What is an advantage of a large floor mount systems?

Options:

Plugs into wall outlets

Highest capacity units

Rapid redeployment to a different location

Does not take away from IT equipment space

Questions # 35:

Which physical security method is most secure?

Options:

Coded lock

Ordinary key

Fingerprint reader

Contactless smart card

Questions # 36:

In three-phase power, by how many degrees are the three basic power waveforms offset?

Options:

120

180

Questions # 37:

According to the Ideal Gas Law, what happens to the temperature and pressure inside an aerosol can that is being sprayed?

Options:

Temperature and pressure both increase.

Temperature and pressure are decreased.

Temperature and pressure are unchanged.

Temperature is unchanged and pressure is decreased.

Questions # 38:

Which method will allow IT and Facilities to monitor every aspect of the data center?

Options:

Enterprise management system (EMS) only

Network-critical physical infrastructure (NCPI) only

EMS and building management systems (BMS) through an NCPI element manager

Enterprise management system (EMS) and building management systems (BMS) with integrated backbone

Questions # 39:

You are asked to assess a data center's risk of fire. Upon a visual inspection of the data center you notice several areas of concern.

Which two should you address? (Choose two.)

Options:

Acoustic foam

Trash receptacle

Plenum rated cables

Recessed sprinkler heads

Questions # 40:

Click the Exhibit button.

Question # 40

This picture illustrates which type of cooling architecture?

Options:

Hybrid

Row

Rack

Room

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