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Certified Data Centre Professional (CDCP) Question and Answers

Certified Data Centre Professional (CDCP)

Last Update May 8, 2024
Total Questions : 73

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Questions 1

is the degree to which a system or component is operational and accessibility when required for use.

Options:

A.  

Scalability

B.  

Agility

C.  

Reliability

D.  

Availability

Discussion 0
Questions 2

Which Class of Fire involves combustible metals or combustible metal alloys such as magnesium, sodium and potassium?

Options:

A.  

Class A

B.  

Class B

C.  

Class C

D.  

Class D

Discussion 0
Questions 3

When having two non-synchronized power sources, the ATS / STS need to be of the type:

Options:

A.  

Break before make.

B.  

Make before break.

C.  

Both make before break or break before make can be used.

D.  

Both an ATS and STS can never handle two non-synchronized sources.

Discussion 0
Questions 4

Which one of the following is an AC Power Quality Anomaly?

Options:

A.  

Signal Distortion

B.  

Waveform Distortion

C.  

Backup Condition

D.  

Attenuation

Discussion 0
Questions 5

Which of statements below is true?

Options:

A.  

Single-mode cabling can use both LED and laser as a light source.

B.  

Single-mode cabling is more expensive than multi-mode cabling.

C.  

Multi-mode cabling can cross longer distances.

D.  

Multi-mode cabling is more expensive than single-mode cabling.

Discussion 0
Questions 6

The temperature and humidity values indicated on the display of the Computer room air conditioner unit are the values measured at which point?

Options:

A.  

It is the average value between the intake and exhaust (outlet) of the air conditioner.

B.  

It is the value measured at the intake of the air conditioner.

C.  

It is the value measured at the exhaust (outlet) of the air conditioner.

D.  

It is the value measured at the front of the rack of the aisle the air conditioner is situated.

Discussion 0
Questions 7

When dealing with glass door racks, cool air is injected into the rack from:

Options:

A.  

The rear door in a downflow direction.

B.  

The front door in a downflow direction.

C.  

The top of the rack through the fans and vents mounted inside the rack.

D.  

The bottom of the rack.

Discussion 0
Questions 8

What is the main risk for a data centre when the water supply fails?

Options:

A.  

Failure to the water supply could result in IT failure and/or denial of access to operate.

B.  

Failure to the water supply could result in DX cooling systems to fail.

C.  

Failure to the water supply could cause issues for the cooling of back-up generators.

D.  

Failure to the water supply could result in sudden changes of the relative humidity in the Computer room.

Discussion 0
Questions 9

Which one of the following is an Objective of Data Center Fire Protection?

Options:

A.  

Information

B.  

Representation

C.  

Depression

D.  

Suppression

Discussion 0
Questions 10

Which is the most damaging type of floor load?

Options:

A.  

Concentrated Load / Point Load (CP/ PL)

B.  

Uniformly Distributed Load (UDL)

C.  

Rolling Load (RL)

D.  

All loads are equally damaging to raised floor tiles

Discussion 0
Questions 11

What factor should be considered when placing fluorescent lighting in the data centre?

Options:

A.  

Fluorescent lights should not be connected to the back-up generator.

B.  

Fluorescent lights should only be installed in equipment supporting areas and not in the Computer/Server room.

C.  

Fluorescent lights should not be connected to the mains power supply.

D.  

Fluorescent lights should not be connected to the same UPS that supports the ICT equipment.

Discussion 0
Questions 12

What are the four main components of a refrigeration circuit?

Options:

A.  

Evaporation, membrane filter, monitor sensor, pressure valve

B.  

Evaporator, compressor, condenser, expansion valve

C.  

Condenser, expansion valve, buffer tank, de-icing unit

D.  

Thermostat, monitoring interface, indoor unit, outdoor unit

Discussion 0
Questions 13

What should be considered when using a direct air handler for a data centre?

Options:

A.  

Cost of operation as power consumption on these units tend to be higher compared to traditional air conditioning technology.

B.  

Temperature, humidity and contamination of the outdoor environment.

C.  

Space available inside the computer rooms as the air handler space requirement for the inside the Computer room is quite large.

D.  

The availability of three-phase power due to the high power requirements of these air handler units.

Discussion 0
Questions 14

A fire extinguisher in the data centre is found which is classed as ABC.

Is this suitable?

Options:

A.  

Yes

B.  

Depends on the brand

C.  

Only for fires not related to electrical power

D.  

No

Discussion 0
Questions 15

Which one of the following is a factor that can affect Availability and Reliability?

Options:

A.  

Inadequate Cooling

B.  

Employee Salaries

C.  

Radio Active Waves

D.  

Attenuation

Discussion 0
Questions 16

Measuring "Business Values" begins first with.

Options:

A.  

Physical Infrastructure

B.  

Topology

C.  

Network

D.  

Budget

Discussion 0
Questions 17

Which formula can be used to define risk?

Options:

A.  

Risk = Time * Quality

B.  

Risk = Security * Criminality

C.  

Risk = Impact * Probability

D.  

Risk = Probability * Cost

Discussion 0
Questions 18

Can Electro Magnetic Fields (EMF) cause data centre failures?

Options:

A.  

Yes, high levels of EMF can cause data centre failures.

B.  

No, only power issues will cause data centre failures.

C.  

No, only cooling issues will cause data centre failures.

D.  

Yes, but only EMF caused by lightning strikes.

Discussion 0
Questions 19

Which type of Humidifier suspends quartz lamps over an open pool of water?

Options:

A.  

Infrared Humidifiers

B.  

Water Canister Humidifier

C.  

Steam Canister Humidifier

D.  

Ultrasonic Humidifier

Discussion 0
Questions 20

is the arithmetic mean of time between the failing and the subsequent running of the system in a particular time period.

Options:

A.  

MTBF

B.  

MCBF

C.  

MLBF

D.  

MTTR

Discussion 0
Questions 21

Does unplanned downtime of a data centre have an impact on the business results?

Options:

A.  

No, because data centres operate independently from the business.

B.  

No, unplanned data centre downtime is already financially planned for in the yearly budget planning process.

C.  

Yes, data centre downtime can result in business downtime.

D.  

Yes, but data centre downtime only impacts the airline industry.

Discussion 0