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Exin CDCP Dumps

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Total 73 questions

Certified Data Centre Professional (CDCP) Questions and Answers

Question 1

Sprinkler heads used in computer rooms activate at what temperature?

Options:

A.

57 °C (135 °F)

B.

27 °C (81 °F)

C.

70 C (158 °F)

D.

Only on direct contact with a flame

Question 2

Which one of the following does a Physical Infrastructure consists of in a Data Centre?

Options:

A.

Hub

B.

Switch

C.

Rack

D.

Server

Question 3

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.

Question 4

Do I need to check the local standards if I already comply to international standards?

Options:

A.

Local standards do not to be checked as some countries have too many local standards, which will slow down the data centre construction.

B.

You need to check the local standards to ensure compliance to these standards.

C.

Compliance to only international standards is good enough as most local standards are derived from international standards.

D.

Data centres only need to comply to international standards since they are connected to a worldwide international network infrastructure.

Question 5

IP protection grades consist of two numbers.

Which levels of protection do they describe and what is the best protection?

Options:

A.

First digit; protections against the ingress of solid objects. Second digit; protection against ingress of water/fluids. The lower the number the better the level of protection.

B.

First digit; protections against the ingress of solid objects. Second digit; protection against ingress of water/fluids. The higher the number the better the level of protection.

C.

First digit; protections against the ingress of water/fluids. Second digit; protection against ingress of solid objects. The higher the number the better the level of protection.

D.

First digit; protections against the ingress of water/fluids. Second digit; protection against ingress of solid objects. The lower the number the better the level of protection.

Question 6

What is the purpose of a service corridor?

Options:

A.

To create a secure and conditioned environment where media can be stored in a controlled manner.

B.

It is a generic name for pathways leading to other rooms that contains facility supporting equipment like the UPS room, battery room, generator room etc.

C.

It provides a safe, vented and secure area where standby generators can operate safely.

D.

It provides a secure area where supporting facilities can be serviced and monitored on a 24x7 basis without disturbing the computer room.

Question 7

Mean time between failures is best considered a measure of:

Options:

A.

Size

B.

Cost

C.

Duration

D.

Reliability

Question 8

From the list below, which sensor detects smoke the fastest?

Options:

A.

Photoelectric detector

B.

VESDA/HSSD

C.

lonization detector

D.

Sprinkler bulbs

Question 9

Which source is used in fiber cable to transmit data?

Options:

A.

Signals

B.

Electric

C.

Light

D.

Pulse

Question 10

The UPS vendor is offering the latest model of their UPS to you. The vendor indicates that the UPS is categorized as VFD class.

Is this UPS a fit for your mission-critical data centre?

Options:

A.

Yes

B.

No

C.

Yes, but only if you oversize the battery bank with 10%.

D.

Yes, but only if they install it with a 12-pulse rectifier.

Question 11

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

Question 12

What is the recommended location for the Isolation Transformer in relation to the ICT-Equipment location?

Options:

A.

The isolation transformer should be as close as possible to the ICT equipment but taking into account potential EMF.

B.

The isolation transformer should be as far away as possible to the ICT equipment to avoid potential EMF.

C.

The isolation transformer has to be installed within the power entry point of the building due to electrical code (regulation) requirements.

D.

The isolation transformer should be installed within the rack in which the ICT equipment has been installed.

Question 13

Which Class of Fires involves energized electrical equipment?

Options:

A.

Class A

B.

Class B

C.

Class C

D.

Class K

Question 14

What is the most preferred unit of measure for cooling capacity?

Options:

A.

Ton

B.

Watt

C.

BTU

D.

Horsepower

Question 15

Which one of the following is a device that uses circulating chilled water to remove heat?

Options:

A.

Computer Room Air Handling Unit (CRAH)

B.

Computer Room Air System Unit (CRAS)

C.

Computer Room Air Suspension Unit (CRAS)

D.

Computer Room Air Suppression Unit (CRAS)

Question 16

What is the main advantage of busbar trunking compared to stand electrical cabling?

Options:

A.

Busbar trunking is less expensive.

B.

Busbar trunking has a fixed power rating.

C.

Busbar trunking allows for flexibility.

D.

Busbar trunking can be located both overhead and under the raised floor.

Question 17

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

Question 18

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.

Question 19

Starting from which Rating does the requirement of Concurrently Maintainability becomes relevant?

Options:

A.

Rated-4

B.

Rated-3

C.

Rated-2

D.

Rated-1

Question 20

Which one of the following is a Natural Disaster?

Options:

A.

Grid Failure

B.

Blackouts

C.

Hurricanes

D.

Human Error

Question 21

Which design consideration should be implemented with an Inergen-based fire suppression system?

Options:

A.

Install protective covers around the nozzles to avoid accidental gas dumps.

B.

Install the gas containers (tanks) close to the data centre.

C.

To use Inergen only for fires which are not related to electrical power.

D.

Pressure relief valves are required in the room that needs protection.

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Total 73 questions