Free CDCP Practice Test Questions 2026

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

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.

An optical fiber cable comes with the specifications 50/125 um.

What do the numbers represent?

A. The first number represents the distance for a 10 Gb/s connection; the second number represents the distance for a 1 Gb/s connection.

B. The first number represents the diameter of the core; the second number represents the diameter of the cladding in microns.

C. The first number represents the diameter of the core; the second number represents the actual diameter cable including the buffer and jacket.

D. The first number represents the required distance to single-phase power cabling; the second number represents the required distance to three-phase cabling.

Which Class of Fires involves cooking appliances?

A. Class A

B. Class B

C. Class C

D. Class K

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

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)

What is the current recommended temperature for ICT equipment as described in the ASHREA TC 9.9 guideline?

A. 8-18 C (46.4 -64.4 °F)

B. 20-40 °C (68 - 104 °F)

C. 18-27 C (64.4 - 80.6°F)

D. 25-45 °C (77 - 113 °F)

Which type of Fire Detection Device is recommended for protecting a Data Center?

A. Heat detector

B. Smoke detector

C. Flame detector

D. None of the above

Which one of the following is an Audible Signaling and Notification Device?

A. Sirens

B. Strobes

C. Alarms

D. Clocks

Mean time between failures is best considered a measure of:

A. Size

B. Cost

C. Duration

D. Reliability

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

A. Ton

B. Watt

C. BTU

D. Horsepower

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

A. Rated-4

B. Rated-3

C. Rated-2

D. Rated-1

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

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.

Does shielded twisted pair network cabling provide protection against EMF from power cables?

A. Yes, but only if the power cable is placed in a tre-foil cable arrangement.

B. Yes, as the shielding for twisted pair network cabling is specifically design for low frequency EMF protection.

C. No, the shielding is designed for alien cross-talk between network cables, it provides no or little protection against low frequency EMF.

D. No, the shielding for twisted pair network cabling is for physical protection against vandalism and accidental cutting of the cable.