APC APC Certifications DU0-001 Questions & Answers

• Question 81:

  Which fire class consists of fires of ordinary combustible materials such as paper, wood, cloth, and some plastics?

  A. Class A

  B. Class B

  C. Class C

  D. Class D

  Correct Answer: A

• Question 82:

  Which fire class involves live electrical equipment?

  A. Class A

  B. Class B

  C. Class C

  D. Class D

  Correct Answer: C

• Question 83:

  What are three data center attributes that impact the selection of a fire protection system? (Choose three.)

  A. The presence of a raised floor

  B. Number of air changes per hour

  C. The rated capacity of the UPS system

  D. The number of double insulated windows

  E. Proximity of the data center to other buildings

  Correct Answer: ABE

• Question 84:

  What does NFPA mean?

  A. National Fire Prevention Agency

  B. National Flammable Protection Act

  C. National Fire Protection Association

  D. National Firefighter and Paramedic Alliance

  Correct Answer: C

• Question 85:

  Which two practices help prevent data center fires? (Choose two.)

  A. Using an FM-200 clean agent

  B. Mandating a no-smoking policy

  C. Avoiding the use of acoustic foam

  D. Using trash receptacles without covers

  Correct Answer: BC

• Question 86:

  What are the three elements of the fire triangle? (Choose three.)

  A. Fuel

  B. Heat

  C. Smoke

  D. Oxygen

  E. Nitrogen

  Correct Answer: ABD

• Question 87:

  What are the three stages of combustion? (Choose three.)

  A. Incipient

  B. Back draft

  C. Thermal flux

  D. Intense heat

  E. Visible smoke

  Correct Answer: ADE

• Question 88:

  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.)

  A. Acoustic foam

  B. Trash receptacle

  C. Plenum rated cables

  D. Recessed sprinkler heads

  Correct Answer: AB

• Question 89:

  Which type of smoke detector has the highest sensitivity to particles of combustion (capable of detecting concentrations as low as 0.003% obstruction per foot)?

  A. Duct smoke detector

  B. Spot type smoke detector

  C. Ionization smoke detector

  D. Air sampling smoke detector

  Correct Answer: D

• Question 90:

  What are three functions of a data center fire protection system? (Choose three.)

  A. Detect the presence of a fire

  B. Automatically opens all fire doors

  C. Suppress the fire and limit any damage

  D. Communicate the threat of fire to occupants and authorities

  E. Automatically activate the emergency power off (EPO) button

  Correct Answer: ACD