APC APC Certifications DU0-001 Questions & Answers

• Question 71:

  What are three characteristics that a data center manager should look for when selecting a clean agent suppression system? (Choose three.)

  A. Pre-action valve

  B. Non-conductive agent

  C. Minimal storage footprint

  D. Zero ozone depletion potential

  E. Manual operation requirement

  Correct Answer: BCD

• Question 72:

  Which two describe an air sampling smoke detection system? (Choose two.)

  A. It is made up of a network of pipes.

  B. It uses magnetic resonance imaging.

  C. It is generally located in wiring closets.

  D. It automatically compensates for changing environments.

  Correct Answer: AD

• Question 73:

  Which statement is correct about using Halon as a fire suppression agent in data centers?

  A. It is lethal to humans.

  B. It damages the ozone layer.

  C. It is corrosive to computer equipment.

  D. It is conductive and may cause computer faults.

  Correct Answer: B

• Question 74:

  In fire suppression systems, which two clean agents are composed entirely of inert gas(es)? (Choose two.)

  A. FE-13

  B. Inergen

  C. FM-200

  D. Carbon dioxide

  Correct Answer: BD

• Question 75:

  Which two clean agents are commonly specified for data center fire suppression? (Choose two.)

  A. Inergen

  B. FE-130

  C. FM-200

  D. Halon 1211

  Correct Answer: AC

• Question 76:

  Which suppression system is most common in existing data centers?"

  A. Water sprinkler system

  B. Halon total flooding system

  C. Carbon dioxide total flooding system

  D. Water mist mercury switch sensor system

  Correct Answer: A

• Question 77:

  What are three characteristics of a water mist suppression system? (Choose three.)

  A. Requires manual activation

  B. Uses minimal storage space

  C. Discharges very fine water droplets

  D. Is popular in industrial environments

  E. Extinguishes fire by absorbing oxygen

  Correct Answer: BCD

• Question 78:

  Click the Exhibit button.

  

  What does the exhibit represent?

  A. UPS control panel

  B. Pneumatic door opener

  C. Emergency power off (EPO) button

  D. Fire suppression de-activation (FSD) button

  Correct Answer: C

• Question 79:

  Which describes an intelligent spot type smoke detector?

  A. Changes the tone of the alarm depending on the heat intensity of a fire

  B. Allows location-specific information to be sent to the central control station

  C. Regulates the amount of air entering the sensor chamber to minimize false alarms

  D. Uses wireless technology similar to RFID which requires fewer detectors per unit area

  Correct Answer: B

• Question 80:

  A previously built data center inherited the existing wet pipe sprinkler system. There are smoke detectors in the data center and the local authority having code jurisdiction mandates a sprinkler system in the data center.

  How can you further protect the data center's IT equipment while meeting the mandated requirements?

  A. Replace the wet-pipe sprinkler system with a FM-200 system.

  B. Replace the wet-pipe sprinkler system with a pre-action system.

  C. Install linear heat detectors along the cable trays in addition to the existing sprinkler system.

  D. Install heat detectors next to each of the sprinkler heads and then connect them to the fire control panel.

  Correct Answer: B