Workplace Security and Environmental Controls NDE Practice Questions (Page 2)

Questions 6–10

1. 6application · medium

   A contractor arrives at the front desk to perform maintenance on the HVAC system. The contractor has a valid work order but is not on the visitor pre-approval list. The receptionist is busy and asks the contractor to wait in the lobby. What should the receptionist do before allowing the contractor into the building?

   • AIssue a temporary badge and let the contractor enter unescorted because the work order is valid.
   • BCall the HVAC vendor to confirm the contractor's employment before issuing a badge.
   • CVerify the contractor's identity and work order, then issue a visitor badge and escort the contractor to the HVAC room.
   • DAllow the contractor to proceed because the work order is valid and the HVAC room is not a sensitive area.
   Reveal Solution Discussion Select an answer first
2. 7expert · hard

   A data center has a fire suppression system that uses a gas agent. The facility manager wants to ensure that the system is effective while minimizing the risk to personnel. What is the most important consideration?

   • ATest the system monthly by discharging a small amount of gas.
   • BUse a water-based sprinkler system instead of gas.
   • CInstall smoke detectors only, and rely on manual fire extinguishers.
   • DEnsure that the gas agent is safe for occupied spaces and that evacuation procedures are in place.
   Reveal Solution Discussion Select an answer first
4. 8application · medium

   A data center operator notices that the humidity in the server room has dropped to 20% during a dry winter. The operator is concerned about electrostatic discharge (ESD) damaging equipment. What should the operator do first?

   • AInstall additional air conditioning units to lower the temperature.
   • BAdjust the humidification system to raise relative humidity to the recommended range (e.g., 40–60%).
   • CIncrease airflow from the ventilation system to dry out the room further.
   • DPower down all servers until the humidity returns to normal.
   Reveal Solution Discussion Select an answer first
5. 9application · medium

   A data center is located in a region with high humidity. The facility manager wants to protect equipment from condensation and static electricity. What is the most effective environmental control to implement?

   • AInstall a humidistat-controlled HVAC system that maintains relative humidity between 40% and 60%.
   • BUse dehumidifiers only, to keep humidity as low as possible.
   • CRely on air conditioning to cool the room without monitoring humidity.
   • DInstall anti-static mats on the floor only.
   Reveal Solution Discussion Select an answer first
6. 10application · medium

   A company wants to secure the entrance to its office building. Which combination of physical controls provides the strongest defense-in-depth?

   • AA CCTV camera only, with no door lock.
   • BA single high-security lock with no other controls.
   • CA locked door, a security guard, and a CCTV camera at the entrance.
   • DA sign that says 'Private Property' and a welcome mat.
   Reveal Solution Discussion Select an answer first