Physical Security ICSSCADA Practice Questions (Page 5)

Questions 21–25

1. 21foundation · easy

   Which of the following is a key element of a physical security policy for contractors working on ICS equipment?

   • ARequiring contractors to sign a non-disclosure agreement (NDA) and undergo background checks
   • BAllowing contractors to work without supervision to speed up repairs
   • CProviding contractors with unrestricted access to all areas
   • DExempting contractors from following safety procedures
   Reveal Solution Discussion Select an answer first
2. 22foundation · easy

   What is the primary function of an intrusion detection system (IDS) in a physical security context?

   • ATo control access using biometric authentication
   • BTo monitor network traffic for cyber attacks
   • CTo provide backup power during outages
   • DTo detect unauthorized physical entry into protected areas
   Reveal Solution Discussion Select an answer first
4. 23foundation · easy

   Which of the following is a common physical threat to ICS/SCADA environments?

   • ASQL injection attacks on web interfaces
   • BDenial-of-service attacks on the corporate network
   • CPhishing emails targeting operators
   • DUnauthorized access to control rooms or field enclosures
   Reveal Solution Discussion Select an answer first
5. 24expert · hard

   A new electrical substation is being designed. The site is in a remote area with a history of copper theft. The SCADA equipment includes RTUs and a communication rack. The design must balance the need for physical protection against theft and the need for maintenance access by field technicians. Which design approach best addresses both concerns?

   • ABury the communication cables and install the RTUs underground
   • BLeave the equipment in the open to allow easy maintenance access
   • CPlace the RTUs and communication rack inside a locked, reinforced equipment enclosure with a tamper alarm and a separate access log for technicians
   • DInstall a high fence around the entire substation and no other controls
   Reveal Solution Discussion Select an answer first
6. 25expert · hard

   A data center with SCADA servers has a gas-based fire suppression system. The system uses a clean agent that removes oxygen. A fire alarm triggers, and the suppression system discharges while a technician is still inside the room. What is the most important safety consideration?

   • AUse a water-based suppression system instead to avoid oxygen depletion
   • BMake sure the technician has a gas mask available in the room
   • CDisable the fire suppression system until the technician leaves
   • DEnsure that the technician can exit quickly and that the system has a pre-discharge alarm and delay
   Reveal Solution Discussion Select an answer first