Low-pressure sodium (LPS) lamps emit a nearly monochromatic yellow light, which severely limits color rendition. This makes them unsuitable for CCTV surveillance where accurate color reproduction is needed.
They are, however, energy efficient and used in some outdoor lighting applications where color accuracy is not critical.
B (Incandescent), C (Fluorescent), and D (Metal halide) all offer better color rendition than LPS lamps, with metal halide being the best for color fidelity.
References:
PSP Study Guide - Lighting for Security and CCTV
POA Manual - Light Sources and Surveillance Compatibility

The four common types of physical lock-down systems for protecting hardware, especially in IT environments, include:
Cages: Enclosures for servers or critical equipment.
Plates: Lock-down plates secured to desks or floors.
Cables: Security cables to tether devices.
Alarms: Motion or tamper-detection systems.
These measures are used to deter theft and unauthorized physical access.
References:
PSP Study Guide - Physical Security of Information Systems
ASIS POA Manual - Equipment Protection Systems

Comprehensive Detailed Explanation:
Pyrolysis is the chemical decomposition of solid materials (often organic) caused by heat. It results in the release of flammable gases or vapors, which can mix with oxygen and ignite. Pyrolysis is a critical process in the early stages of a solid-fuel fire.
Liquidity (A) and Vaporization (B) refer to liquids turning into gas, not solid decomposition.
"None of the above" (D) is incorrect since "Pyrolysis" is the correct term.
References:
ASIS POA Manual - Fire Science and Combustion
PSP Study Guide - Principles of Fire Behavior

When selecting countermeasures, the most important factor is the overall risk posed to the asset or operation.
This includes both the likelihood of a threat and the potential impact. Cost, criticality, and probability are components of the risk equation but are not stand-alone decision criteria.
A (Cost) is important for feasibility but follows risk evaluation.
B (Probability) and C (Criticality) contribute to risk but don't outweigh it individually.
References:
PSP Study Guide - Risk Management and Countermeasure Selection
POA Manual - Integrated Risk Assessment Framework