FEMA IS-100.C (ICS 100) COMPLETE EXAM
PREP QUESTIONS AND ANSWERS WITH
RATIONALES – NIMS, INCIDENT COMMAND
SYSTEM, AND FIVE CORE FUNCTIONS STUDY
GUIDE A+ VERIFIED LATEST VERSION
Questions 1–50
1. What is the primary purpose of the Incident Command System (ICS)?
Answer: To provide a standardized approach to incident management.
Rationale: ICS enables coordinated responses among agencies by using common
terminology, organizational structures, and procedures.
2. Which ICS function is responsible for setting incident objectives?
Answer: Command
Rationale: The Command function establishes objectives, priorities, and overall incident
strategy.
3. Which section is responsible for tactical operations at an incident?
Answer: Operations Section
Rationale: Operations carries out the tactical activities needed to achieve incident
objectives.
4. Which ICS section tracks resources and develops Incident Action Plans?
Answer: Planning Section
Rationale: Planning gathers information, tracks resources, and prepares Incident Action
Plans (IAPs).
5. Which section provides supplies, services, and facilities?
Answer: Logistics Section
Rationale: Logistics supports incident operations with resources, communications,
medical support, and supplies.
,6. Which section monitors costs and procurement?
Answer: Finance/Administration Section
Rationale: Finance/Administration manages contracts, compensation, procurement, and
cost tracking.
7. What does NIMS stand for?
Answer: National Incident Management System
Rationale: NIMS provides a nationwide framework for incident management.
8. Which NIMS characteristic involves using plain language?
Answer: Common Terminology
Rationale: Common terminology reduces confusion between agencies.
9. What is the optimal span of control in ICS?
Answer: 3 to 7 subordinates, ideally 5.
Rationale: Maintaining a manageable span of control improves supervision and efficiency.
10. Who has overall responsibility for managing the incident?
Answer: Incident Commander
Rationale: The Incident Commander is responsible for all incident activities.
11. What document outlines incident objectives and operational activities?
Answer: Incident Action Plan (IAP)
Rationale: The IAP communicates objectives, assignments, and support information.
12. Which ICS principle allows the organization to expand or contract?
Answer: Modular Organization
Rationale: ICS structures can grow or shrink based on incident needs.
13. What is Unified Command?
Answer: A structure that allows multiple agencies to manage an incident together.
Rationale: Unified Command improves coordination among agencies with shared
responsibility.
, 14. Which position serves as the primary contact for media?
Answer: Public Information Officer
Rationale: The PIO provides accurate and timely public information.
15. Which command staff member monitors safety conditions?
Answer: Safety Officer
Rationale: The Safety Officer identifies and mitigates hazards.
16. Which command staff member coordinates with outside agencies?
Answer: Liaison Officer
Rationale: The Liaison Officer serves as the point of contact for assisting agencies.
17. What is the term for personnel assigned to an incident?
Answer: Resources
Rationale: Resources include personnel, equipment, teams, and supplies.
18. What NIMS characteristic ensures personnel know their supervisor?
Answer: Chain of Command and Unity of Command
Rationale: Personnel report to only one supervisor to reduce confusion.
19. What is an operational period?
Answer: A scheduled time frame for executing incident actions.
Rationale: Operational periods organize incident activities into manageable time blocks.
20. Which ICS facility is the primary location for tactical operations?
Answer: Incident Command Post (ICP)
Rationale: The ICP is where command functions are coordinated.
21. Which facility houses resources waiting for assignment?
Answer: Staging Area
Rationale: Staging Areas keep resources available for quick deployment.
22. What is accountability in ICS?
Answer: Tracking personnel and resources during an incident.
PREP QUESTIONS AND ANSWERS WITH
RATIONALES – NIMS, INCIDENT COMMAND
SYSTEM, AND FIVE CORE FUNCTIONS STUDY
GUIDE A+ VERIFIED LATEST VERSION
Questions 1–50
1. What is the primary purpose of the Incident Command System (ICS)?
Answer: To provide a standardized approach to incident management.
Rationale: ICS enables coordinated responses among agencies by using common
terminology, organizational structures, and procedures.
2. Which ICS function is responsible for setting incident objectives?
Answer: Command
Rationale: The Command function establishes objectives, priorities, and overall incident
strategy.
3. Which section is responsible for tactical operations at an incident?
Answer: Operations Section
Rationale: Operations carries out the tactical activities needed to achieve incident
objectives.
4. Which ICS section tracks resources and develops Incident Action Plans?
Answer: Planning Section
Rationale: Planning gathers information, tracks resources, and prepares Incident Action
Plans (IAPs).
5. Which section provides supplies, services, and facilities?
Answer: Logistics Section
Rationale: Logistics supports incident operations with resources, communications,
medical support, and supplies.
,6. Which section monitors costs and procurement?
Answer: Finance/Administration Section
Rationale: Finance/Administration manages contracts, compensation, procurement, and
cost tracking.
7. What does NIMS stand for?
Answer: National Incident Management System
Rationale: NIMS provides a nationwide framework for incident management.
8. Which NIMS characteristic involves using plain language?
Answer: Common Terminology
Rationale: Common terminology reduces confusion between agencies.
9. What is the optimal span of control in ICS?
Answer: 3 to 7 subordinates, ideally 5.
Rationale: Maintaining a manageable span of control improves supervision and efficiency.
10. Who has overall responsibility for managing the incident?
Answer: Incident Commander
Rationale: The Incident Commander is responsible for all incident activities.
11. What document outlines incident objectives and operational activities?
Answer: Incident Action Plan (IAP)
Rationale: The IAP communicates objectives, assignments, and support information.
12. Which ICS principle allows the organization to expand or contract?
Answer: Modular Organization
Rationale: ICS structures can grow or shrink based on incident needs.
13. What is Unified Command?
Answer: A structure that allows multiple agencies to manage an incident together.
Rationale: Unified Command improves coordination among agencies with shared
responsibility.
, 14. Which position serves as the primary contact for media?
Answer: Public Information Officer
Rationale: The PIO provides accurate and timely public information.
15. Which command staff member monitors safety conditions?
Answer: Safety Officer
Rationale: The Safety Officer identifies and mitigates hazards.
16. Which command staff member coordinates with outside agencies?
Answer: Liaison Officer
Rationale: The Liaison Officer serves as the point of contact for assisting agencies.
17. What is the term for personnel assigned to an incident?
Answer: Resources
Rationale: Resources include personnel, equipment, teams, and supplies.
18. What NIMS characteristic ensures personnel know their supervisor?
Answer: Chain of Command and Unity of Command
Rationale: Personnel report to only one supervisor to reduce confusion.
19. What is an operational period?
Answer: A scheduled time frame for executing incident actions.
Rationale: Operational periods organize incident activities into manageable time blocks.
20. Which ICS facility is the primary location for tactical operations?
Answer: Incident Command Post (ICP)
Rationale: The ICP is where command functions are coordinated.
21. Which facility houses resources waiting for assignment?
Answer: Staging Area
Rationale: Staging Areas keep resources available for quick deployment.
22. What is accountability in ICS?
Answer: Tracking personnel and resources during an incident.
