✅ NIMS ICS 400 – Reviewed Practice
Exam (Original)_ 2025_2026
Advanced ICS Concepts | 2025/2026 Edition | Verified Answers
1. Which statement best describes the purpose of Unified
Command at the ICS-400 level?
A. To assign multiple Operations Section Chiefs
B. To ensure agencies maintain independent authority
C. To provide a single set of incident objectives without giving up jurisdictional responsibility
D. To eliminate the need for a Liaison Officer
Answer: C
2. A major incident involves three states and multiple
federal agencies. What structure is MOST appropriate to
support cross-jurisdictional coordination?
A. Single Command
B. Area Command
C. Emergency Operations Center only
D. A single Operations Section
Answer: B
3. The Operations Section Chief determines that the
incident requires geographically separated branches.
This decision is MOST aligned with which ICS principle?
,A. Modular organization
B. Unity of command
C. Accountability
D. Comprehensive resource management
Answer: A
4. Which situation requires establishment of a Deputy
Incident Commander?
A. Only one jurisdiction has authority
B. The Incident Commander is unfamiliar with ICS
C. The incident is highly complex and spans multiple operational periods
D. There is a need to add Divisions and Groups
Answer: C
5. Which of the following is a key responsibility of the
Planning Section during complex incidents?
A. Approving mutual aid agreements
B. Preparing incident objectives
C. Tracking resources and maintaining situational awareness products
D. Directing air operations
Answer: C
6. During Unified Command, who approves the Incident
Action Plan (IAP)?
A. Planning Section Chief alone
B. Finance Section
C. All members of the Unified Command
D. Operations Section Chief
Answer: C
, 7. What is the primary benefit of establishing an Area
Command?
A. Reduces the need for Unified Command
B. Ensures effective resource allocation among multiple incidents
C. Allows each incident to maintain separate Incident Action Plans
D. Allows all Incident Commanders to step down
Answer: B
8. A rapidly escalating wildfire threatens infrastructure
across multiple counties. Which element of complexity is
MOST significant in this scenario?
A. The number of Divisions
B. Span of control
C. Potential impacts on critical lifelines
D. Daily incident briefings
Answer: C
9. What is the primary purpose of the Command Staff at
advanced incident levels?
A. To assume operational control
B. To support the Incident Commander with safety, information, and liaison functions
C. To merge into the Operations Section
D. To replace the General Staff
Answer: B
10. Which planning document provides long-range
(beyond the current operational period) incident
projections?
Exam (Original)_ 2025_2026
Advanced ICS Concepts | 2025/2026 Edition | Verified Answers
1. Which statement best describes the purpose of Unified
Command at the ICS-400 level?
A. To assign multiple Operations Section Chiefs
B. To ensure agencies maintain independent authority
C. To provide a single set of incident objectives without giving up jurisdictional responsibility
D. To eliminate the need for a Liaison Officer
Answer: C
2. A major incident involves three states and multiple
federal agencies. What structure is MOST appropriate to
support cross-jurisdictional coordination?
A. Single Command
B. Area Command
C. Emergency Operations Center only
D. A single Operations Section
Answer: B
3. The Operations Section Chief determines that the
incident requires geographically separated branches.
This decision is MOST aligned with which ICS principle?
,A. Modular organization
B. Unity of command
C. Accountability
D. Comprehensive resource management
Answer: A
4. Which situation requires establishment of a Deputy
Incident Commander?
A. Only one jurisdiction has authority
B. The Incident Commander is unfamiliar with ICS
C. The incident is highly complex and spans multiple operational periods
D. There is a need to add Divisions and Groups
Answer: C
5. Which of the following is a key responsibility of the
Planning Section during complex incidents?
A. Approving mutual aid agreements
B. Preparing incident objectives
C. Tracking resources and maintaining situational awareness products
D. Directing air operations
Answer: C
6. During Unified Command, who approves the Incident
Action Plan (IAP)?
A. Planning Section Chief alone
B. Finance Section
C. All members of the Unified Command
D. Operations Section Chief
Answer: C
, 7. What is the primary benefit of establishing an Area
Command?
A. Reduces the need for Unified Command
B. Ensures effective resource allocation among multiple incidents
C. Allows each incident to maintain separate Incident Action Plans
D. Allows all Incident Commanders to step down
Answer: B
8. A rapidly escalating wildfire threatens infrastructure
across multiple counties. Which element of complexity is
MOST significant in this scenario?
A. The number of Divisions
B. Span of control
C. Potential impacts on critical lifelines
D. Daily incident briefings
Answer: C
9. What is the primary purpose of the Command Staff at
advanced incident levels?
A. To assume operational control
B. To support the Incident Commander with safety, information, and liaison functions
C. To merge into the Operations Section
D. To replace the General Staff
Answer: B
10. Which planning document provides long-range
(beyond the current operational period) incident
projections?
