ICS 100 (IS-100.C) study All study guides
ICS 100 Practice Test: Introduction to the Incident Command System
43 practice questions on the basics of the Incident Command System: who does what, span of control, unified command and the ICS sections. We wrote them ourselves from FEMA's own NIMS and NRF documents, so you learn the material instead of memorizing an answer list. Practice tests are 25 questions at FEMA's 75% pass mark.
The real test: 25 questions. 19 right (76%) passes.
Here: 43 questions. Our own practice questions, written from FEMA's National Incident Management System (Third Edition, 2017) and National Response Framework (Fourth Edition, 2019), both U.S. government works. Not FEMA's exam questions. Free.
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What's on the test
Topic In the guide
ICS basics 15
Command and the Command Staff 12
The General Staff sections 8
Resources and titles 8
10 sample questions
What are the incident management priorities NIMS names?
A. Notifying the media, then the publicB. Saving lives, stabilizing the incident, and protecting property and the environmentC. Restoring utilities, then reopening roadsD. Protecting property and critical infrastructure first, then saving lives, then stabilizing the incident
Show answer B. Saving lives, stabilizing the incident, and protecting property and the environment
100-1 · ICS basics
What is "unity of command"?
A. All agencies merge into one agencyB. The Incident Commander must be from the federal governmentC. Everyone on scene reports directly to the Incident CommanderD. Each person reports to only one designated supervisor
Show answer D. Each person reports to only one designated supervisor
100-9 · Command and the Command Staff
Which section plans and performs the tactical activities to meet the incident objectives?
A. LogisticsB. PlanningC. Finance/AdministrationD. Operations
Show answer D. Operations
100-18 · The General Staff sections
In ICS, what is a "single resource"?
A. Any resource from a single agencyB. An individual, a piece of equipment and its crew, or a crew or team with an identified work supervisorC. A resource assigned to only one shiftD. One radio channel
Show answer B. An individual, a piece of equipment and its crew, or a crew or team with an identified work supervisor
100-24 · Resources and titles
Which of these is one of the NIMS management characteristics that ICS is built on?
A. Unlimited span of controlB. Management by ObjectivesC. Agency-specific radio codesD. Self-dispatching
Show answer B. Management by Objectives
100-2 · ICS basics
What does "chain of command" mean in ICS?
A. The radio channel planB. A list of phone numbers for elected officialsC. An orderly line of authority within the ranks of the incident organizationD. The order in which agencies arrive on scene, which sets who outranks whom for the rest of the incident
Show answer C. An orderly line of authority within the ranks of the incident organization
100-10 · Command and the Command Staff
Which section collects, evaluates and shares incident information and helps build the IAP?
A. LogisticsB. OperationsC. PlanningD. Finance/Administration
Show answer C. Planning
100-19 · The General Staff sections
What is the difference between a Strike Team and a Task Force?
A. A Strike Team is the same kind and type of resource; a Task Force mixes different kinds or typesB. A Task Force is always federalC. There is no differenceD. A Strike Team is always larger, and a Task Force is a smaller unit made up of only one kind of resource
Show answer A. A Strike Team is the same kind and type of resource; a Task Force mixes different kinds or types
100-25 · Resources and titles
Why does ICS use common terminology?
A. So only certified staff understand the radioB. So each agency can keep its own codes privateC. So diverse organizations can work together across many functions and hazardsD. Because federal law bans abbreviations
Show answer C. So diverse organizations can work together across many functions and hazards
100-3 · ICS basics
When should a Unified Command be used?
A. Only when the federal government takes overB. Never on a single-jurisdiction incident, even when several agencies there share responsibility for itC. When the Incident Commander goes off shiftD. When more than one jurisdiction or agency has incident responsibility, so they can manage together
Show answer D. When more than one jurisdiction or agency has incident responsibility, so they can manage together
100-11 · Command and the Command Staff
Practice all 43 questionsFree. Your progress stays in this browser.
What the study guide does
Short study rounds and flip cards.
A practice test built like the real one: 25 questions, 19 to pass.
Pass Meter: your chance of passing if you sat the test today, worked out from your own answers.
An explanation for every answer.
Questions: our own, written from FEMA's National Incident Management System (2017) and National Response Framework (2019), U.S. government works. Not FEMA's exam questions and not an answer key. © 2026 Headed In LLC. Not affiliated with FEMA. Your progress stays in this browser. Free to use.
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