Theory911 Dispatcher Study Guide
Study for the 911 Dispatcher with exam topics, practice questions, a free PDF, video walkthrough and timed mock exam links.
How to study for 911 Dispatcher
- Read the topic list so you know what the exam is likely to cover.
- Answer the free practice questions and read every explanation.
- Download the PDF for offline review.
- Use timed mock exams when your untimed practice feels comfortable.
Topics to review
- Legal powers, authority and use of force
- Patrol, observation and access control
- Emergency response and evacuation
- Report writing and accurate note-taking
Try 911 Dispatcher questions now
Q1According to widely adopted 911 standards (NENA/NFPA 1225), what percentage of 911 calls should be answered within 15 seconds?
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✓ Correct answer: 90%
NENA and NFPA standards call for 90% of 911 calls to be answered within 15 seconds (and 95% within 20 seconds). This benchmark drives PSAP staffing decisions.
Q2What is the single most important first action a call taker performs when answering a 911 line?
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✓ Correct answer: Identify the agency and ask the nature of the emergency
A standard greeting that identifies the PSAP and asks the nature of the emergency ('9-1-1, what is your emergency?') orients the caller immediately and starts information-gathering on the right footing.
Q3Which piece of information is considered the MOST critical to obtain first on any 911 call?
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✓ Correct answer: The location of the emergency
Location is the top priority because if the call drops, responders can still be sent if the address is known. 'Where is the emergency?' is the foundational question.
Q4A caller's ANI/ALI display shows an address, but the caller is on a cell phone. What should the call taker do?
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✓ Correct answer: Verbally verify the caller's actual location
Wireless ALI provides the tower or approximate device location, not necessarily the caller's true position. Always verbally confirm the actual emergency location with the caller.
Q5Why does a call taker confirm the caller's callback number even when ANI displays it automatically?
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✓ Correct answer: So the call can be re-established if it disconnects
Confirming the callback number ensures the call taker can reconnect if the line drops, especially since the caller may be calling on behalf of someone else or from a different line than displayed.
Q6What is the primary advantage of asking open-ended questions early in a 911 call?
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✓ Correct answer: They let the caller describe the situation in their own words
Open-ended questions ('Tell me what happened') elicit a fuller picture and reveal details the call taker might not think to ask, before narrowing with closed questions.
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