Free PSD Radio Communications and Procedures Questions and Answers

Question 1

A neighboring jurisdiction requests mutual aid for a large-scale incident.
Per the National Incident Management System (NIMS), which radio communication practice is most critical for ensuring successful interoperability between the different agencies?

Accepted Answer

Communicating on a designated shared, plain language channel.

Answer

Using agency-specific 10-codes to keep transmissions brief.

Answer

Limiting radio traffic to command staff only.

Answer

Using the APCO phonetic alphabet exclusively for all transmissions.

Question 2

A dispatcher needs to broadcast the license plate '5PETER-GEORGE-721' to a patrol unit. Using the standard APCO phonetic alphabet, how should this be read?

Accepted Answer

"Five Peter George Seven Two One"

Answer

"Five Papa Golf Seven Two One"

Answer

"Five Paul George Seven Two One"

Answer

"Five Peter George Seven Twenty-One"

Question 3

During a radio transmission, a field unit says, 'Control, 1-Adam-12, what is your 20?' What specific information is the unit requesting from the dispatcher?

Accepted Answer

Their location

Answer

The time

Answer

Permission to go off-duty

Answer

The status of their last call

Question 4

Which of the following is the primary reason for a dispatcher to maintain a calm, professional, and clear tone of voice during all radio communications?

Accepted Answer

To ensure messages are understood and reduce stress for responders in the field.

Answer

To fulfill FCC licensing requirements.

Answer

To project authority and control over field units.

Answer

To minimize the emotional impact on callers who may be listening.

Question 5

A dispatcher receives an urgent 'officer in trouble' call. After dispatching backup, what is the most critical subsequent radio procedure?

Accepted Answer

Maintain radio silence on that channel except for traffic directly related to the emergency.

Answer

Resume normal dispatching for other pending calls.

Answer

Place a phone call to the officer's supervisor.

Answer

Broadcast a BOLO (Be On the Look Out) to all surrounding agencies.

Question 6

The term 'keying up' on a radio refers to the action of:

Accepted Answer

Pressing the Push-to-Talk (PTT) button to transmit.

Answer

Turning the radio on at the beginning of a shift.

Answer

Encrypting the radio channel for a sensitive conversation.

Answer

Logging into the computer-aided dispatch (CAD) system.