911 Operator Test Radio Communication Protocols 4

Question 1

What does 'APCO' stand for in the context of public safety communications?

Accepted Answer

Association of Public-Safety Communications Officials

Answer

APCO International (Association of Public-Safety Communications Officials) is the organization that develops standards and training for public safety communications professionals.

Question 2

Which phonetic alphabet letter is used to represent 'W' in the NATO standard?

Accepted Answer

Whiskey

Answer

Whiskey is the NATO phonetic designation for 'W', used universally in public safety and military radio communications.

Question 3

When a supervisor transmits 'Secure the channel,' what action is typically required?

Accepted Answer

Cease non-emergency radio traffic immediately

Answer

Securing the channel means stopping all non-essential transmissions, typically to allow priority or emergency traffic to dominate the channel.

Question 4

What is a 'repeater' in public safety radio communication?

Accepted Answer

A device that receives a weak signal and retransmits it at higher power to extend range

Answer

A repeater receives transmissions on one frequency and simultaneously retransmits them on another at greater power, greatly extending communication range.

Question 5

A dispatcher hears two units transmitting simultaneously causing a 'double' or 'co-channel interference.' What is the best immediate action?

Accepted Answer

Ask one unit to retransmit and request the other to wait

Answer

The dispatcher should prompt one unit to retransmit while the other stands by, resolving the conflict and ensuring both messages are received.

911 Operator Test Practice Test

911 Operator Test Practice Test

911 Operator Test Radio Communication Protocols 4