EAS EAS Wireless Emergency Alerts (WEA)

Question 1

What technology do Wireless Emergency Alerts (WEA) use to broadcast messages to mobile phones?

Accepted Answer

Cell Broadcast Technology (CBT)

Answer

WEA uses Cell Broadcast Technology, which pushes messages simultaneously to all compatible devices within a geographic area without requiring individual addressing.

Question 2

Which federal agencies share joint authority over the Wireless Emergency Alert (WEA) system?

Accepted Answer

FCC and FEMA

Answer

The FCC establishes technical standards and regulations for WEA, while FEMA coordinates alert policy and operates the IPAWS gateway that distributes alerts.

Question 3

What is the maximum character limit for a WEA message on 4G LTE and later networks under current FCC rules?

Accepted Answer

360 characters

Answer

Enhanced WEA rules increased the message character limit to 360 characters for 4G LTE and newer networks, up from the original 90-character limit.

Question 4

Which of the following lists all four official WEA alert categories?

Accepted Answer

Presidential, Imminent Threat, AMBER, and Public Safety Message alerts

Answer

WEA supports exactly four categories: Presidential Alerts, Imminent Threat Alerts (Extreme and Severe), AMBER Alerts, and Public Safety Message Alerts.

Question 5

What distinguishes a WEA message from a regular SMS text message on a compatible mobile device?

Accepted Answer

WEA messages produce a unique attention signal and distinct vibration pattern

Answer

WEA messages produce a distinctive attention tone and a unique vibration cadence to ensure recipients notice and differentiate them from routine text messages.

EAS - Emergency Alert System Test Practice Test

EAS - Emergency Alert System Test Practice Test

EAS EAS Wireless Emergency Alerts (WEA)